2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1998 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
27 * $Id: driver.c 6512 2007-05-24 17:00:24Z ian $
29 * controlling process for the Amanda backup system
33 * XXX possibly modify tape queue to be cognizant of how much room is left on
34 * tape. Probably not effective though, should do this in planner.
48 #include "server_util.h"
49 #include "timestamp.h"
51 #define driver_debug(i, ...) do { \
52 if ((i) <= debug_driver) { \
53 dbprintf(__VA_ARGS__); \
57 #define hold_debug(i, ...) do { \
58 if ((i) <= debug_holding) { \
59 dbprintf(__VA_ARGS__); \
63 static disklist_t waitq; // dle waiting estimate result
64 static disklist_t runq; // dle waiting to be dumped to holding disk
65 static disklist_t directq; // dle waiting to be dumped directly to tape
66 static disklist_t tapeq; // dle on holding disk waiting to be written
68 static disklist_t roomq; // dle waiting for more space on holding disk
69 static int pending_aborts;
70 static disk_t *taper_disk;
71 static int degraded_mode;
72 static off_t reserved_space;
73 static off_t total_disksize;
74 static char *dumper_program;
75 static char *chunker_program;
76 static int inparallel;
77 static int nodump = 0;
78 static off_t tape_length = (off_t)0;
79 static off_t tape_left = (off_t)0;
80 static int current_tape = 0;
81 static int conf_taperalgo;
82 static int conf_runtapes;
83 static time_t sleep_time;
84 static int idle_reason;
85 static char *driver_timestamp;
86 static char *hd_driver_timestamp;
87 static am_host_t *flushhost = NULL;
88 static int need_degraded=0;
89 static holdalloc_t *holdalloc;
90 static int num_holdalloc;
91 static event_handle_t *dumpers_ev_time = NULL;
92 static event_handle_t *schedule_ev_read = NULL;
93 static int conf_flush_threshold_dumped;
94 static int conf_flush_threshold_scheduled;
95 static int conf_taperflush;
96 static off_t flush_threshold_dumped;
97 static off_t flush_threshold_scheduled;
98 static off_t taperflush;
99 static int schedule_done; // 1 if we don't wait for a
100 // schedule from the planner
101 static int force_flush; // All dump are terminated, we
102 // must now respect taper_flush
104 static int wait_children(int count);
105 static void wait_for_children(void);
106 static void allocate_bandwidth(netif_t *ip, unsigned long kps);
107 static int assign_holdingdisk(assignedhd_t **holdp, disk_t *diskp);
108 static void adjust_diskspace(disk_t *diskp, cmd_t cmd);
109 static void delete_diskspace(disk_t *diskp);
110 static assignedhd_t **build_diskspace(char *destname);
111 static int client_constrained(disk_t *dp);
112 static void deallocate_bandwidth(netif_t *ip, unsigned long kps);
113 static void dump_schedule(disklist_t *qp, char *str);
114 static void dump_to_tape(disk_t *dp);
115 static assignedhd_t **find_diskspace(off_t size, int *cur_idle,
116 assignedhd_t *preferred);
117 static unsigned long free_kps(netif_t *ip);
118 static off_t free_space(void);
119 static void dumper_chunker_result(disk_t *dp);
120 static void dumper_taper_result(disk_t *dp);
121 static void file_taper_result(disk_t *dp);
122 static void handle_dumper_result(void *);
123 static void handle_chunker_result(void *);
124 static void handle_dumpers_time(void *);
125 static void handle_taper_result(void *);
127 static void holdingdisk_state(char *time_str);
128 static dumper_t *idle_dumper(void);
129 static void interface_state(char *time_str);
130 static int queue_length(disklist_t q);
131 static disklist_t read_flush(void);
132 static void read_schedule(void *cookie);
133 static void short_dump_state(void);
134 static void startaflush(void);
135 static void start_degraded_mode(disklist_t *queuep);
136 static void start_some_dumps(disklist_t *rq);
137 static void continue_port_dumps(void);
138 static void update_failed_dump_to_tape(disk_t *);
141 TAPE_ACTION_NO_ACTION = 0,
142 TAPE_ACTION_NEW_TAPE = (1 << 0),
143 TAPE_ACTION_NO_NEW_TAPE = (1 << 1),
144 TAPE_ACTION_START_A_FLUSH = (1 << 2)
147 static TapeAction tape_action(char **why_no_new_tape);
149 static const char *idle_strings[] = {
152 #define IDLE_NO_DUMPERS 1
154 #define IDLE_START_WAIT 2
156 #define IDLE_NO_HOLD 3
158 #define IDLE_CLIENT_CONSTRAINED 4
159 T_("client-constrained"),
160 #define IDLE_NO_BANDWIDTH 5
162 #define IDLE_NO_DISKSPACE 6
176 struct fs_usage fsusage;
178 unsigned long reserve = 100;
182 char **result_argv = NULL;
189 config_overwrites_t *cfg_ovr = NULL;
190 char *cfg_opt = NULL;
191 holdalloc_t *ha, *ha_last;
194 * Configure program for internationalization:
195 * 1) Only set the message locale for now.
196 * 2) Set textdomain for all amanda related programs to "amanda"
197 * We don't want to be forced to support dozens of message catalogs.
199 setlocale(LC_MESSAGES, "C");
200 textdomain("amanda");
204 setvbuf(stdout, (char *)NULL, (int)_IOLBF, 0);
205 setvbuf(stderr, (char *)NULL, (int)_IOLBF, 0);
209 dbopen(DBG_SUBDIR_SERVER);
211 atexit(wait_for_children);
213 /* Don't die when child closes pipe */
214 signal(SIGPIPE, SIG_IGN);
216 erroutput_type = (ERR_AMANDALOG|ERR_INTERACTIVE);
217 set_logerror(logerror);
221 cfg_ovr = extract_commandline_config_overwrites(&argc, &argv);
225 config_init(CONFIG_INIT_EXPLICIT_NAME | CONFIG_INIT_USE_CWD, cfg_opt);
226 apply_config_overwrites(cfg_ovr);
228 conf_diskfile = config_dir_relative(getconf_str(CNF_DISKFILE));
229 read_diskfile(conf_diskfile, &origq);
230 amfree(conf_diskfile);
232 if (config_errors(NULL) >= CFGERR_WARNINGS) {
233 config_print_errors();
234 if (config_errors(NULL) >= CFGERR_ERRORS) {
235 g_critical(_("errors processing config file"));
239 log_add(L_INFO, "%s pid %ld", get_pname(), (long)getpid());
240 g_printf(_("%s: pid %ld executable %s version %s\n"),
241 get_pname(), (long) getpid(), argv[0], version());
244 if(strncmp(argv[2], "nodump", 6) == 0) {
249 safe_cd(); /* do this *after* config_init */
251 check_running_as(RUNNING_AS_DUMPUSER);
253 dbrename(get_config_name(), DBG_SUBDIR_SERVER);
255 amfree(driver_timestamp);
256 /* read timestamp from stdin */
257 while ((line = agets(stdin)) != NULL) {
262 if ( line == NULL ) {
263 error(_("Did not get DATE line from planner"));
266 driver_timestamp = alloc(15);
267 strncpy(driver_timestamp, &line[5], 14);
268 driver_timestamp[14] = '\0';
270 log_add(L_START,_("date %s"), driver_timestamp);
272 gethostname(hostname, SIZEOF(hostname));
273 log_add(L_STATS,_("hostname %s"), hostname);
275 /* check that we don't do many dump in a day and usetimestamps is off */
276 if(strlen(driver_timestamp) == 8) {
278 char *conf_logdir = getconf_str(CNF_LOGDIR);
279 char *logfile = vstralloc(conf_logdir, "/log.",
280 driver_timestamp, ".0", NULL);
281 char *oldlogfile = vstralloc(conf_logdir, "/oldlog/log.",
282 driver_timestamp, ".0", NULL);
283 if(access(logfile, F_OK) == 0 || access(oldlogfile, F_OK) == 0) {
284 log_add(L_WARNING, _("WARNING: This is not the first amdump run today. Enable the usetimestamps option in the configuration file if you want to run amdump more than once per calendar day."));
289 hd_driver_timestamp = get_timestamp_from_time(0);
292 hd_driver_timestamp = stralloc(driver_timestamp);
295 taper_program = vstralloc(amlibexecdir, "/", "taper", versionsuffix(), NULL);
296 dumper_program = vstralloc(amlibexecdir, "/", "dumper", versionsuffix(),
298 chunker_program = vstralloc(amlibexecdir, "/", "chunker", versionsuffix(),
301 conf_taperalgo = getconf_taperalgo(CNF_TAPERALGO);
302 conf_tapetype = getconf_str(CNF_TAPETYPE);
303 conf_runtapes = getconf_int(CNF_RUNTAPES);
304 tape = lookup_tapetype(conf_tapetype);
305 tape_length = tapetype_get_length(tape);
306 g_printf("driver: tape size %lld\n", (long long)tape_length);
307 conf_flush_threshold_dumped = getconf_int(CNF_FLUSH_THRESHOLD_DUMPED);
308 conf_flush_threshold_scheduled = getconf_int(CNF_FLUSH_THRESHOLD_SCHEDULED);
309 conf_taperflush = getconf_int(CNF_TAPERFLUSH);
311 flush_threshold_dumped = (conf_flush_threshold_dumped * tape_length) / 100;
312 flush_threshold_scheduled = (conf_flush_threshold_scheduled * tape_length) / 100;
313 taperflush = (conf_taperflush *tape_length) / 100;
315 driver_debug(1, _("flush_threshold_dumped: %lld\n"), (long long)flush_threshold_dumped);
316 driver_debug(1, _("flush_threshold_scheduled: %lld\n"), (long long)flush_threshold_scheduled);
317 driver_debug(1, _("taperflush: %lld\n"), (long long)taperflush);
319 /* set up any configuration-dependent variables */
321 inparallel = getconf_int(CNF_INPARALLEL);
323 reserve = (unsigned long)getconf_int(CNF_RESERVE);
325 total_disksize = (off_t)0;
328 for(hdp = getconf_holdingdisks(), dsk = 0; hdp != NULL; hdp = holdingdisk_next(hdp), dsk++) {
329 ha = alloc(SIZEOF(holdalloc_t));
332 /* link the list in the same order as getconf_holdingdisks's results */
341 ha->allocated_dumpers = 0;
342 ha->allocated_space = (off_t)0;
343 ha->disksize = holdingdisk_get_disksize(hdp);
346 if(get_fs_usage(holdingdisk_get_diskdir(hdp), NULL, &fsusage) == -1
347 || access(holdingdisk_get_diskdir(hdp), W_OK) == -1) {
348 log_add(L_WARNING, _("WARNING: ignoring holding disk %s: %s\n"),
349 holdingdisk_get_diskdir(hdp), strerror(errno));
354 /* do the division first to avoid potential integer overflow */
355 if (fsusage.fsu_bavail_top_bit_set)
358 kb_avail = fsusage.fsu_bavail / 1024 * fsusage.fsu_blocksize;
360 if(ha->disksize > (off_t)0) {
361 if(ha->disksize > kb_avail) {
363 _("WARNING: %s: %lld KB requested, "
364 "but only %lld KB available."),
365 holdingdisk_get_diskdir(hdp),
366 (long long)ha->disksize,
367 (long long)kb_avail);
368 ha->disksize = kb_avail;
371 /* ha->disksize is negative; use all but that amount */
372 else if(kb_avail < -ha->disksize) {
374 _("WARNING: %s: not %lld KB free."),
375 holdingdisk_get_diskdir(hdp),
376 (long long)-ha->disksize);
377 ha->disksize = (off_t)0;
381 ha->disksize += kb_avail;
383 g_printf(_("driver: adding holding disk %d dir %s size %lld chunksize %lld\n"),
384 dsk, holdingdisk_get_diskdir(hdp),
385 (long long)ha->disksize,
386 (long long)(holdingdisk_get_chunksize(hdp)));
388 newdir = newvstralloc(newdir,
389 holdingdisk_get_diskdir(hdp), "/", hd_driver_timestamp,
391 if(!mkholdingdir(newdir)) {
392 ha->disksize = (off_t)0;
394 total_disksize += ha->disksize;
397 reserved_space = total_disksize * (off_t)(reserve / 100);
399 g_printf(_("reserving %lld out of %lld for degraded-mode dumps\n"),
400 (long long)reserved_space, (long long)free_space());
404 if(inparallel > MAX_DUMPERS) inparallel = MAX_DUMPERS;
406 /* taper takes a while to get going, so start it up right away */
409 if(conf_runtapes > 0) {
410 startup_tape_process(taper_program);
411 taper_cmd(START_TAPER, driver_timestamp, NULL, 0, NULL);
414 /* fire up the dumpers now while we are waiting */
415 if(!nodump) startup_dump_processes(dumper_program, inparallel, driver_timestamp);
418 * Read schedule from stdin. Usually, this is a pipe from planner,
419 * so the effect is that we wait here for the planner to
420 * finish, but meanwhile the taper is rewinding the tape, reading
421 * the label, checking it, writing a new label and all that jazz
422 * in parallel with the planner.
430 taper_state = TAPER_STATE_DEFAULT;
431 tapeq = read_flush();
433 roomq.head = roomq.tail = NULL;
435 log_add(L_STATS, _("startup time %s"), walltime_str(curclock()));
437 g_printf(_("driver: start time %s inparallel %d bandwidth %lu diskspace %lld "), walltime_str(curclock()), inparallel,
438 free_kps(NULL), (long long)free_space());
439 g_printf(_(" dir %s datestamp %s driver: drain-ends tapeq %s big-dumpers %s\n"),
440 "OBSOLETE", driver_timestamp, taperalgo2str(conf_taperalgo),
441 getconf_str(CNF_DUMPORDER));
444 /* ok, planner is done, now lets see if the tape is ready */
446 if (conf_runtapes > 0) {
447 cmd = getresult(taper, 1, &result_argc, &result_argv);
448 if (cmd != TAPER_OK) {
449 /* no tape, go into degraded mode: dump to holding disk */
456 tape_left = tape_length;
458 amfree(taper_input_error);
459 amfree(taper_tape_error);
461 taper_ev_read = NULL;
463 schedule_done = nodump;
466 if(!need_degraded) startaflush();
469 schedule_ev_read = event_register((event_id_t)0, EV_READFD, read_schedule, NULL);
476 /* mv runq to directq */
477 while (!empty(runq)) {
478 diskp = dequeue_disk(&runq);
479 headqueue_disk(&directq, diskp);
482 /* handle any remaining dumps by dumping directly to tape, if possible */
483 while(!empty(directq) && taper > 0) {
484 time_t sleep_time = 100000000;
485 disk_t *sleep_diskp = NULL;
486 time_t now = time(0);
488 /* Find one we can do immediately or the sonner */
489 for (diskp = directq.head; diskp != NULL; diskp = diskp->next) {
490 if (diskp->to_holdingdisk == HOLD_REQUIRED ||
494 } else if (diskp->host->start_t - now < sleep_time &&
495 diskp->start_t -now < sleep_time) {
496 if (diskp->host->start_t > diskp->start_t)
497 sleep_time = diskp->host->start_t - now;
499 sleep_time = diskp->start_t - now;
506 remove_disk(&directq, diskp);
508 if (diskp->to_holdingdisk == HOLD_REQUIRED) {
509 char *qname = quote_string(diskp->name);
510 log_add(L_FAIL, "%s %s %s %d [%s]",
511 diskp->host->hostname, qname, sched(diskp)->datestamp,
513 _("can't dump required holdingdisk"));
516 else if (!degraded_mode) {
517 taper_state |= TAPER_STATE_DUMP_TO_TAPE;
520 taper_state &= ~TAPER_STATE_DUMP_TO_TAPE;
523 char *qname = quote_string(diskp->name);
524 log_add(L_FAIL, "%s %s %s %d [%s]",
525 diskp->host->hostname, qname, sched(diskp)->datestamp,
528 _("can't do degraded dump without holding disk") :
529 diskp->to_holdingdisk != HOLD_NEVER ?
530 _("out of holding space in degraded mode") :
531 _("can't dump 'holdingdisk never' dle in degraded mode"));
536 /* fill up the tape or start new one for taperflush */
540 short_dump_state(); /* for amstatus */
542 g_printf(_("driver: QUITTING time %s telling children to quit\n"),
543 walltime_str(curclock()));
547 for(dumper = dmptable; dumper < dmptable + inparallel; dumper++) {
549 dumper_cmd(dumper, QUIT, NULL, NULL);
554 taper_cmd(QUIT, NULL, NULL, 0, NULL);
557 /* wait for all to die */
561 holding_cleanup(NULL, NULL);
565 check_unfree_serial();
566 g_printf(_("driver: FINISHED time %s\n"), walltime_str(curclock()));
568 log_add(L_FINISH,_("date %s time %s"), driver_timestamp, walltime_str(curclock()));
569 log_add(L_INFO, "pid-done %ld", (long)getpid());
570 amfree(driver_timestamp);
572 amfree(dumper_program);
573 amfree(taper_program);
575 g_strfreev(result_argv);
582 /* sleep up to count seconds, and wait for terminating child process */
583 /* if sleep is negative, this function will not timeout */
584 /* exit once all child process are finished or the timout expired */
585 /* return 0 if no more children to wait */
586 /* return 1 if some children are still alive */
588 wait_children(int count)
600 pid = waitpid((pid_t)-1, &retstat, WNOHANG);
604 if (! WIFEXITED(retstat)) {
606 code = WTERMSIG(retstat);
607 } else if (WEXITSTATUS(retstat) != 0) {
609 code = WEXITSTATUS(retstat);
612 for (dumper = dmptable; dumper < dmptable + inparallel;
614 if (pid == dumper->pid) {
615 who = stralloc(dumper->name);
619 if (dumper->chunker && pid == dumper->chunker->pid) {
620 who = stralloc(dumper->chunker->name);
621 dumper->chunker->pid = -1;
625 if (who == NULL && pid == taper_pid) {
626 who = stralloc("taper");
629 if(what != NULL && who == NULL) {
630 who = stralloc("unknown");
633 log_add(L_WARNING, _("%s pid %u exited with %s %d\n"), who,
634 (unsigned)pid, what, code);
635 g_printf(_("driver: %s pid %u exited with %s %d\n"), who,
636 (unsigned)pid, what, code);
640 } while (pid > 0 || wait_errno == EINTR);
645 } while ((errno != ECHILD) && (count != 0));
646 return (errno != ECHILD);
650 kill_children(int signal)
655 for(dumper = dmptable; dumper < dmptable + inparallel; dumper++) {
656 if (!dumper->down && dumper->pid > 1) {
657 g_printf(_("driver: sending signal %d to %s pid %u\n"), signal,
658 dumper->name, (unsigned)dumper->pid);
659 if (kill(dumper->pid, signal) == -1 && errno == ESRCH) {
661 dumper->chunker->pid = 0;
663 if (dumper->chunker && dumper->chunker->pid > 1) {
664 g_printf(_("driver: sending signal %d to %s pid %u\n"), signal,
665 dumper->chunker->name,
666 (unsigned)dumper->chunker->pid);
667 if (kill(dumper->chunker->pid, signal) == -1 &&
669 dumper->chunker->pid = 0;
676 g_printf(_("driver: sending signal %d to %s pid %u\n"), signal,
677 "taper", (unsigned)taper_pid);
678 if (kill(taper_pid, signal) == -1 && errno == ESRCH)
684 wait_for_children(void)
689 for(dumper = dmptable; dumper < dmptable + inparallel; dumper++) {
690 if (dumper->pid > 1 && dumper->fd >= 0) {
691 dumper_cmd(dumper, QUIT, NULL, NULL);
692 if (dumper->chunker && dumper->chunker->pid > 1 &&
693 dumper->chunker->fd >= 0)
694 chunker_cmd(dumper->chunker, QUIT, NULL, NULL);
699 if(taper_pid > 1 && taper > 0) {
700 taper_cmd(QUIT, NULL, NULL, 0, NULL);
703 if(wait_children(60) == 0)
706 kill_children(SIGHUP);
707 if(wait_children(60) == 0)
710 kill_children(SIGKILL);
711 if(wait_children(-1) == 0)
724 TapeAction result_tape_action;
725 char *why_no_new_tape;
727 result_tape_action = tape_action(&why_no_new_tape);
729 if (result_tape_action & TAPE_ACTION_NEW_TAPE) {
730 taper_state &= ~TAPER_STATE_WAIT_FOR_TAPE;
731 taper_cmd(NEW_TAPE, NULL, NULL, 0, NULL);
732 } else if (result_tape_action & TAPE_ACTION_NO_NEW_TAPE) {
733 taper_state &= ~TAPER_STATE_WAIT_FOR_TAPE;
734 taper_cmd(NO_NEW_TAPE, why_no_new_tape, NULL, 0, NULL);
735 start_degraded_mode(&runq);
738 if (!degraded_mode && !taper_busy && !empty(tapeq) &&
739 (result_tape_action & TAPE_ACTION_START_A_FLUSH)) {
741 datestamp = sched(tapeq.head)->datestamp;
742 switch(conf_taperalgo) {
744 dp = dequeue_disk(&tapeq);
748 while (fit != NULL) {
749 extra_tapes = (fit->tape_splitsize > (off_t)0) ?
750 conf_runtapes - current_tape : 0;
751 if(sched(fit)->act_size <= (tape_left +
752 tape_length * (off_t)extra_tapes) &&
753 strcmp(sched(fit)->datestamp, datestamp) <= 0) {
761 if(dp) remove_disk(&tapeq, dp);
764 fit = dp = tapeq.head;
765 while (fit != NULL) {
766 if(sched(fit)->act_size > sched(dp)->act_size &&
767 strcmp(sched(fit)->datestamp, datestamp) <= 0) {
772 if(dp) remove_disk(&tapeq, dp);
774 case ALGO_LARGESTFIT:
776 while (fit != NULL) {
777 extra_tapes = (fit->tape_splitsize > (off_t)0) ?
778 conf_runtapes - current_tape : 0;
779 if(sched(fit)->act_size <=
780 (tape_left + tape_length * (off_t)extra_tapes) &&
781 (!dp || sched(fit)->act_size > sched(dp)->act_size) &&
782 strcmp(sched(fit)->datestamp, datestamp) <= 0) {
787 if(dp) remove_disk(&tapeq, dp);
793 remove_disk(&tapeq, dp);
796 if(!dp) { /* ALGO_SMALLEST, or default if nothing fit. */
797 if(conf_taperalgo != ALGO_SMALLEST) {
799 _("driver: startaflush: Using SMALLEST because nothing fit\n"));
801 fit = dp = tapeq.head;
802 while (fit != NULL) {
803 if(sched(fit)->act_size < sched(dp)->act_size &&
804 strcmp(sched(fit)->datestamp, datestamp) <= 0) {
809 if(dp) remove_disk(&tapeq, dp);
811 if(taper_ev_read == NULL) {
812 taper_ev_read = event_register((event_id_t)taper, EV_READFD,
813 handle_taper_result, NULL);
818 amfree(taper_input_error);
819 amfree(taper_tape_error);
820 taper_result = LAST_TOK;
821 taper_sendresult = 0;
822 taper_first_label = NULL;
824 taper_state &= ~TAPER_STATE_DUMP_TO_TAPE;
826 qname = quote_string(dp->name);
827 taper_cmd(FILE_WRITE, dp, sched(dp)->destname, sched(dp)->level,
828 sched(dp)->datestamp);
829 g_fprintf(stderr,_("driver: startaflush: %s %s %s %lld %lld\n"),
830 taperalgo2str(conf_taperalgo), dp->host->hostname, qname,
831 (long long)sched(taper_disk)->act_size,
832 (long long)tape_left);
833 if(sched(dp)->act_size <= tape_left)
834 tape_left -= sched(dp)->act_size;
836 tape_left = (off_t)0;
839 error(_("FATAL: Taper marked busy and no work found."));
843 } else if(!taper_busy && taper_ev_read != NULL) {
844 event_release(taper_ev_read);
845 taper_ev_read = NULL;
855 /* first, check if host is too busy */
857 if(dp->host->inprogress >= dp->host->maxdumps) {
861 /* next, check conflict with other dumps on same spindle */
863 if(dp->spindle == -1) { /* but spindle -1 never conflicts by def. */
867 for(dp2 = dp->host->disks; dp2 != NULL; dp2 = dp2->hostnext)
868 if(dp2->inprogress && dp2->spindle == dp->spindle) {
880 disk_t *diskp, *delayed_diskp, *diskp_accept;
882 assignedhd_t **holdp=NULL, **holdp_accept;
883 const time_t now = time(NULL);
891 int busy_dumpers = 0;
893 idle_reason = IDLE_NO_DUMPERS;
896 if(dumpers_ev_time != NULL) {
897 event_release(dumpers_ev_time);
898 dumpers_ev_time = NULL;
901 for(dumper = dmptable; dumper < (dmptable+inparallel); dumper++) {
907 for (dumper = dmptable; dumper < dmptable+inparallel; dumper++) {
909 if( dumper->busy || dumper->down) {
913 if (dumper->ev_read != NULL) {
914 event_release(dumper->ev_read);
915 dumper->ev_read = NULL;
919 * A potential problem with starting from the bottom of the dump time
920 * distribution is that a slave host will have both one of the shortest
921 * and one of the longest disks, so starting its shortest disk first will
922 * tie up the host and eliminate its longest disk from consideration the
923 * first pass through. This could cause a big delay in starting that long
924 * disk, which could drag out the whole night's dumps.
926 * While starting from the top of the dump time distribution solves the
927 * above problem, this turns out to be a bad idea, because the big dumps
928 * will almost certainly pack the holding disk completely, leaving no
929 * room for even one small dump to start. This ends up shutting out the
930 * small-end dumpers completely (they stay idle).
932 * The introduction of multiple simultaneous dumps to one host alleviates
933 * the biggest&smallest dumps problem: both can be started at the
939 delayed_diskp = NULL;
943 dumporder = getconf_str(CNF_DUMPORDER);
944 if(strlen(dumporder) > (size_t)(dumper-dmptable)) {
945 dumptype = dumporder[dumper-dmptable];
948 if(dumper-dmptable < 3)
954 for(diskp = rq->head; diskp != NULL; diskp = diskp->next) {
955 assert(diskp->host != NULL && sched(diskp) != NULL);
957 if (diskp->host->start_t > now) {
958 cur_idle = max(cur_idle, IDLE_START_WAIT);
959 if (delayed_diskp == NULL || sleep_time > diskp->host->start_t) {
960 delayed_diskp = diskp;
961 sleep_time = diskp->host->start_t;
963 } else if(diskp->start_t > now) {
964 cur_idle = max(cur_idle, IDLE_START_WAIT);
965 if (delayed_diskp == NULL || sleep_time > diskp->start_t) {
966 delayed_diskp = diskp;
967 sleep_time = diskp->start_t;
969 } else if (diskp->host->netif->curusage > 0 &&
970 sched(diskp)->est_kps > free_kps(diskp->host->netif)) {
971 cur_idle = max(cur_idle, IDLE_NO_BANDWIDTH);
972 } else if(sched(diskp)->no_space) {
973 cur_idle = max(cur_idle, IDLE_NO_DISKSPACE);
974 } else if (diskp->to_holdingdisk == HOLD_NEVER) {
975 cur_idle = max(cur_idle, IDLE_NO_HOLD);
977 find_diskspace(sched(diskp)->est_size, &cur_idle, NULL)) == NULL) {
978 cur_idle = max(cur_idle, IDLE_NO_DISKSPACE);
979 if (empty(tapeq) && busy_dumpers == 0) {
980 remove_disk(rq, diskp);
981 enqueue_disk(&directq, diskp);
983 } else if (client_constrained(diskp)) {
984 free_assignedhd(holdp);
985 cur_idle = max(cur_idle, IDLE_CLIENT_CONSTRAINED);
988 /* disk fits, dump it */
989 int accept = !diskp_accept;
992 case 's': accept = (sched(diskp)->est_size < sched(diskp_accept)->est_size);
994 case 'S': accept = (sched(diskp)->est_size > sched(diskp_accept)->est_size);
996 case 't': accept = (sched(diskp)->est_time < sched(diskp_accept)->est_time);
998 case 'T': accept = (sched(diskp)->est_time > sched(diskp_accept)->est_time);
1000 case 'b': accept = (sched(diskp)->est_kps < sched(diskp_accept)->est_kps);
1002 case 'B': accept = (sched(diskp)->est_kps > sched(diskp_accept)->est_kps);
1004 default: log_add(L_WARNING, _("Unknown dumporder character \'%c\', using 's'.\n"),
1006 accept = (sched(diskp)->est_size < sched(diskp_accept)->est_size);
1011 if( !diskp_accept || !degraded_mode || diskp->priority >= diskp_accept->priority) {
1012 if(holdp_accept) free_assignedhd(holdp_accept);
1013 diskp_accept = diskp;
1014 holdp_accept = holdp;
1017 free_assignedhd(holdp);
1021 free_assignedhd(holdp);
1026 diskp = diskp_accept;
1027 holdp = holdp_accept;
1029 idle_reason = max(idle_reason, cur_idle);
1032 * If we have no disk at this point, and there are disks that
1033 * are delayed, then schedule a time event to call this dumper
1034 * with the disk with the shortest delay.
1036 if (diskp == NULL && delayed_diskp != NULL) {
1037 assert(sleep_time > now);
1039 dumpers_ev_time = event_register((event_id_t)sleep_time, EV_TIME,
1040 handle_dumpers_time, &runq);
1042 } else if (diskp != NULL) {
1043 sched(diskp)->act_size = (off_t)0;
1044 allocate_bandwidth(diskp->host->netif, sched(diskp)->est_kps);
1045 sched(diskp)->activehd = assign_holdingdisk(holdp, diskp);
1047 sched(diskp)->destname = newstralloc(sched(diskp)->destname,
1048 sched(diskp)->holdp[0]->destname);
1049 diskp->host->inprogress++; /* host is now busy */
1050 diskp->inprogress = 1;
1051 sched(diskp)->dumper = dumper;
1052 sched(diskp)->timestamp = now;
1054 dumper->busy = 1; /* dumper is now busy */
1055 dumper->dp = diskp; /* link disk to dumper */
1056 remove_disk(rq, diskp); /* take it off the run queue */
1058 sched(diskp)->origsize = (off_t)-1;
1059 sched(diskp)->dumpsize = (off_t)-1;
1060 sched(diskp)->dumptime = (time_t)0;
1061 sched(diskp)->tapetime = (time_t)0;
1062 chunker = dumper->chunker;
1063 chunker->result = LAST_TOK;
1064 dumper->result = LAST_TOK;
1065 startup_chunk_process(chunker,chunker_program);
1066 chunker_cmd(chunker, START, NULL, driver_timestamp);
1067 chunker->dumper = dumper;
1068 chunker_cmd(chunker, PORT_WRITE, diskp, NULL);
1069 cmd = getresult(chunker->fd, 1, &result_argc, &result_argv);
1071 assignedhd_t **h=NULL;
1073 char *qname = quote_string(diskp->name);
1075 g_printf(_("driver: did not get PORT from %s for %s:%s\n"),
1076 chunker->name, diskp->host->hostname, qname);
1080 deallocate_bandwidth(diskp->host->netif, sched(diskp)->est_kps);
1081 h = sched(diskp)->holdp;
1082 activehd = sched(diskp)->activehd;
1083 h[activehd]->used = 0;
1084 h[activehd]->disk->allocated_dumpers--;
1085 adjust_diskspace(diskp, DONE);
1086 delete_diskspace(diskp);
1087 diskp->host->inprogress--;
1088 diskp->inprogress = 0;
1089 sched(diskp)->dumper = NULL;
1092 sched(diskp)->dump_attempted++;
1093 free_serial_dp(diskp);
1094 if(sched(diskp)->dump_attempted < 2)
1095 enqueue_disk(rq, diskp);
1098 dumper->ev_read = event_register((event_id_t)dumper->fd, EV_READFD,
1099 handle_dumper_result, dumper);
1100 chunker->ev_read = event_register((event_id_t)chunker->fd, EV_READFD,
1101 handle_chunker_result, chunker);
1102 dumper->output_port = atoi(result_argv[1]);
1104 if (diskp->host->pre_script == 0) {
1105 for (dp=diskp->host->disks; dp != NULL; dp = dp->hostnext) {
1106 run_server_scripts(EXECUTE_ON_PRE_HOST_BACKUP,
1107 get_config_name(), dp, -1);
1109 diskp->host->pre_script = 1;
1111 run_server_scripts(EXECUTE_ON_PRE_DLE_BACKUP,
1112 get_config_name(), diskp,
1113 sched(diskp)->level);
1114 dumper_cmd(dumper, PORT_DUMP, diskp, NULL);
1116 diskp->host->start_t = now + 15;
1119 g_strfreev(result_argv);
1126 * This gets called when a dumper is delayed for some reason. It may
1127 * be because a disk has a delayed start, or amanda is constrained
1128 * by network or disk limits.
1132 handle_dumpers_time(
1135 disklist_t *runq = cookie;
1136 event_release(dumpers_ev_time);
1137 dumpers_ev_time = NULL;
1138 start_some_dumps(runq);
1149 g_printf(_("dump of driver schedule %s:\n--------\n"), str);
1151 for(dp = qp->head; dp != NULL; dp = dp->next) {
1152 qname = quote_string(dp->name);
1153 g_printf(" %-20s %-25s lv %d t %5lu s %lld p %d\n",
1154 dp->host->hostname, qname, sched(dp)->level,
1155 sched(dp)->est_time,
1156 (long long)sched(dp)->est_size, sched(dp)->priority);
1159 g_printf("--------\n");
1163 start_degraded_mode(
1164 /*@keep@*/ disklist_t *queuep)
1168 off_t est_full_size;
1171 newq.head = newq.tail = 0;
1173 dump_schedule(queuep, _("before start degraded mode"));
1175 est_full_size = (off_t)0;
1176 while(!empty(*queuep)) {
1177 dp = dequeue_disk(queuep);
1179 qname = quote_string(dp->name);
1180 if(sched(dp)->level != 0)
1181 /* go ahead and do the disk as-is */
1182 enqueue_disk(&newq, dp);
1184 if (reserved_space + est_full_size + sched(dp)->est_size
1185 <= total_disksize) {
1186 enqueue_disk(&newq, dp);
1187 est_full_size += sched(dp)->est_size;
1189 else if(sched(dp)->degr_level != -1) {
1190 sched(dp)->level = sched(dp)->degr_level;
1191 sched(dp)->dumpdate = sched(dp)->degr_dumpdate;
1192 sched(dp)->est_nsize = sched(dp)->degr_nsize;
1193 sched(dp)->est_csize = sched(dp)->degr_csize;
1194 sched(dp)->est_time = sched(dp)->degr_time;
1195 sched(dp)->est_kps = sched(dp)->degr_kps;
1196 enqueue_disk(&newq, dp);
1199 log_add(L_FAIL, "%s %s %s %d [%s]",
1200 dp->host->hostname, qname, sched(dp)->datestamp,
1201 sched(dp)->level, sched(dp)->degr_mesg);
1207 /*@i@*/ *queuep = newq;
1210 dump_schedule(queuep, _("after start degraded mode"));
1215 continue_port_dumps(void)
1219 int active_dumpers=0, busy_dumpers=0, i;
1222 /* First we try to grant diskspace to some dumps waiting for it. */
1223 for( dp = roomq.head; dp; dp = ndp ) {
1225 /* find last holdingdisk used by this dump */
1226 for( i = 0, h = sched(dp)->holdp; h[i+1]; i++ ) {
1227 (void)h; /* Quiet lint */
1229 /* find more space */
1230 h = find_diskspace( sched(dp)->est_size - sched(dp)->act_size,
1231 &active_dumpers, h[i] );
1233 for(dumper = dmptable; dumper < dmptable + inparallel &&
1234 dumper->dp != dp; dumper++) {
1235 (void)dp; /* Quiet lint */
1237 assert( dumper < dmptable + inparallel );
1238 sched(dp)->activehd = assign_holdingdisk( h, dp );
1239 chunker_cmd( dumper->chunker, CONTINUE, dp, NULL );
1241 remove_disk( &roomq, dp );
1245 /* So for some disks there is less holding diskspace available than
1246 * was asked for. Possible reasons are
1247 * a) diskspace has been allocated for other dumps which are
1248 * still running or already being written to tape
1249 * b) all other dumps have been suspended due to lack of diskspace
1250 * c) this dump doesn't fit on all the holding disks
1251 * Case a) is not a problem. We just wait for the diskspace to
1252 * be freed by moving the current disk to a queue.
1253 * If case b) occurs, we have a deadlock situation. We select
1254 * a dump from the queue to be aborted and abort it. It will
1255 * be retried later dumping to disk.
1256 * If case c) is detected, the dump is aborted. Next time
1257 * it will be dumped directly to tape. Actually, case c is a special
1258 * manifestation of case b) where only one dumper is busy.
1260 for(dp=NULL, dumper = dmptable; dumper < (dmptable+inparallel); dumper++) {
1261 if( dumper->busy ) {
1263 if( !find_disk(&roomq, dumper->dp) ) {
1266 sched(dp)->est_size > sched(dumper->dp)->est_size ) {
1271 if((dp != NULL) && (active_dumpers == 0) && (busy_dumpers > 0) &&
1272 ((!taper_busy && empty(tapeq)) || degraded_mode) &&
1273 pending_aborts == 0 ) { /* not case a */
1274 if( busy_dumpers == 1 ) { /* case c */
1275 sched(dp)->no_space = 1;
1278 /* At this time, dp points to the dump with the smallest est_size.
1279 * We abort that dump, hopefully not wasting too much time retrying it.
1281 remove_disk( &roomq, dp );
1282 chunker_cmd(sched(dp)->dumper->chunker, ABORT, NULL, _("Not enough holding disk space"));
1283 dumper_cmd( sched(dp)->dumper, ABORT, NULL, _("Not enough holding disk space"));
1290 handle_taper_result(
1291 void *cookie G_GNUC_UNUSED)
1300 assert(cookie == NULL);
1301 amfree(taper_input_error);
1302 amfree(taper_tape_error);
1308 cmd = getresult(taper, 1, &result_argc, &result_argv);
1312 case FAILED: /* FAILED <handle> INPUT-* TAPE-* <input err mesg> <tape err mesg> */
1313 if(result_argc != 6) {
1314 error(_("error: [taper FAILED result_argc != 6: %d"), result_argc);
1318 dp = serial2disk(result_argv[1]);
1319 assert(dp == taper_disk);
1321 free_serial(result_argv[1]);
1323 qname = quote_string(dp->name);
1324 g_printf(_("driver: finished-cmd time %s taper wrote %s:%s\n"),
1325 walltime_str(curclock()), dp->host->hostname, qname);
1328 if (strcmp(result_argv[2], "INPUT-ERROR") == 0) {
1329 taper_input_error = newstralloc(taper_input_error, result_argv[4]);
1330 } else if (strcmp(result_argv[2], "INPUT-GOOD") != 0) {
1331 taper_tape_error = newstralloc(taper_tape_error,
1332 _("Taper protocol error"));
1333 taper_result = FAILED;
1334 log_add(L_FAIL, _("%s %s %s %d [%s]"),
1335 dp->host->hostname, qname, sched(dp)->datestamp,
1336 sched(dp)->level, taper_tape_error);
1340 if (strcmp(result_argv[3], "TAPE-ERROR") == 0) {
1341 taper_tape_error = newstralloc(taper_tape_error, result_argv[5]);
1342 } else if (strcmp(result_argv[3], "TAPE-GOOD") != 0) {
1343 taper_tape_error = newstralloc(taper_tape_error,
1344 _("Taper protocol error"));
1345 taper_result = FAILED;
1346 log_add(L_FAIL, _("%s %s %s %d [%s]"),
1347 dp->host->hostname, qname, sched(dp)->datestamp,
1348 sched(dp)->level, taper_tape_error);
1358 case PARTIAL: /* PARTIAL <handle> INPUT-* TAPE-* <stat mess> <input err mesg> <tape err mesg>*/
1359 case DONE: /* DONE <handle> INPUT-GOOD TAPE-GOOD <stat mess> <input err mesg> <tape err mesg> */
1360 if(result_argc != 7) {
1361 error(_("error: [taper PARTIAL result_argc != 7: %d"), result_argc);
1365 dp = serial2disk(result_argv[1]);
1366 assert(dp == taper_disk);
1368 free_serial(result_argv[1]);
1370 qname = quote_string(dp->name);
1371 g_printf(_("driver: finished-cmd time %s taper wrote %s:%s\n"),
1372 walltime_str(curclock()), dp->host->hostname, qname);
1375 if (strcmp(result_argv[2], "INPUT-ERROR") == 0) {
1376 taper_input_error = newstralloc(taper_input_error, result_argv[5]);
1377 } else if (strcmp(result_argv[2], "INPUT-GOOD") != 0) {
1378 taper_tape_error = newstralloc(taper_tape_error,
1379 _("Taper protocol error"));
1380 taper_result = FAILED;
1381 log_add(L_FAIL, _("%s %s %s %d [%s]"),
1382 dp->host->hostname, qname, sched(dp)->datestamp,
1383 sched(dp)->level, taper_tape_error);
1387 if (strcmp(result_argv[3], "TAPE-ERROR") == 0) {
1388 taper_tape_error = newstralloc(taper_tape_error, result_argv[6]);
1389 } else if (strcmp(result_argv[3], "TAPE-GOOD") != 0) {
1390 taper_tape_error = newstralloc(taper_tape_error,
1391 _("Taper protocol error"));
1392 taper_result = FAILED;
1393 log_add(L_FAIL, _("%s %s %s %d [%s]"),
1394 dp->host->hostname, qname, sched(dp)->datestamp,
1395 sched(dp)->level, taper_tape_error);
1400 s = strstr(result_argv[4], " kb ");
1403 sched(dp)->dumpsize = atol(s);
1411 case PARTDONE: /* PARTDONE <handle> <label> <fileno> <kbytes> <stat> */
1412 dp = serial2disk(result_argv[1]);
1413 assert(dp == taper_disk);
1414 if (result_argc != 6) {
1415 error(_("error [taper PARTDONE result_argc != 6: %d]"),
1419 if (!taper_first_label) {
1420 taper_first_label = stralloc(result_argv[2]);
1421 taper_first_fileno = OFF_T_ATOI(result_argv[3]);
1423 taper_written = OFF_T_ATOI(result_argv[4]);
1424 if (taper_written > sched(taper_disk)->act_size)
1425 sched(taper_disk)->act_size = taper_written;
1429 case REQUEST_NEW_TAPE: /* REQUEST-NEW-TAPE <handle> */
1430 if (result_argc != 2) {
1431 error(_("error [taper REQUEST_NEW_TAPE result_argc != 2: %d]"),
1435 taper_state &= ~TAPER_STATE_TAPE_STARTED;
1437 if (current_tape >= conf_runtapes) {
1438 taper_cmd(NO_NEW_TAPE, "runtapes volumes already written", NULL, 0, NULL);
1440 _("Out of tapes; going into degraded mode."));
1441 start_degraded_mode(&runq);
1443 TapeAction result_tape_action;
1444 char *why_no_new_tape;
1446 taper_state |= TAPER_STATE_WAIT_FOR_TAPE;
1447 result_tape_action = tape_action(&why_no_new_tape);
1448 if (result_tape_action & TAPE_ACTION_NEW_TAPE) {
1449 taper_cmd(NEW_TAPE, NULL, NULL, 0, NULL);
1450 taper_state &= ~TAPER_STATE_WAIT_FOR_TAPE;
1451 } else if (result_tape_action & TAPE_ACTION_NO_NEW_TAPE) {
1452 taper_cmd(NO_NEW_TAPE, why_no_new_tape, NULL, 0, NULL);
1453 taper_state &= ~TAPER_STATE_WAIT_FOR_TAPE;
1454 start_degraded_mode(&runq);
1459 case NEW_TAPE: /* NEW-TAPE <handle> <label> */
1460 if (result_argc != 3) {
1461 error(_("error [taper NEW_TAPE result_argc != 3: %d]"),
1466 /* Update our tape counter and reset tape_left */
1468 tape_left = tape_length;
1469 taper_state |= TAPER_STATE_TAPE_STARTED;
1472 case NO_NEW_TAPE: /* NO-NEW-TAPE <handle> */
1473 if (result_argc != 2) {
1474 error(_("error [taper NO_NEW_TAPE result_argc != 2: %d]"),
1478 start_degraded_mode(&runq);
1481 case DUMPER_STATUS: /* DUMPER-STATUS <handle> */
1482 if (result_argc != 2) {
1483 error(_("error [taper NO_NEW_TAPE result_argc != 2: %d]"),
1487 if (taper_dumper->result == LAST_TOK) {
1488 taper_sendresult = 1;
1490 if( taper_dumper->result == DONE) {
1491 taper_cmd(DONE, NULL, NULL, 0, NULL);
1493 taper_cmd(FAILED, NULL, NULL, 0, NULL);
1498 case TAPE_ERROR: /* TAPE-ERROR <handle> <err mess> */
1499 dp = serial2disk(result_argv[1]);
1501 free_serial(result_argv[1]);
1502 qname = quote_string(dp->name);
1503 g_printf(_("driver: finished-cmd time %s taper wrote %s:%s\n"),
1504 walltime_str(curclock()), dp->host->hostname, qname);
1507 q = quote_string(result_argv[2]);
1508 log_add(L_WARNING, _("Taper error: %s"), q);
1510 taper_tape_error = newstralloc(taper_tape_error, result_argv[2]);
1515 log_add(L_WARNING, _("Taper protocol error"));
1516 taper_tape_error = newstralloc(taper_tape_error, "BOGUS");
1519 * Since we received a taper error, we can't send anything more
1520 * to the taper. Go into degraded mode to try to get everthing
1521 * onto disk. Later, these dumps can be flushed to a new tape.
1522 * The tape queue is zapped so that it appears empty in future
1523 * checks. If there are dumps waiting for diskspace to be freed,
1528 _("going into degraded mode because of taper component error."));
1529 start_degraded_mode(&runq);
1531 tapeq.head = tapeq.tail = NULL;
1533 if(taper_ev_read != NULL) {
1534 event_release(taper_ev_read);
1535 taper_ev_read = NULL;
1537 if(cmd != TAPE_ERROR) aclose(taper);
1543 error(_("driver received unexpected token (%s) from taper"),
1548 g_strfreev(result_argv);
1550 if (taper_result != LAST_TOK) {
1552 if (taper_dumper->result != LAST_TOK) {
1553 // Dumper already returned it's result
1554 dumper_taper_result(taper_disk);
1557 file_taper_result(taper_disk);
1561 } while(areads_dataready(taper));
1569 char *qname = quote_string(dp->name);
1571 if (taper_result == DONE) {
1572 update_info_taper(dp, taper_first_label, taper_first_fileno,
1576 sched(dp)->taper_attempted += 1;
1578 if (taper_input_error) {
1579 g_printf("driver: taper failed %s %s: %s\n",
1580 dp->host->hostname, qname, taper_input_error);
1581 if (strcmp(sched(dp)->datestamp, driver_timestamp) == 0) {
1582 if(sched(dp)->taper_attempted >= 2) {
1583 log_add(L_FAIL, _("%s %s %s %d [too many taper retries after holding disk error: %s]"),
1584 dp->host->hostname, qname, sched(dp)->datestamp,
1585 sched(dp)->level, taper_input_error);
1586 g_printf("driver: taper failed %s %s, too many taper retry after holding disk error\n",
1587 dp->host->hostname, qname);
1588 amfree(sched(dp)->destname);
1589 amfree(sched(dp)->dumpdate);
1590 amfree(sched(dp)->degr_dumpdate);
1591 amfree(sched(dp)->degr_mesg);
1592 amfree(sched(dp)->datestamp);
1595 log_add(L_INFO, _("%s %s %s %d [Will retry dump because of holding disk error: %s]"),
1596 dp->host->hostname, qname, sched(dp)->datestamp,
1597 sched(dp)->level, taper_input_error);
1598 g_printf("driver: taper will retry %s %s because of holding disk error\n",
1599 dp->host->hostname, qname);
1600 if (dp->to_holdingdisk != HOLD_REQUIRED) {
1601 dp->to_holdingdisk = HOLD_NEVER;
1602 sched(dp)->dump_attempted -= 1;
1603 headqueue_disk(&directq, dp);
1605 amfree(sched(dp)->destname);
1606 amfree(sched(dp)->dumpdate);
1607 amfree(sched(dp)->degr_dumpdate);
1608 amfree(sched(dp)->degr_mesg);
1609 amfree(sched(dp)->datestamp);
1614 amfree(sched(dp)->destname);
1615 amfree(sched(dp)->dumpdate);
1616 amfree(sched(dp)->degr_dumpdate);
1617 amfree(sched(dp)->degr_mesg);
1618 amfree(sched(dp)->datestamp);
1621 } else if (taper_tape_error) {
1622 g_printf("driver: taper failed %s %s with tape error: %s\n",
1623 dp->host->hostname, qname, taper_tape_error);
1624 if(sched(dp)->taper_attempted >= 2) {
1625 log_add(L_FAIL, _("%s %s %s %d [too many taper retries]"),
1626 dp->host->hostname, qname, sched(dp)->datestamp,
1628 g_printf("driver: taper failed %s %s, too many taper retry\n",
1629 dp->host->hostname, qname);
1630 amfree(sched(dp)->destname);
1631 amfree(sched(dp)->dumpdate);
1632 amfree(sched(dp)->degr_dumpdate);
1633 amfree(sched(dp)->degr_mesg);
1634 amfree(sched(dp)->datestamp);
1637 g_printf("driver: taper will retry %s %s\n",
1638 dp->host->hostname, qname);
1639 /* Re-insert into taper queue. */
1640 headqueue_disk(&tapeq, dp);
1642 } else if (taper_result != DONE) {
1643 g_printf("driver: taper failed %s %s without error\n",
1644 dp->host->hostname, qname);
1646 delete_diskspace(dp);
1647 amfree(sched(dp)->destname);
1648 amfree(sched(dp)->dumpdate);
1649 amfree(sched(dp)->degr_dumpdate);
1650 amfree(sched(dp)->degr_mesg);
1651 amfree(sched(dp)->datestamp);
1658 amfree(taper_input_error);
1659 amfree(taper_tape_error);
1662 /* continue with those dumps waiting for diskspace */
1663 continue_port_dumps();
1664 start_some_dumps(&runq);
1669 dumper_taper_result(
1676 dumper = sched(dp)->dumper;
1679 if(dumper->result == DONE && taper_result == DONE) {
1680 update_info_dumper(dp, sched(dp)->origsize,
1681 sched(dp)->dumpsize, sched(dp)->dumptime);
1682 update_info_taper(dp, taper_first_label, taper_first_fileno,
1684 qname = quote_string(dp->name); /*quote to take care of spaces*/
1686 log_add(L_STATS, _("estimate %s %s %s %d [sec %ld nkb %lld ckb %lld kps %lu]"),
1687 dp->host->hostname, qname, sched(dp)->datestamp,
1689 sched(dp)->est_time, (long long)sched(dp)->est_nsize,
1690 (long long)sched(dp)->est_csize,
1691 sched(dp)->est_kps);
1694 update_failed_dump_to_tape(dp);
1697 is_partial = dumper->result != DONE || taper_result != DONE;
1699 sched(dp)->dump_attempted += 1;
1700 sched(dp)->taper_attempted += 1;
1702 if((dumper->result != DONE || taper_result != DONE) &&
1703 sched(dp)->dump_attempted <= 1 &&
1704 sched(dp)->taper_attempted <= 1) {
1705 enqueue_disk(&directq, dp);
1708 if(dumper->ev_read != NULL) {
1709 event_release(dumper->ev_read);
1710 dumper->ev_read = NULL;
1712 if(taper_ev_read != NULL) {
1713 event_release(taper_ev_read);
1714 taper_ev_read = NULL;
1717 amfree(taper_input_error);
1718 amfree(taper_tape_error);
1720 dp->host->inprogress -= 1;
1722 deallocate_bandwidth(dp->host->netif, sched(dp)->est_kps);
1731 for(dumper = dmptable; dumper < dmptable+inparallel; dumper++)
1732 if(!dumper->busy && !dumper->down) return dumper;
1738 dumper_chunker_result(
1743 assignedhd_t **h=NULL;
1750 dumper = sched(dp)->dumper;
1751 chunker = dumper->chunker;
1755 h = sched(dp)->holdp;
1756 activehd = sched(dp)->activehd;
1758 if(dumper->result == DONE && chunker->result == DONE) {
1759 update_info_dumper(dp, sched(dp)->origsize,
1760 sched(dp)->dumpsize, sched(dp)->dumptime);
1761 qname = quote_string(dp->name);/*quote to take care of spaces*/
1763 log_add(L_STATS, _("estimate %s %s %s %d [sec %ld nkb %lld ckb %lld kps %lu]"),
1764 dp->host->hostname, qname, sched(dp)->datestamp,
1766 sched(dp)->est_time, (long long)sched(dp)->est_nsize,
1767 (long long)sched(dp)->est_csize,
1768 sched(dp)->est_kps);
1772 deallocate_bandwidth(dp->host->netif, sched(dp)->est_kps);
1774 is_partial = dumper->result != DONE || chunker->result != DONE;
1775 rename_tmp_holding(sched(dp)->destname, !is_partial);
1778 for( i = 0, h = sched(dp)->holdp; i < activehd; i++ ) {
1779 dummy += h[i]->used;
1782 size = holding_file_size(sched(dp)->destname, 0);
1783 h[activehd]->used = size - dummy;
1784 h[activehd]->disk->allocated_dumpers--;
1785 adjust_diskspace(dp, DONE);
1787 sched(dp)->dump_attempted += 1;
1789 if((dumper->result != DONE || chunker->result != DONE) &&
1790 sched(dp)->dump_attempted <= 1) {
1791 delete_diskspace(dp);
1792 if (sched(dp)->no_space) {
1793 enqueue_disk(&directq, dp);
1795 enqueue_disk(&runq, dp);
1798 else if(size > (off_t)DISK_BLOCK_KB) {
1799 enqueue_disk(&tapeq, dp);
1802 delete_diskspace(dp);
1806 dp->host->inprogress -= 1;
1809 waitpid(chunker->pid, NULL, 0 );
1810 aclose(chunker->fd);
1815 if (chunker->result == ABORT_FINISHED)
1817 continue_port_dumps();
1819 * Wakeup any dumpers that are sleeping because of network
1820 * or disk constraints.
1822 start_some_dumps(&runq);
1828 handle_dumper_result(
1831 /* uses global pending_aborts */
1832 dumper_t *dumper = cookie;
1833 disk_t *dp, *sdp, *dp1;
1839 assert(dumper != NULL);
1842 assert(sched(dp) != NULL);
1847 cmd = getresult(dumper->fd, 1, &result_argc, &result_argv);
1850 /* result_argv[1] always contains the serial number */
1851 sdp = serial2disk(result_argv[1]);
1853 error(_("Invalid serial number %s"), result_argv[1]);
1854 g_assert_not_reached();
1858 qname = quote_string(dp->name);
1861 case DONE: /* DONE <handle> <origsize> <dumpsize> <dumptime> <errstr> */
1862 if(result_argc != 6) {
1863 error(_("error [dumper DONE result_argc != 6: %d]"), result_argc);
1867 sched(dp)->origsize = OFF_T_ATOI(result_argv[2]);
1868 sched(dp)->dumptime = TIME_T_ATOI(result_argv[4]);
1870 g_printf(_("driver: finished-cmd time %s %s dumped %s:%s\n"),
1871 walltime_str(curclock()), dumper->name,
1872 dp->host->hostname, qname);
1875 dumper->result = cmd;
1879 case TRYAGAIN: /* TRY-AGAIN <handle> <errstr> */
1881 * Requeue this disk, and fall through to the FAILED
1884 if(sched(dp)->dump_attempted) {
1885 char *qname = quote_string(dp->name);
1886 char *qerr = quote_string(result_argv[2]);
1887 log_add(L_FAIL, _("%s %s %s %d [too many dumper retry: %s]"),
1888 dp->host->hostname, qname, sched(dp)->datestamp,
1889 sched(dp)->level, qerr);
1890 g_printf(_("driver: dump failed %s %s %s, too many dumper retry: %s\n"),
1891 result_argv[1], dp->host->hostname, qname, qerr);
1896 case FAILED: /* FAILED <handle> <errstr> */
1897 /*free_serial(result_argv[1]);*/
1898 dumper->result = cmd;
1901 case ABORT_FINISHED: /* ABORT-FINISHED <handle> */
1903 * We sent an ABORT from the NO-ROOM case because this dump
1904 * wasn't going to fit onto the holding disk. We now need to
1905 * clean up the remains of this image, and try to finish
1906 * other dumps that are waiting on disk space.
1908 assert(pending_aborts);
1909 /*free_serial(result_argv[1]);*/
1910 dumper->result = cmd;
1914 /* either EOF or garbage from dumper. Turn it off */
1915 log_add(L_WARNING, _("%s pid %ld is messed up, ignoring it.\n"),
1916 dumper->name, (long)dumper->pid);
1917 if (dumper->ev_read) {
1918 event_release(dumper->ev_read);
1919 dumper->ev_read = NULL;
1923 dumper->down = 1; /* mark it down so it isn't used again */
1925 /* if it was dumping something, zap it and try again */
1926 if(sched(dp)->dump_attempted) {
1927 log_add(L_FAIL, _("%s %s %s %d [%s died]"),
1928 dp->host->hostname, qname, sched(dp)->datestamp,
1929 sched(dp)->level, dumper->name);
1931 log_add(L_WARNING, _("%s died while dumping %s:%s lev %d."),
1932 dumper->name, dp->host->hostname, qname,
1935 dumper->result = cmd;
1942 g_strfreev(result_argv);
1946 run_server_scripts(EXECUTE_ON_POST_DLE_BACKUP,
1947 get_config_name(), dp, sched(dp)->level);
1948 for (dp1=runq.head; dp1 != NULL; dp1 = dp1->next) {
1949 if (dp1 != dp) last_dump = 0;
1951 if (last_dump && dp->host->post_script == 0) {
1952 if (dp->host->post_script == 0) {
1953 for (dp1=dp->host->disks; dp1 != NULL; dp1 = dp1->hostnext) {
1954 run_server_scripts(EXECUTE_ON_POST_HOST_BACKUP,
1955 get_config_name(), dp1, -1);
1957 dp->host->post_script = 1;
1962 /* send the dumper result to the chunker */
1963 if (dumper->chunker) {
1964 if (dumper->chunker->down == 0 && dumper->chunker->fd != -1 &&
1965 dumper->chunker->result == LAST_TOK) {
1967 chunker_cmd(dumper->chunker, DONE, dp, NULL);
1970 chunker_cmd(dumper->chunker, FAILED, dp, NULL);
1973 if( dumper->result != LAST_TOK &&
1974 dumper->chunker->result != LAST_TOK)
1975 dumper_chunker_result(dp);
1976 } else { /* send the dumper result to the taper */
1977 if (taper_sendresult) {
1979 taper_cmd(DONE, driver_timestamp, NULL, 0, NULL);
1981 taper_cmd(FAILED, driver_timestamp, NULL, 0, NULL);
1983 taper_sendresult = 0;
1986 if (taper_dumper && taper_result != LAST_TOK) {
1987 dumper_taper_result(dp);
1989 } while(areads_dataready(dumper->fd));
1994 handle_chunker_result(
1997 chunker_t *chunker = cookie;
1998 assignedhd_t **h=NULL;
2008 assert(chunker != NULL);
2009 dumper = chunker->dumper;
2010 assert(dumper != NULL);
2013 assert(sched(dp) != NULL);
2014 assert(sched(dp)->destname != NULL);
2015 assert(dp != NULL && sched(dp) != NULL && sched(dp)->destname);
2017 if(sched(dp)->holdp) {
2018 h = sched(dp)->holdp;
2019 activehd = sched(dp)->activehd;
2025 cmd = getresult(chunker->fd, 1, &result_argc, &result_argv);
2028 /* result_argv[1] always contains the serial number */
2029 sdp = serial2disk(result_argv[1]);
2031 error(_("Invalid serial number %s"), result_argv[1]);
2032 g_assert_not_reached();
2038 case PARTIAL: /* PARTIAL <handle> <dumpsize> <errstr> */
2039 case DONE: /* DONE <handle> <dumpsize> <errstr> */
2040 if(result_argc != 4) {
2041 error(_("error [chunker %s result_argc != 4: %d]"), cmdstr[cmd],
2045 /*free_serial(result_argv[1]);*/
2047 sched(dp)->dumpsize = (off_t)atof(result_argv[2]);
2049 qname = quote_string(dp->name);
2050 g_printf(_("driver: finished-cmd time %s %s chunked %s:%s\n"),
2051 walltime_str(curclock()), chunker->name,
2052 dp->host->hostname, qname);
2056 event_release(chunker->ev_read);
2058 chunker->result = cmd;
2062 case TRYAGAIN: /* TRY-AGAIN <handle> <errstr> */
2063 event_release(chunker->ev_read);
2065 chunker->result = cmd;
2068 case FAILED: /* FAILED <handle> <errstr> */
2069 /*free_serial(result_argv[1]);*/
2071 event_release(chunker->ev_read);
2073 chunker->result = cmd;
2077 case NO_ROOM: /* NO-ROOM <handle> <missing_size> */
2078 if (!h || activehd < 0) { /* should never happen */
2079 error(_("!h || activehd < 0"));
2082 h[activehd]->used -= OFF_T_ATOI(result_argv[2]);
2083 h[activehd]->reserved -= OFF_T_ATOI(result_argv[2]);
2084 h[activehd]->disk->allocated_space -= OFF_T_ATOI(result_argv[2]);
2085 h[activehd]->disk->disksize -= OFF_T_ATOI(result_argv[2]);
2088 case RQ_MORE_DISK: /* RQ-MORE-DISK <handle> */
2089 if (!h || activehd < 0) { /* should never happen */
2090 error(_("!h || activehd < 0"));
2093 h[activehd]->disk->allocated_dumpers--;
2094 h[activehd]->used = h[activehd]->reserved;
2095 if( h[++activehd] ) { /* There's still some allocated space left.
2096 * Tell the dumper about it. */
2097 sched(dp)->activehd++;
2098 chunker_cmd( chunker, CONTINUE, dp, NULL );
2099 } else { /* !h[++activehd] - must allocate more space */
2100 sched(dp)->act_size = sched(dp)->est_size; /* not quite true */
2101 sched(dp)->est_size = (sched(dp)->act_size/(off_t)20) * (off_t)21; /* +5% */
2102 sched(dp)->est_size = am_round(sched(dp)->est_size, (off_t)DISK_BLOCK_KB);
2103 if (sched(dp)->est_size < sched(dp)->act_size + 2*DISK_BLOCK_KB)
2104 sched(dp)->est_size += 2 * DISK_BLOCK_KB;
2105 h = find_diskspace( sched(dp)->est_size - sched(dp)->act_size,
2109 /* No diskspace available. The reason for this will be
2110 * determined in continue_port_dumps(). */
2111 enqueue_disk( &roomq, dp );
2112 continue_port_dumps();
2114 /* OK, allocate space for disk and have chunker continue */
2115 sched(dp)->activehd = assign_holdingdisk( h, dp );
2116 chunker_cmd( chunker, CONTINUE, dp, NULL );
2122 case ABORT_FINISHED: /* ABORT-FINISHED <handle> */
2124 * We sent an ABORT from the NO-ROOM case because this dump
2125 * wasn't going to fit onto the holding disk. We now need to
2126 * clean up the remains of this image, and try to finish
2127 * other dumps that are waiting on disk space.
2129 /*assert(pending_aborts);*/
2131 /*free_serial(result_argv[1]);*/
2133 event_release(chunker->ev_read);
2135 chunker->result = cmd;
2140 /* either EOF or garbage from chunker. Turn it off */
2141 log_add(L_WARNING, _("%s pid %ld is messed up, ignoring it.\n"),
2142 chunker->name, (long)chunker->pid);
2144 /* if it was dumping something, zap it and try again */
2145 g_assert(h && activehd >= 0);
2146 qname = quote_string(dp->name);
2147 if(sched(dp)->dump_attempted) {
2148 log_add(L_FAIL, _("%s %s %s %d [%s died]"),
2149 dp->host->hostname, qname, sched(dp)->datestamp,
2150 sched(dp)->level, chunker->name);
2152 log_add(L_WARNING, _("%s died while dumping %s:%s lev %d."),
2153 chunker->name, dp->host->hostname, qname,
2159 event_release(chunker->ev_read);
2161 chunker->result = cmd;
2168 g_strfreev(result_argv);
2170 if(chunker->result != LAST_TOK && chunker->dumper->result != LAST_TOK)
2171 dumper_chunker_result(dp);
2173 } while(areads_dataready(chunker->fd));
2183 char *hostname, *diskname, *datestamp;
2187 char *inpline = NULL;
2193 char *qdestname = NULL;
2195 tq.head = tq.tail = NULL;
2197 for(line = 0; (inpline = agets(stdin)) != NULL; free(inpline)) {
2201 if (inpline[0] == '\0')
2207 skip_whitespace(s, ch); /* find the command */
2209 error(_("flush line %d: syntax error (no command)"), line);
2213 skip_non_whitespace(s, ch);
2216 if(strcmp(command,"ENDFLUSH") == 0) {
2220 if(strcmp(command,"FLUSH") != 0) {
2221 error(_("flush line %d: syntax error (%s != FLUSH)"), line, command);
2225 skip_whitespace(s, ch); /* find the hostname */
2227 error(_("flush line %d: syntax error (no hostname)"), line);
2231 skip_non_whitespace(s, ch);
2234 skip_whitespace(s, ch); /* find the diskname */
2236 error(_("flush line %d: syntax error (no diskname)"), line);
2240 skip_quoted_string(s, ch);
2241 s[-1] = '\0'; /* terminate the disk name */
2242 diskname = unquote_string(qname);
2244 skip_whitespace(s, ch); /* find the datestamp */
2246 error(_("flush line %d: syntax error (no datestamp)"), line);
2250 skip_non_whitespace(s, ch);
2253 skip_whitespace(s, ch); /* find the level number */
2254 if(ch == '\0' || sscanf(s - 1, "%d", &level) != 1) {
2255 error(_("flush line %d: syntax error (bad level)"), line);
2258 skip_integer(s, ch);
2260 skip_whitespace(s, ch); /* find the filename */
2262 error(_("flush line %d: syntax error (no filename)"), line);
2266 skip_quoted_string(s, ch);
2268 destname = unquote_string(qdestname);
2270 holding_file_get_dumpfile(destname, &file);
2271 if( file.type != F_DUMPFILE) {
2272 if( file.type != F_CONT_DUMPFILE )
2273 log_add(L_INFO, _("%s: ignoring cruft file."), destname);
2276 dumpfile_free_data(&file);
2280 if(strcmp(hostname, file.name) != 0 ||
2281 strcmp(diskname, file.disk) != 0 ||
2282 strcmp(datestamp, file.datestamp) != 0) {
2283 log_add(L_INFO, _("disk %s:%s not consistent with file %s"),
2284 hostname, diskname, destname);
2287 dumpfile_free_data(&file);
2292 dp = lookup_disk(file.name, file.disk);
2295 log_add(L_INFO, _("%s: disk %s:%s not in database, skipping it."),
2296 destname, file.name, file.disk);
2298 dumpfile_free_data(&file);
2302 if(file.dumplevel < 0 || file.dumplevel > 9) {
2303 log_add(L_INFO, _("%s: ignoring file with bogus dump level %d."),
2304 destname, file.dumplevel);
2306 dumpfile_free_data(&file);
2310 if (holding_file_size(destname,1) <= 0) {
2311 log_add(L_INFO, "%s: removing file with no data.", destname);
2312 holding_file_unlink(destname);
2314 dumpfile_free_data(&file);
2318 dp1 = (disk_t *)alloc(SIZEOF(disk_t));
2320 dp1->next = dp1->prev = NULL;
2322 /* add it to the flushhost list */
2324 flushhost = alloc(SIZEOF(am_host_t));
2325 flushhost->next = NULL;
2326 flushhost->hostname = stralloc("FLUSHHOST");
2327 flushhost->up = NULL;
2328 flushhost->features = NULL;
2330 dp1->hostnext = flushhost->disks;
2331 flushhost->disks = dp1;
2333 sp = (sched_t *) alloc(SIZEOF(sched_t));
2334 sp->destname = destname;
2335 sp->level = file.dumplevel;
2336 sp->dumpdate = NULL;
2337 sp->degr_dumpdate = NULL;
2338 sp->degr_mesg = NULL;
2339 sp->datestamp = stralloc(file.datestamp);
2340 sp->est_nsize = (off_t)0;
2341 sp->est_csize = (off_t)0;
2345 sp->degr_level = -1;
2346 sp->dump_attempted = 0;
2347 sp->taper_attempted = 0;
2348 sp->act_size = holding_file_size(destname, 0);
2349 sp->holdp = build_diskspace(destname);
2350 if(sp->holdp == NULL) continue;
2352 sp->timestamp = (time_t)0;
2354 dp1->up = (char *)sp;
2356 enqueue_disk(&tq, dp1);
2357 dumpfile_free_data(&file);
2370 int level, line, priority;
2371 char *dumpdate, *degr_dumpdate, *degr_mesg;
2373 time_t time, degr_time;
2374 time_t *time_p = &time;
2375 time_t *degr_time_p = °r_time;
2376 off_t nsize, csize, degr_nsize, degr_csize;
2377 unsigned long kps, degr_kps;
2378 char *hostname, *features, *diskname, *datestamp, *inpline = NULL;
2382 off_t flush_size = (off_t)0;
2387 long long degr_nsize_;
2388 long long degr_csize_;
2390 (void)cookie; /* Quiet unused parameter warning */
2392 event_release(schedule_ev_read);
2394 /* read schedule from stdin */
2396 for(line = 0; (inpline = agets(stdin)) != NULL; free(inpline)) {
2397 if (inpline[0] == '\0')
2404 skip_whitespace(s, ch); /* find the command */
2406 error(_("schedule line %d: syntax error (no command)"), line);
2410 skip_non_whitespace(s, ch);
2413 if(strcmp(command,"DUMP") != 0) {
2414 error(_("schedule line %d: syntax error (%s != DUMP)"), line, command);
2418 skip_whitespace(s, ch); /* find the host name */
2420 error(_("schedule line %d: syntax error (no host name)"), line);
2424 skip_non_whitespace(s, ch);
2427 skip_whitespace(s, ch); /* find the feature list */
2429 error(_("schedule line %d: syntax error (no feature list)"), line);
2433 skip_non_whitespace(s, ch);
2436 skip_whitespace(s, ch); /* find the disk name */
2438 error(_("schedule line %d: syntax error (no disk name)"), line);
2442 skip_quoted_string(s, ch);
2443 s[-1] = '\0'; /* terminate the disk name */
2444 diskname = unquote_string(qname);
2446 skip_whitespace(s, ch); /* find the datestamp */
2448 error(_("schedule line %d: syntax error (no datestamp)"), line);
2452 skip_non_whitespace(s, ch);
2455 skip_whitespace(s, ch); /* find the priority number */
2456 if(ch == '\0' || sscanf(s - 1, "%d", &priority) != 1) {
2457 error(_("schedule line %d: syntax error (bad priority)"), line);
2460 skip_integer(s, ch);
2462 skip_whitespace(s, ch); /* find the level number */
2463 if(ch == '\0' || sscanf(s - 1, "%d", &level) != 1) {
2464 error(_("schedule line %d: syntax error (bad level)"), line);
2467 skip_integer(s, ch);
2469 skip_whitespace(s, ch); /* find the dump date */
2471 error(_("schedule line %d: syntax error (bad dump date)"), line);
2475 skip_non_whitespace(s, ch);
2478 skip_whitespace(s, ch); /* find the native size */
2480 if(ch == '\0' || sscanf(s - 1, "%lld", &nsize_) != 1) {
2481 error(_("schedule line %d: syntax error (bad nsize)"), line);
2484 nsize = (off_t)nsize_;
2485 skip_integer(s, ch);
2487 skip_whitespace(s, ch); /* find the compressed size */
2489 if(ch == '\0' || sscanf(s - 1, "%lld", &csize_) != 1) {
2490 error(_("schedule line %d: syntax error (bad csize)"), line);
2493 csize = (off_t)csize_;
2494 skip_integer(s, ch);
2496 skip_whitespace(s, ch); /* find the time number */
2497 if(ch == '\0' || sscanf(s - 1, "%lld", &time_) != 1) {
2498 error(_("schedule line %d: syntax error (bad estimated time)"), line);
2501 *time_p = (time_t)time_;
2502 skip_integer(s, ch);
2504 skip_whitespace(s, ch); /* find the kps number */
2505 if(ch == '\0' || sscanf(s - 1, "%lu", &kps) != 1) {
2506 error(_("schedule line %d: syntax error (bad kps)"), line);
2509 skip_integer(s, ch);
2511 degr_dumpdate = NULL; /* flag if degr fields found */
2512 skip_whitespace(s, ch); /* find the degr level number */
2516 skip_quoted_string(s, ch);
2517 s[-1] = '\0'; /* terminate degr mesg */
2518 degr_mesg = unquote_string(qname);
2520 degr_nsize = (off_t)0;
2521 degr_csize = (off_t)0;
2522 degr_time = (time_t)0;
2524 } else if (ch != '\0') {
2525 if(sscanf(s - 1, "%d", °r_level) != 1) {
2526 error(_("schedule line %d: syntax error (bad degr level)"), line);
2529 skip_integer(s, ch);
2531 skip_whitespace(s, ch); /* find the degr dump date */
2533 error(_("schedule line %d: syntax error (bad degr dump date)"), line);
2536 degr_dumpdate = s - 1;
2537 skip_non_whitespace(s, ch);
2540 skip_whitespace(s, ch); /* find the degr native size */
2541 degr_nsize_ = (off_t)0;
2542 if(ch == '\0' || sscanf(s - 1, "%lld", °r_nsize_) != 1) {
2543 error(_("schedule line %d: syntax error (bad degr nsize)"), line);
2546 degr_nsize = (off_t)degr_nsize_;
2547 skip_integer(s, ch);
2549 skip_whitespace(s, ch); /* find the degr compressed size */
2550 degr_csize_ = (off_t)0;
2551 if(ch == '\0' || sscanf(s - 1, "%lld", °r_csize_) != 1) {
2552 error(_("schedule line %d: syntax error (bad degr csize)"), line);
2555 degr_csize = (off_t)degr_csize_;
2556 skip_integer(s, ch);
2558 skip_whitespace(s, ch); /* find the degr time number */
2559 if(ch == '\0' || sscanf(s - 1, "%lld", &time_) != 1) {
2560 error(_("schedule line %d: syntax error (bad degr estimated time)"), line);
2563 *degr_time_p = (time_t)time_;
2564 skip_integer(s, ch);
2566 skip_whitespace(s, ch); /* find the degr kps number */
2567 if(ch == '\0' || sscanf(s - 1, "%lu", °r_kps) != 1) {
2568 error(_("schedule line %d: syntax error (bad degr kps)"), line);
2571 skip_integer(s, ch);
2573 error(_("schedule line %d: no degraded estimate or message"), line);
2576 dp = lookup_disk(hostname, diskname);
2579 _("schedule line %d: %s:'%s' not in disklist, ignored"),
2580 line, hostname, qname);
2585 sp = (sched_t *) alloc(SIZEOF(sched_t));
2588 sp->dumpdate = stralloc(dumpdate);
2589 sp->est_nsize = DISK_BLOCK_KB + nsize; /* include header */
2590 sp->est_csize = DISK_BLOCK_KB + csize; /* include header */
2591 /* round estimate to next multiple of DISK_BLOCK_KB */
2592 sp->est_csize = am_round(sp->est_csize, DISK_BLOCK_KB);
2593 sp->est_size = sp->est_csize;
2594 sp->est_time = time;
2596 sp->priority = priority;
2597 sp->datestamp = stralloc(datestamp);
2600 sp->degr_level = degr_level;
2601 sp->degr_dumpdate = stralloc(degr_dumpdate);
2602 sp->degr_nsize = DISK_BLOCK_KB + degr_nsize;
2603 sp->degr_csize = DISK_BLOCK_KB + degr_csize;
2604 /* round estimate to next multiple of DISK_BLOCK_KB */
2605 sp->degr_csize = am_round(sp->degr_csize, DISK_BLOCK_KB);
2606 sp->degr_time = degr_time;
2607 sp->degr_kps = degr_kps;
2608 sp->degr_mesg = NULL;
2610 sp->degr_level = -1;
2611 sp->degr_dumpdate = NULL;
2612 sp->degr_mesg = degr_mesg;
2616 sp->dump_attempted = 0;
2617 sp->taper_attempted = 0;
2622 sp->timestamp = (time_t)0;
2623 sp->destname = NULL;
2626 dp->up = (char *) sp;
2627 if(dp->host->features == NULL) {
2628 dp->host->features = am_string_to_feature(features);
2630 remove_disk(&waitq, dp);
2631 if (dp->to_holdingdisk == HOLD_NEVER) {
2632 enqueue_disk(&directq, dp);
2634 enqueue_disk(&runq, dp);
2636 flush_size += sp->act_size;
2639 g_printf(_("driver: flush size %lld\n"), (long long)flush_size);
2642 log_add(L_WARNING, _("WARNING: got empty schedule from planner"));
2643 if(need_degraded==1) start_degraded_mode(&runq);
2645 start_some_dumps(&runq);
2648 static unsigned long
2656 unsigned long maxusage=0;
2657 unsigned long curusage=0;
2658 for(p = disklist_netifs(); p != NULL; p = p->next) {
2659 maxusage += interface_get_maxusage(p->config);
2660 curusage += p->curusage;
2662 if (maxusage >= curusage)
2663 res = maxusage - curusage;
2668 if ((unsigned long)interface_get_maxusage(ip->config) >= ip->curusage)
2669 res = interface_get_maxusage(ip->config) - ip->curusage;
2684 g_printf(_("driver: interface-state time %s"), time_str);
2686 for(ip = disklist_netifs(); ip != NULL; ip = ip->next) {
2687 g_printf(_(" if %s: free %lu"), interface_name(ip->config), free_kps(ip));
2697 ip->curusage += kps;
2701 deallocate_bandwidth(
2705 assert(kps <= ip->curusage);
2706 ip->curusage -= kps;
2717 total_free = (off_t)0;
2718 for(ha = holdalloc; ha != NULL; ha = ha->next) {
2719 diff = ha->disksize - ha->allocated_space;
2727 * We return an array of pointers to assignedhd_t. The array contains at
2728 * most one entry per holding disk. The list of pointers is terminated by
2729 * a NULL pointer. Each entry contains a pointer to a holdingdisk and
2730 * how much diskspace to use on that disk. Later on, assign_holdingdisk
2731 * will allocate the given amount of space.
2732 * If there is not enough room on the holdingdisks, NULL is returned.
2735 static assignedhd_t **
2739 assignedhd_t * pref)
2741 assignedhd_t **result = NULL;
2742 holdalloc_t *ha, *minp;
2746 off_t halloc, dalloc, hfree, dfree;
2748 (void)cur_idle; /* Quiet unused parameter warning */
2750 if (size < 2*DISK_BLOCK_KB)
2751 size = 2*DISK_BLOCK_KB;
2752 size = am_round(size, (off_t)DISK_BLOCK_KB);
2754 hold_debug(1, _("find_diskspace: want %lld K\n"),
2757 used = alloc(SIZEOF(*used) * num_holdalloc);/*disks used during this run*/
2758 memset( used, 0, (size_t)num_holdalloc );
2759 result = alloc(SIZEOF(assignedhd_t *) * (num_holdalloc + 1));
2762 while( i < num_holdalloc && size > (off_t)0 ) {
2763 /* find the holdingdisk with the fewest active dumpers and among
2764 * those the one with the biggest free space
2766 minp = NULL; minj = -1;
2767 for(j = 0, ha = holdalloc; ha != NULL; ha = ha->next, j++ ) {
2768 if( pref && pref->disk == ha && !used[j] &&
2769 ha->allocated_space <= ha->disksize - (off_t)DISK_BLOCK_KB) {
2774 else if( ha->allocated_space <= ha->disksize - (off_t)(2*DISK_BLOCK_KB) &&
2777 ha->allocated_dumpers < minp->allocated_dumpers ||
2778 (ha->allocated_dumpers == minp->allocated_dumpers &&
2779 ha->disksize-ha->allocated_space > minp->disksize-minp->allocated_space)) ) {
2786 if( !minp ) { break; } /* all holding disks are full */
2789 /* hfree = free space on the disk */
2790 hfree = minp->disksize - minp->allocated_space;
2792 /* dfree = free space for data, remove 1 header for each chunksize */
2793 dfree = hfree - (((hfree-(off_t)1)/holdingdisk_get_chunksize(minp->hdisk))+(off_t)1) * (off_t)DISK_BLOCK_KB;
2795 /* dalloc = space I can allocate for data */
2796 dalloc = ( dfree < size ) ? dfree : size;
2798 /* halloc = space to allocate, including 1 header for each chunksize */
2799 halloc = dalloc + (((dalloc-(off_t)1)/holdingdisk_get_chunksize(minp->hdisk))+(off_t)1) * (off_t)DISK_BLOCK_KB;
2801 hold_debug(1, _("find_diskspace: find diskspace: size %lld hf %lld df %lld da %lld ha %lld\n"),
2808 result[i] = alloc(SIZEOF(assignedhd_t));
2809 result[i]->disk = minp;
2810 result[i]->reserved = halloc;
2811 result[i]->used = (off_t)0;
2812 result[i]->destname = NULL;
2818 if(size != (off_t)0) { /* not enough space available */
2819 g_printf(_("find diskspace: not enough diskspace. Left with %lld K\n"), (long long)size);
2821 free_assignedhd(result);
2825 if (debug_holding > 1) {
2826 for( i = 0; result && result[i]; i++ ) {
2827 hold_debug(1, _("find_diskspace: find diskspace: selected %s free %lld reserved %lld dumpers %d\n"),
2828 holdingdisk_get_diskdir(result[i]->disk->hdisk),
2829 (long long)(result[i]->disk->disksize -
2830 result[i]->disk->allocated_space),
2831 (long long)result[i]->reserved,
2832 result[i]->disk->allocated_dumpers);
2841 assignedhd_t ** holdp,
2846 char *sfn = sanitise_filename(diskp->name);
2848 assignedhd_t **new_holdp;
2851 g_snprintf( lvl, SIZEOF(lvl), "%d", sched(diskp)->level );
2853 size = am_round(sched(diskp)->est_size - sched(diskp)->act_size,
2854 (off_t)DISK_BLOCK_KB);
2856 for( c = 0; holdp[c]; c++ )
2857 (void)c; /* count number of disks */
2859 /* allocate memory for sched(diskp)->holdp */
2860 for(j = 0; sched(diskp)->holdp && sched(diskp)->holdp[j]; j++)
2861 (void)j; /* Quiet lint */
2862 new_holdp = (assignedhd_t **)alloc(SIZEOF(assignedhd_t*)*(j+c+1));
2863 if (sched(diskp)->holdp) {
2864 memcpy(new_holdp, sched(diskp)->holdp, j * SIZEOF(*new_holdp));
2865 amfree(sched(diskp)->holdp);
2867 sched(diskp)->holdp = new_holdp;
2871 if( j > 0 ) { /* This is a request for additional diskspace. See if we can
2872 * merge assignedhd_t's */
2874 if( sched(diskp)->holdp[j-1]->disk == holdp[0]->disk ) { /* Yes! */
2875 sched(diskp)->holdp[j-1]->reserved += holdp[0]->reserved;
2876 holdp[0]->disk->allocated_space += holdp[0]->reserved;
2877 size = (holdp[0]->reserved>size) ? (off_t)0 : size-holdp[0]->reserved;
2878 qname = quote_string(diskp->name);
2879 hold_debug(1, _("assign_holdingdisk: merging holding disk %s to disk %s:%s, add %lld for reserved %lld, left %lld\n"),
2880 holdingdisk_get_diskdir(
2881 sched(diskp)->holdp[j-1]->disk->hdisk),
2882 diskp->host->hostname, qname,
2883 (long long)holdp[0]->reserved,
2884 (long long)sched(diskp)->holdp[j-1]->reserved,
2893 /* copy assignedhd_s to sched(diskp), adjust allocated_space */
2894 for( ; holdp[i]; i++ ) {
2895 holdp[i]->destname = newvstralloc( holdp[i]->destname,
2896 holdingdisk_get_diskdir(holdp[i]->disk->hdisk), "/",
2897 hd_driver_timestamp, "/",
2898 diskp->host->hostname, ".",
2901 sched(diskp)->holdp[j++] = holdp[i];
2902 holdp[i]->disk->allocated_space += holdp[i]->reserved;
2903 size = (holdp[i]->reserved > size) ? (off_t)0 :
2904 (size - holdp[i]->reserved);
2905 qname = quote_string(diskp->name);
2907 _("assign_holdingdisk: %d assigning holding disk %s to disk %s:%s, reserved %lld, left %lld\n"),
2908 i, holdingdisk_get_diskdir(holdp[i]->disk->hdisk),
2909 diskp->host->hostname, qname,
2910 (long long)holdp[i]->reserved,
2913 holdp[i] = NULL; /* so it doesn't get free()d... */
2915 sched(diskp)->holdp[j] = NULL;
2926 assignedhd_t **holdp;
2927 off_t total = (off_t)0;
2930 char *qname, *hqname, *qdest;
2932 (void)cmd; /* Quiet unused parameter warning */
2934 qname = quote_string(diskp->name);
2935 qdest = quote_string(sched(diskp)->destname);
2936 hold_debug(1, _("adjust_diskspace: %s:%s %s\n"),
2937 diskp->host->hostname, qname, qdest);
2939 holdp = sched(diskp)->holdp;
2941 assert(holdp != NULL);
2943 for( i = 0; holdp[i]; i++ ) { /* for each allocated disk */
2944 diff = holdp[i]->used - holdp[i]->reserved;
2945 total += holdp[i]->used;
2946 holdp[i]->disk->allocated_space += diff;
2947 hqname = quote_string(holdingdisk_name(holdp[i]->disk->hdisk));
2948 hold_debug(1, _("adjust_diskspace: hdisk %s done, reserved %lld used %lld diff %lld alloc %lld dumpers %d\n"),
2949 holdingdisk_name(holdp[i]->disk->hdisk),
2950 (long long)holdp[i]->reserved,
2951 (long long)holdp[i]->used,
2953 (long long)holdp[i]->disk->allocated_space,
2954 holdp[i]->disk->allocated_dumpers );
2955 holdp[i]->reserved += diff;
2959 sched(diskp)->act_size = total;
2961 hold_debug(1, _("adjust_diskspace: after: disk %s:%s used %lld\n"),
2962 diskp->host->hostname, qname,
2963 (long long)sched(diskp)->act_size);
2972 assignedhd_t **holdp;
2975 holdp = sched(diskp)->holdp;
2977 assert(holdp != NULL);
2979 for( i = 0; holdp[i]; i++ ) { /* for each disk */
2980 /* find all files of this dump on that disk, and subtract their
2981 * reserved sizes from the disk's allocated space
2983 holdp[i]->disk->allocated_space -= holdp[i]->used;
2986 holding_file_unlink(holdp[0]->destname); /* no need for the entire list,
2987 * because holding_file_unlink
2988 * will walk through all files
2989 * using cont_filename */
2990 free_assignedhd(sched(diskp)->holdp);
2991 sched(diskp)->holdp = NULL;
2992 sched(diskp)->act_size = (off_t)0;
2995 static assignedhd_t **
3002 char buffer[DISK_BLOCK_BYTES];
3004 assignedhd_t **result;
3007 char dirname[1000], *ch;
3009 char *filename = destname;
3011 memset(buffer, 0, sizeof(buffer));
3012 used = alloc(SIZEOF(off_t) * num_holdalloc);
3013 for(i=0;i<num_holdalloc;i++)
3015 result = alloc(SIZEOF(assignedhd_t *) * (num_holdalloc + 1));
3017 while(filename != NULL && filename[0] != '\0') {
3018 strncpy(dirname, filename, 999);
3020 ch = strrchr(dirname,'/');
3023 ch = strrchr(dirname,'/');
3030 g_fprintf(stderr,_("build_diskspace: bogus filename '%s'\n"), filename);
3036 for(j = 0, ha = holdalloc; ha != NULL; ha = ha->next, j++ ) {
3037 if(strcmp(dirname, holdingdisk_get_diskdir(ha->hdisk))==0) {
3042 if(stat(filename, &finfo) == -1) {
3043 g_fprintf(stderr, _("stat %s: %s\n"), filename, strerror(errno));
3044 finfo.st_size = (off_t)0;
3046 used[j] += ((off_t)finfo.st_size+(off_t)1023)/(off_t)1024;
3047 if((fd = open(filename,O_RDONLY)) == -1) {
3048 g_fprintf(stderr,_("build_diskspace: open of %s failed: %s\n"),
3049 filename, strerror(errno));
3054 if ((buflen = full_read(fd, buffer, SIZEOF(buffer))) > 0) {;
3055 parse_file_header(buffer, &file, buflen);
3058 filename = file.cont_filename;
3061 for(j = 0, i=0, ha = holdalloc; ha != NULL; ha = ha->next, j++ ) {
3062 if(used[j] != (off_t)0) {
3063 result[i] = alloc(SIZEOF(assignedhd_t));
3064 result[i]->disk = ha;
3065 result[i]->reserved = used[j];
3066 result[i]->used = used[j];
3067 result[i]->destname = stralloc(destname);
3085 g_printf(_("driver: hdisk-state time %s"), time_str);
3087 for(ha = holdalloc, dsk = 0; ha != NULL; ha = ha->next, dsk++) {
3088 diff = ha->disksize - ha->allocated_space;
3089 g_printf(_(" hdisk %d: free %lld dumpers %d"), dsk,
3090 (long long)diff, ha->allocated_dumpers);
3096 update_failed_dump_to_tape(
3100 * should simply set no_bump
3103 time_t save_timestamp = sched(dp)->timestamp;
3104 /* setting timestamp to 0 removes the current level from the
3105 * database, so that we ensure that it will not be bumped to the
3106 * next level on the next run. If we didn't do this, dumpdates or
3107 * gnutar-lists might have been updated already, and a bumped
3108 * incremental might be created. */
3109 sched(dp)->timestamp = 0;
3110 update_info_dumper(dp, (off_t)-1, (off_t)-1, (time_t)-1);
3111 sched(dp)->timestamp = save_timestamp;
3114 /* ------------------- */
3126 qname = quote_string(dp->name);
3127 g_printf(_("driver: dumping %s:%s directly to tape\n"),
3128 dp->host->hostname, qname);
3131 /* pick a dumper and fail if there are no idle dumpers */
3133 dumper = idle_dumper();
3135 g_printf(_("driver: no idle dumpers for %s:%s.\n"),
3136 dp->host->hostname, qname);
3138 log_add(L_WARNING, _("no idle dumpers for %s:%s.\n"),
3139 dp->host->hostname, qname);
3141 return; /* fatal problem */
3144 /* tell the taper to read from a port number of its choice */
3146 taper_cmd(PORT_WRITE, dp, NULL, sched(dp)->level, sched(dp)->datestamp);
3147 cmd = getresult(taper, 1, &result_argc, &result_argv);
3149 g_printf(_("driver: did not get PORT from taper for %s:%s\n"),
3150 dp->host->hostname, qname);
3152 log_add(L_WARNING, _("driver: did not get PORT from taper for %s:%s.\n"),
3153 dp->host->hostname, qname);
3155 return; /* fatal problem */
3159 /* copy port number */
3160 dumper->output_port = atoi(result_argv[1]);
3163 dumper->chunker = NULL;
3164 dumper->result = LAST_TOK;
3165 taper_result = LAST_TOK;
3166 sched(dp)->dumper = dumper;
3168 if (dp->host->pre_script == 0) {
3169 for (dp1=dp->host->disks; dp1 != NULL; dp1 = dp1->hostnext) {
3170 run_server_scripts(EXECUTE_ON_PRE_HOST_BACKUP,
3171 get_config_name(), dp1, -1);
3173 dp->host->pre_script = 1;
3175 run_server_scripts(EXECUTE_ON_PRE_DLE_BACKUP, get_config_name(), dp,
3178 /* tell the dumper to dump to a port */
3179 dumper_cmd(dumper, PORT_DUMP, dp, NULL);
3180 dp->host->start_t = time(NULL) + 15;
3182 /* update statistics & print state */
3184 taper_busy = dumper->busy = 1;
3185 taper_input_error = NULL;
3186 taper_tape_error = NULL;
3187 taper_dumper = dumper;
3189 taper_first_label = NULL;
3191 taper_state |= TAPER_STATE_DUMP_TO_TAPE;
3192 sched(dp)->act_size = sched(dp)->est_size;
3193 dp->host->inprogress += 1;
3195 sched(dp)->timestamp = time((time_t *)0);
3196 allocate_bandwidth(dp->host->netif, sched(dp)->est_kps);
3197 idle_reason = NOT_IDLE;
3201 dumper->ev_read = event_register(dumper->fd, EV_READFD,
3202 handle_dumper_result, dumper);
3203 taper_ev_read = event_register(taper, EV_READFD,
3204 handle_taper_result, NULL);
3206 g_strfreev(result_argv);
3216 for(len = 0, p = q.head; p != NULL; len++, p = p->next)
3217 (void)len; /* Quiet lint */
3222 short_dump_state(void)
3227 wall_time = walltime_str(curclock());
3229 g_printf(_("driver: state time %s "), wall_time);
3230 g_printf(_("free kps: %lu space: %lld taper: "),
3232 (long long)free_space());
3233 if(degraded_mode) g_printf(_("DOWN"));
3234 else if(!taper_busy) g_printf(_("idle"));
3235 else g_printf(_("writing"));
3237 for(i = 0; i < inparallel; i++) if(!dmptable[i].busy) nidle++;
3238 g_printf(_(" idle-dumpers: %d"), nidle);
3239 g_printf(_(" qlen tapeq: %d"), queue_length(tapeq));
3240 g_printf(_(" runq: %d"), queue_length(runq));
3241 g_printf(_(" roomq: %d"), queue_length(roomq));
3242 g_printf(_(" wakeup: %d"), (int)sleep_time);
3243 g_printf(_(" driver-idle: %s\n"), _(idle_strings[idle_reason]));
3244 interface_state(wall_time);
3245 holdingdisk_state(wall_time);
3249 static TapeAction tape_action(char **why_no_new_tape)
3251 TapeAction result = TAPE_ACTION_NO_ACTION;
3259 off_t dump_to_disk_size;
3260 int dump_to_disk_terminated;
3263 for(dumper = dmptable; dumper < (dmptable+inparallel); dumper++) {
3265 dumpers_size += sched(dumper->dp)->est_size;
3267 driver_debug(1, _("dumpers_size: %lld\n"), (long long)dumpers_size);
3270 for(dp = runq.head; dp != NULL; dp = dp->next) {
3271 runq_size += sched(dp)->est_size;
3273 driver_debug(1, _("runq_size: %lld\n"), (long long)runq_size);
3276 for(dp = directq.head; dp != NULL; dp = dp->next) {
3277 directq_size += sched(dp)->est_size;
3279 driver_debug(1, _("directq_size: %lld\n"), (long long)directq_size);
3282 for(dp = tapeq.head; dp != NULL; dp = dp->next) {
3283 tapeq_size += sched(dp)->act_size;
3286 tapeq_size += sched(taper_disk)->act_size - taper_written;
3288 driver_debug(1, _("tapeq_size: %lld\n"), (long long)tapeq_size);
3290 sched_size = runq_size + tapeq_size + dumpers_size;
3291 driver_debug(1, _("sched_size: %lld\n"), (long long)sched_size);
3293 dump_to_disk_size = dumpers_size + runq_size;
3294 driver_debug(1, _("dump_to_disk_size: %lld\n"), (long long)dump_to_disk_size);
3296 dump_to_disk_terminated = schedule_done && dump_to_disk_size == 0;
3298 // Changing conditionals can produce a driver hang, take care.
3300 // when to start writting to a new tape
3301 if ((taper_state & TAPER_STATE_WAIT_FOR_TAPE) &&
3302 ((taper_state & TAPER_STATE_DUMP_TO_TAPE) || // for dump to tape
3303 !empty(directq) || // if a dle is waiting for a dump to tape
3304 !empty(roomq) || // holding disk constraint
3305 idle_reason == IDLE_NO_DISKSPACE || // holding disk constraint
3306 (flush_threshold_dumped < tapeq_size && // flush-threshold-dumped &&
3307 flush_threshold_scheduled < sched_size) || // flush-threshold-scheduled
3308 (taperflush < tapeq_size && // taperflush
3309 (force_flush == 1 || // if force_flush
3310 dump_to_disk_terminated)) // or all dump to disk terminated
3312 result |= TAPE_ACTION_NEW_TAPE;
3313 // when to stop using new tape
3314 } else if ((taper_state & TAPER_STATE_WAIT_FOR_TAPE) &&
3315 (taperflush >= tapeq_size && // taperflush criteria not meet
3316 (force_flush == 1 || // if force_flush
3317 dump_to_disk_terminated)) // or all dump to disk terminated
3319 result |= TAPE_ACTION_NO_NEW_TAPE;
3320 if (flush_threshold_dumped >= tapeq_size) {
3321 *why_no_new_tape = _("flush-threshold-dumped criteria not met");
3322 } else if (flush_threshold_scheduled >= sched_size) {
3323 *why_no_new_tape = _("flush-threshold-scheduled criteria not met");
3325 *why_no_new_tape = _("taperflush criteria not met");
3329 // when to start a flush
3330 // We don't start a flush if taper_tape_started == 1 && dump_to_disk_terminated && force_flush == 0,
3331 // it is a criteria need to exit the first event_loop without flushing everything to tape,
3332 // they will be flush in another event_loop.
3333 if (!degraded_mode && !taper_busy && !empty(tapeq) &&
3334 (!((taper_state & TAPER_STATE_TAPE_STARTED) &&
3335 dump_to_disk_terminated && force_flush == 0) || // if tape already started and dump to disk not terminated
3336 ((taper_state & TAPER_STATE_TAPE_STARTED) &&
3337 force_flush == 1) || // if tape already started and force_flush
3338 !empty(roomq) || // holding disk constraint
3339 idle_reason == IDLE_NO_DISKSPACE || // holding disk constraint
3340 (flush_threshold_dumped < tapeq_size && // flush-threshold-dumped &&
3341 flush_threshold_scheduled < sched_size) || // flush-threshold-scheduled
3342 (force_flush == 1 && taperflush < tapeq_size))) { // taperflush if force_flush
3343 result |= TAPE_ACTION_START_A_FLUSH;
3357 g_printf("================\n");
3358 g_printf(_("driver state at time %s: %s\n"), walltime_str(curclock()), str);
3359 g_printf(_("free kps: %lu, space: %lld\n"),
3361 (long long)free_space());
3362 if(degraded_mode) g_printf(_("taper: DOWN\n"));
3363 else if(!taper_busy) g_printf(_("taper: idle\n"));
3364 else g_printf(_("taper: writing %s:%s.%d est size %lld\n"),
3365 taper_disk->host->hostname, taper_disk->name,
3366 sched(taper_disk)->level,
3367 (long long)sched(taper_disk)->est_size);
3368 for(i = 0; i < inparallel; i++) {
3369 dp = dmptable[i].dp;
3370 if(!dmptable[i].busy)
3371 g_printf(_("%s: idle\n"), dmptable[i].name);
3373 qname = quote_string(dp->name);
3374 g_printf(_("%s: dumping %s:%s.%d est kps %d size %lld time %lu\n"),
3375 dmptable[i].name, dp->host->hostname, qname, sched(dp)->level,
3376 sched(dp)->est_kps, (long long)sched(dp)->est_size, sched(dp)->est_time);
3379 dump_queue("TAPE", tapeq, 5, stdout);
3380 dump_queue("ROOM", roomq, 5, stdout);
3381 dump_queue("RUN ", runq, 5, stdout);
3382 g_printf("================\n");