3 # Amanda, The Advanced Maryland Automatic Network Disk Archiver
4 # Copyright (c) 1991-1999 University of Maryland at College Park
7 # Permission to use, copy, modify, distribute, and sell this software and its
8 # documentation for any purpose is hereby granted without fee, provided that
9 # the above copyright notice appear in all copies and that both that
10 # copyright notice and this permission notice appear in supporting
11 # documentation, and that the name of U.M. not be used in advertising or
12 # publicity pertaining to distribution of the software without specific,
13 # written prior permission. U.M. makes no representations about the
14 # suitability of this software for any purpose. It is provided "as is"
15 # without express or implied warranty.
17 # U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
19 # BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
20 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
21 # OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 # Author: Jean-Christian SIMONETTI, System and Network Engineer
26 # Sophia Antipolis, France
28 # This changer script is based on a directory structure like:
36 # where 'slot_root_dir' is the tapedev 'file:xxx' parameter and 'n'
37 # is the tapecycle parameter.
39 # To use this driver, just put the line 'tpchanger "chg-disk"' in your
44 # tapedev "file:/BACKUP2/slots/"
45 # rawtapedev "file:/BACKUP2/slots/"
46 # changerdev "/dev/null"
47 # tpchanger "chg-disk"
48 # changerfile "/usr/local/amanda/etc/changer"
50 # define tapetype HARD-DISK {
55 # The number of slot is equal to your tapecyle.
56 # You must create the slots and data directory.
61 exec_prefix=@exec_prefix@
63 libexecdir=@libexecdir@
65 PATH=$sbindir:$libexecdir:/usr/bin:/bin:/usr/sbin:/sbin:/usr/ucb:/usr/local/bin
68 USE_VERSION_SUFFIXES="@USE_VERSION_SUFFIXES@"
69 if test "$USE_VERSION_SUFFIXES" = "yes"; then
77 TAPE=`amgetconf$SUF tapedev`
78 SLOTDIR=`echo $TAPE | sed 's/^file://'`
81 # should be exactly one arg
82 [ $# = 1 ] || return 1
83 # if arg is null, no expr needed
84 [ "${1}" = '' ] && return 1
85 # expr will return 0 on match
86 expr "$1" : '[0-9][0-9]*$' > /dev/null 2>&1
89 # need rwx access to directory of changer file
90 CHANGERFILE=`amgetconf$SUF changerfile`
91 CFDir=`dirname ${CHANGERFILE}`
92 [ -d ${CFDir} -a -r ${CFDir} -a -w ${CFDir} -a -x ${CFDir} ] ||
93 { echo "$MYNAME: need 'rwx' access to '$CFDir'" ; exit 2 ; }
95 # check or create changer metadata files
96 ACCESSFILE=$CHANGERFILE-access
97 [ -f $ACCESSFILE -a -r $ACCESSFILE -a -w $ACCESSFILE ] ||
98 echo 0 > $ACCESSFILE ||
99 { echo "$MYNAME: could not access or create '$ACCESSFILE'" ; exit 2 ; }
100 CLEANFILE=$CHANGERFILE-clean
101 [ -f $CLEANFILE -a -r $CLEANFILE -a -w $CLEANFILE ] ||
102 echo 0 > $CLEANFILE ||
103 { echo "$MYNAME: could not access or create '$CLEANFILE'" ; exit 2 ; }
104 SLOTFILE=$CHANGERFILE-slot
105 [ -f $SLOTFILE -a -r $SLOTFILE -a -w $SLOTFILE ] ||
106 echo 0 > $SLOTFILE ||
107 { echo "$MYNAME: could not access or create '$SLOTFILE'" ; exit 2 ; }
109 # read and check metadata
110 ACCESSCOUNT=`cat $ACCESSFILE`
111 isinteger $ACCESSCOUNT || { ACCESSCOUNT=0 ; echo 0 > $ACCESSFILE ; }
112 CLEANCOUNT=`cat $CLEANFILE`
113 isinteger $CLEANCOUNT || { CLEANCOUNT=0 ; echo 0 > $CLEANFILE ; }
116 LASTSLOT=`amgetconf$SUF tapecycle`
122 # unload should have been called, but just in case ...
123 [ -h $SLOTDIR/data ] && unload
124 ln -s $SLOTDIR/slot$WHICHSLOT $SLOTDIR/data
125 echo $WHICHSLOT > $SLOTFILE
134 CURSLOT=`cat $SLOTFILE`
140 TYPE=string # default if not numeric
141 isinteger $WHICHSLOT && TYPE=digit
145 if [ $WHICHSLOT = "current" ]; then
146 if [ $CURSLOT -le 0 ]; then
148 echo "$FIRSTSLOT $TAPE"
151 echo "$CURSLOT $TAPE"
154 elif [ $WHICHSLOT = "next" -o $WHICHSLOT = "advance" ]; then
155 NEWSLOT=`expr $CURSLOT + 1`
156 [ $NEWSLOT -gt $LASTSLOT ] && NEWSLOT=$FIRSTSLOT
157 elif [ $WHICHSLOT = "prev" ]; then
158 NEWSLOT=`expr $CURSLOT - 1`
159 [ $NEWSLOT -lt $FIRSTSLOT ] && NEWSLOT=$LASTSLOT
160 elif [ $WHICHSLOT = "first" ]; then
162 elif [ $WHICHSLOT = "last" ]; then
164 elif [ $TYPE = "digit" ]; then
165 if [ $WHICHSLOT -ge $FIRSTSLOT -a $WHICHSLOT -le $LASTSLOT ]; then
168 echo "0 illegal request"
171 elif [ $WHICHSLOT = "clean" ]; then
174 echo "0 illegal request"
177 if [ $NEWSLOT = $CURSLOT ]; then
178 echo "$CURSLOT $TAPE"
181 if [ $NEWSLOT = $CLEANSLOT ]; then
182 expr ${CLEANCOUNT:=0} + 1 > $CLEANFILE
185 expr ${ACCESSCOUNT:=0} + 1 > $ACCESSFILE
186 if [ $ACCESSCOUNT -gt $LASTSLOT ]; then
187 $MYNAME -slot clean >/dev/null
192 if [ $CURSLOT -ne 0 ]; then
196 if [ $WHICHSLOT = "advance" ]; then
197 echo "$NEWSLOT /dev/null"
201 echo "$NEWSLOT $TAPE"
207 echo "$CURSLOT $LASTSLOT $FIRSTSLOT"
213 [ $CURSLOT -gt 0 ] && unload
215 echo "$FIRSTSLOT $tape"
221 if [ $CURSLOT -le 0 ]; then
222 echo "0 Drive was not loaded"
232 while [ $# -ge 1 ];do
279 echo "Unknown option $1"