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11 <refentry id='amdump.8'>
14 <refentrytitle>amdump</refentrytitle>
15 <manvolnum>8</manvolnum>
21 <refname>amdump</refname>
22 <refpurpose>back up all disks in an Amanda configuration</refpurpose>
28 <!-- body begins here -->
31 <command>amdump</command>
32 <arg choice='plain'><replaceable>config</replaceable></arg>
33 <arg choice='opt'><option>--no-taper</option></arg>
34 <arg choice='opt' rep='repeat'>
35 <arg choice='plain'><replaceable>host</replaceable></arg>
36 <arg choice='opt' rep='repeat'><replaceable>disk</replaceable></arg>
38 &configoverride.synopsis;
43 <refsect1><title>DESCRIPTION</title>
44 <para><emphasis remap='B'>Amdump</emphasis>
45 is the main interface to the Amanda backup process. It loads the specified configuration
46 and attempts to back up every disk specified by the
48 <emphasis remap='B'>Amdump</emphasis>
50 <emphasis remap='B'>cron</emphasis>.</para>
52 <para>The command optionally takes a set of DLE specifications
54 name="amanda-match" vol="7"/>) to narrow the DLEs that will be dumped.
55 All disks are dumped if no expressions are given.</para>
57 <para>If a file named <filename>hold</filename> exists in the configuration directory,
58 <command>amdump</command>
59 will wait until it is removed before starting the backups.
60 This allows scheduled backups to be delayed when circumstances warrant, for example,
61 if the tape device is being used for some other purpose.
63 <command>amdump</command>
64 checks for the hold file every minute.</para>
66 <para>In some cases it is desirable to dump all Amanda clients to holding disk
67 without writing anything to storage media. The <option>--no-taper</option>
68 option instructs Amanda to not start the taper, and thus enter degraded mode
72 <manref name="amanda" vol="8"/>
73 man page for more details about Amanda.</para>
76 <refsect1><title>OPTIONS</title>
77 <variablelist remap='TP'>
80 <term><replaceable>host</replaceable> [<replaceable>disk</replaceable>]*</term>
82 <para>Specify the host and disk on which the command will work -- see
83 the description of DLE specifications in <manref name="amanda-match" vol="7"/>. </para>
87 &configoverride.varlistentry;
92 <refsect1><title>EXAMPLE</title>
93 <para>Here is a typical crontab entry. It runs
94 <command>amdump</command>
95 every weeknight at 1 a.m. as user
96 <emphasis remap='B'>bin</emphasis>:</para>
99 0 1 * * 1-5 bin /usr/local/sbin/amdump daily
103 <manref name="crontab" vol="5"/>
105 <manref name="crontab" vol="1"/>
106 manual page for the correct crontab format for your system.</para>
109 <refsect1><title>MESSAGES</title>
110 <variablelist remap='TP'>
112 <term>amdump: waiting for hold file to be removed</term>
114 <para>The "hold" file exists and &amdump; is waiting for it to be removed
115 before starting backups.</para>
119 <term>amdump: amdump or amflush is already running, or you must run amcleanup</term>
121 <para>Amdump detected another &amdump; or &amflush; running,
122 or the remains of a previous incomplete &amdump; or &amflush; run.
123 This run is terminated.
124 If the problem is caused by the remains of a previous run,
126 <manref name="amcleanup" vol="8"/>
128 <command>amdump</command>.</para>
134 <refsect1><title>EXIT CODE</title>
135 The exit code of <command>amdump</command> is the ORed value of:
139 2 = a dle give strange message
141 8 = Don't know the status of a dle (RESULT_MISSING in the report)
142 16 = tape error or no more tape
147 <manref name="amcheck" vol="8"/>,
148 <manref name="amcleanup" vol="8"/>,
149 <manref name="amrestore" vol="8"/>,
150 <manref name="amflush" vol="8"/>,
151 <manref name="cron" vol="8"/>
152 <manref name="amanda-match" vol="7"/>