"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"
[
<!-- entities files to use -->
- <!ENTITY % global_entities SYSTEM '../entities/global.entities'>
+ <!ENTITY % global_entities SYSTEM 'global.entities'>
%global_entities;
]>
<refmeta>
<refentrytitle>amfetchdump</refentrytitle>
<manvolnum>8</manvolnum>
+&rmi.source;
+&rmi.version;
+&rmi.manual.8;
</refmeta>
<refnamediv>
<refname>amfetchdump</refname>
-<refpurpose>extract backup images from multiple &A; tapes.</refpurpose>
+<refpurpose>extract backup images from multiple Amanda tapes.</refpurpose>
</refnamediv>
+<refentryinfo>
+&author.jstange;
+&author.ian;
+</refentryinfo>
<!-- body begins here -->
<refsynopsisdiv>
<cmdsynopsis>
<command>amfetchdump</command>
- <arg choice='opt'>-pcClawns</arg>
+ <arg choice='opt'>-phcClawns</arg>
<arg choice='opt'>-d <replaceable>device</replaceable></arg>
<arg choice='opt'>-O <replaceable>directory</replaceable></arg>
- <arg choice='opt'>-i <replaceable>logfile</replaceable></arg>
<arg choice='opt'>-b <replaceable>blocksize</replaceable></arg>
+ <arg choice='opt'>--header-fd <replaceable>fd</replaceable></arg>
+ <arg choice='opt'>--header-file <replaceable>filename</replaceable></arg>
+ <arg choice='plain' rep='repeat'><group><arg choice='plain'>-o </arg><replaceable>configoption</replaceable></group></arg>
<arg choice='plain'><replaceable>config</replaceable></arg>
<arg choice='plain'><replaceable>hostname</replaceable></arg>
<arg choice='opt'>
</arg>
</arg>
</arg>
- <arg choice='plain' rep='repeat'><group><arg choice='plain'>-o </arg><replaceable>configoption</replaceable></group></arg>
</cmdsynopsis>
</refsynopsisdiv>
handling the reassembly of multi-tape split dump files as well as any
tape autochanger operations.</para>
-<para>It will automatically use the logs created by
-<citerefentry><refentrytitle>amdump</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+<para>It will automatically use the Amanda catalog
to locate available dumps on tape, in the same way that the <emphasis
remap='B'>find</emphasis> feature of
-<citerefentry><refentrytitle>amadmin</refentrytitle><manvolnum>8</manvolnum></citerefentry>
-lists available dumps. If these logs are unavailable, it can search
-tape-by-tape to find what it needs, and can generate new logs to serve
-as an emergency tape inventory.</para>
+<manref name="amadmin" vol="8"/>
+lists available dumps.</para>
<para>The
<emphasis remap='I'>hostname</emphasis>,
<emphasis remap='I'>diskname</emphasis>,
<emphasis remap='I'>datestamp</emphasis>,
and
-<emphasis remap='I'>level</emphasis> dump pattern-matching works as in
-<citerefentry><refentrytitle>amrestore</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-with the added requirement that at minimum a <emphasis
-remap='I'>hostname</emphasis> must be specified when not in inventory mode.</para>
+<emphasis remap='I'>level</emphasis> dump specifications are further described in
+<manref name="amanda-match" vol="7"/>.
+Note that at minimum a <emphasis remap='I'>hostname</emphasis> must be specified.</para>
-<para>Unless
-<option>-p</option>
+<para>Unless <option>-p</option>
is used, backup images are extracted to files in the current directory named:</para>
+<para>If a changer error occurs, or the <option>-d</option> option is given,
+then amfetchdump prompts for each required volume.</para>
+
<!-- .RS -->
<para><emphasis remap='I'>hostname.diskname.datestamp.dumplevel</emphasis></para>
<!-- .RE -->
facility).</para></listitem>
</varlistentry>
<varlistentry>
- <term><option>-d</option> <replaceable>device</replaceable></term>
-<listitem><para> Restore from this tape device instead of the default.</para></listitem>
+ <term><option>-h</option></term>
+<listitem><para>Output the amanda header as a 32K block to same output as the image.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--header-fd</option> <replaceable>fd</replaceable></term>
+<listitem><para>Output the amanda header to the numbered file
+ descriptor.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--header-file</option> <replaceable>filename</replaceable></term>
+<listitem><para>Output the amanda header to the filename.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>-d</option> <replaceable>device_or_changer</replaceable></term>
+ <listitem><para> Restore from this device or changer instead of the default,
+prompting for each volume.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-O</option>
otherwise, instead of prompting the operator to ensure that all tapes
are loaded.</para></listitem>
</varlistentry>
- <varlistentry>
- <term><option>-i</option> <replaceable>filename</replaceable></term>
-<listitem><para>Generate an inventory of all dumps "seen" on the
-tapes we search, for later use as a log.</para></listitem>
- </varlistentry>
- <varlistentry>
- <term><option>-w</option></term>
-<listitem><para>Wait to put split dumps together until all chunks have been
-restored. Normally, <emphasis remap='B'>amfetchdump</emphasis> will
-attempt to read pieces of a split file from tape in order, so that it
-can assemble them simply by appending each file to the first. This
-option disables the appending behavior, and instead restores each
-piece as an individual file and reassembles them only after all have
-been restored.</para>
-
-<note><para>This requires at least double the size of your dump in free
-disk space, in order to build the final assembled dumpfile.</para>
-</note>
-
-<para>This behavior is implicitly invoked in circumstances where knowing the
-location of all dumps on tape in advance is not possible, such as when
-you are restoring without log files.</para></listitem>
- </varlistentry>
+
<varlistentry>
<term><option>-n</option></term>
<listitem><para>Do not reassemble split dump files at all, just restore each
piece as an individual file.</para></listitem>
</varlistentry>
- <varlistentry>
- <term><option>-s</option></term>
-<listitem><para>Do not fast-forward straight to needed files on tape. This will
-slow down most restores substantially. Only use this option if your
-tape drive does not properly support the fast-forward
-operation.</para></listitem>
- </varlistentry>
- <varlistentry>
- <term><option>-b</option>
- <replaceable>blocksize</replaceable></term>
-<listitem><para>Force a particular block size when reading from tapes. This
- value will usually be autodetected, and should not normally need
- to be set.</para></listitem>
- </varlistentry>
<varlistentry>
- <term><emphasis remap='B'>-o</emphasis> <replaceable>configoption</replaceable></term>
+ <term><option>-o</option> <replaceable>configoption</replaceable></term>
<listitem>
-<para>See the "<emphasis remap='B'>CONFIGURATION OVERWRITE</emphasis>"
- section in <citerefentry><refentrytitle>amanda</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+<para>See the "<emphasis remap='B'>CONFIGURATION OVERRIDE</emphasis>"
+ section in <manref name="amanda" vol="8"/>.</para>
</listitem>
</varlistentry>
<para>Here's a simple case, restoring all known dumps of the host
vanya to the current working directory.</para>
-<!-- .RS -->
-<literallayout remap='.nf'>
+<programlisting>
$ amfetchdump SetA vanya
-</literallayout> <!-- .fi -->
+</programlisting>
<para>A more likely scenario involves restoring a particular dump from
a particular date. We'll pipe this one to &gnutar; as well, to
automatically extract the dump.</para>
-<!-- .RS -->
-<literallayout remap='.nf'>
+<programlisting>
$ amfetchdump -p SetA vanya /home 20051020 | gtar -xvpf -
-</literallayout> <!-- .fi -->
+</programlisting>
-<para>In a situation where all of our dump logs have been wiped out,
-we could also use amfetchdump to inventory our tapes and recreate an
-imitation of those logs, which we'll send to <emphasis
-remap="I">stdout</emphasis> for casual perusal.
-<!-- .RS -->
-<literallayout remap='.nf'>
-$ amfetchdump -i - SetA
-</literallayout> <!-- .fi -->
-</para>
-
-<para>Note that you can specify a restore while in inventory mode, and
-<command>amfetchdump</command> will continue searching for more dumps
-from this host even after successfully restoring a dump, inventorying
-all the while. If your backup searcher has been trashed, this is a
-handy way to recover what you have.
-<!-- .RS -->
-<literallayout remap='.nf'>
-$ amfetchdump -i /var/amanda/log SetA backupserver
-</literallayout> <!-- .fi -->
-</para>
</refsect1>
<refsect1><title>CAVEATS</title>
desperately need to pull things from your tape. Pains have been taken
to make it as capable as possible, but for seriously minimialist
restores, look to
-<citerefentry><refentrytitle>amrestore</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+<manref name="amrestore" vol="8"/>
or
-<citerefentry><refentrytitle>dd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+<manref name="dd" vol="8"/>
instead.</para>
</refsect1>
-<refsect1><title>AUTHOR</title>
-<para>John Stange, &email.jstange;, National Academies Press</para>
-<para>Ian Turner, &email.itt;: XML-conversion</para>
-</refsect1>
+<seealso>
+<manref name="amanda-match" vol="7"/>,
+<manref name="amadmin" vol="8"/>,
+<manref name="amrestore" vol="8"/>,
+</seealso>
-<refsect1><title>SEE ALSO</title>
-<para><citerefentry><refentrytitle>amanda</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-<citerefentry><refentrytitle>amadmin</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-<citerefentry><refentrytitle>amrestore</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-<citerefentry><refentrytitle>tar</refentrytitle><manvolnum>1</manvolnum></citerefentry>
-<citerefentry><refentrytitle>restore</refentrytitle><manvolnum>8</manvolnum></citerefentry></para>
-</refsect1>
</refentry>
projects / debian / amanda / blobdiff