Issues restoring a large dump file

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Issues restoring a large dump file

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LEARN ABOUT DEBIAN

amfetchdump

AMFETCHDUMP(8)						  System Administration Commands					    AMFETCHDUMP(8)

NAME

       amfetchdump - extract backup images from multiple Amanda tapes.

SYNOPSIS

       amfetchdump [-c|-C|-L] [-p|-n] [-a] [-O directory] [-d device] [-h] [--header-file filename] [--header-fd fd] [-o configoption...] config
		   hostname [disk [ date [ level [ hostname [...] ] ] ]]

DESCRIPTION

       Amfetchdump pulls one or more matching dumps from tape or from the holding disk, handling the reassembly of multi-tape split dump files as
       well as any tape autochanger operations.

       It will automatically use the Amanda catalog to locate available dumps on tape, in the same way that the find feature of amadmin(8) lists
       available dumps.

       The hostname, diskname, datestamp, and level dump specifications are further described in amanda-match(7). Note that at minimum a hostname
       must be specified.

       Unless -p is used, backup images are extracted to files in the current directory named:

       If a changer error occurs, or the -d option is given, then amfetchdump prompts for each required volume.

       hostname.diskname.datestamp.dumplevel

OPTIONS

       -p
	   Pipe exactly one complete dump file to stdout, instead of writing the file to disk. This will restore only the first matching dumpfile
	   (where "first" is determined by the dump log search facility).

       -h
	   Output the amanda header as a 32K block to same output as the image.

       --header-fd fd
	   Output the amanda header to the numbered file descriptor.

       --header-file filename
	   Output the amanda header to the filename.

       -d device_or_changer
	   Restore from this device or changer instead of the default, prompting for each volume.

       -O directory
	   Output restored files to this directory, instead of to the current working directory.

       -c
	   Compress output, fastest method available.

       -C
	   Compress output, smallest file size method available.

       -l
	   Leave dumps in the compressed/uncompressed state in which they were found on tape. By default, amfetchdump will automatically
	   uncompress when restoring.

       -a
	   Assume that all tapes are already available, via tape changer or otherwise, instead of prompting the operator to ensure that all tapes
	   are loaded.

       -n
	   Do not reassemble split dump files at all, just restore each piece as an individual file.

       -o configoption
	   See the "CONFIGURATION OVERRIDE" section in amanda(8).

EXAMPLES

       All the examples here assume your configuration is called SetA.

       Here's a simple case, restoring all known dumps of the host vanya to the current working directory.
       $ amfetchdump SetA vanya

       A more likely scenario involves restoring a particular dump from a particular date. We'll pipe this one to GNU-tar as well, to
       automatically extract the dump.
       $ amfetchdump -p SetA vanya /home 20051020 | gtar -xvpf -

CAVEATS

       Amfetchdump is dependent on accessing your server's config, tape changer, and (normally) dump logs. As such, it's not necessarily the most
       useful tool when those have all been wiped out and you 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 amrestore(8) or dd(8) instead.

SEE ALSO

       amanda(8), amanda-match(7), amadmin(8), amrestore(8)

       The Amanda Wiki: : http://wiki.zmanda.com/

AUTHORS

       John Stange <building@nap.edu>
	   National Academies Press

       Ian Turner <ian@zmanda.com>
	   Zmanda, Inc. (http://www.zmanda.com)

Amanda 3.3.1							    02/21/2012							    AMFETCHDUMP(8)

Red Hat