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NAME

       voldump - Dump an AFS volume without using the Volume Server

SYNOPSIS

       voldump -part <partition> -volumeid <volume id>
           [-file <dump file>] [-verbose] [-help]

       voldump -p <partition> -vo <volume id>
           [-f <dump file>] [-ve] [-h]

DESCRIPTION

       voldump dumps an AFS volume in the format used by vos dump without using the Volume
       Server.  It must be run on the file server machine and usually must be run as the
       superuser "root" to have permissions to read the file server data.  It's primary use is to
       recover data from a file server machine where the Volume Server cannot be started for some
       reason.

       The dump output will go to standard output, or to a file if -file is specified.  vos
       restore can be used to load the resulting dump into a new AFS volume.  voldump always does
       a full dump.

CAUTIONS

       Normally, use vos dump instead of this command.  voldump is a tool of last resort to try
       to extract data from the raw data structures stored on the file server machine and is not
       as regularly tested or used as the normal vos dump implementation.

       If the AFS volume being dumped changes while voldump is running, the results may be
       inconsistent.  If the File Server and Volume Server are running, stop them with bos
       shutdown or a similar method before running this command.

OPTIONS

       -part <partition>
           Names the partition on which the volume to be dumped is located.  voldump does not
           take the normal full range of ways of specifying a partition.  Instead, partition must
           be either a single letter between "a" and "z", corresponding to /vicepa through
           /vicepz, or the full path to the file server partition.  "aa" is not recognized; use
           /vicepaa instead.

       -volumeid <volume id>
           Specifies the ID of the volume to dump.  The volume must be specified by numeric ID,
           not by name.

       -file <dump file>
           Specifies the output file for the dump.  If this option is not given, the volume will
           be dumped to standard output.

       -verbose
           Asks for a verbose trace of the dump process.  This trace information will be sent to
           standard error.

EXAMPLES

       The following command dumps the volume 1936964939 on the /vicepb partition to the file
       /tmp/volume.dump:

           % voldump -part /vicepb -volumeid 1936964939 -file /tmp/volume.dump

PRIVILEGE REQUIRED

       The issuer must have read access to the file server data stored in the specified
       partition.  Usually, this means that the issuer must be the local superuser "root" on the
       file server machine.

SEE ALSO

       bos_shutdown(8), restorevol(1), volserver(8), vos_dump(1), vos_restore(1)

COPYRIGHT

       Copyright 2005 Russ Allbery <rra@stanford.edu>

       This documentation is covered by the IBM Public License Version 1.0.  This man page was
       written by Russ Allbery for OpenAFS.