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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

       the bos_shutdown(8) manpage, the volserver(8) manpage, the vos_dump(1)
       manpage, the vos_restore(1) manpage

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.