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cache_dump(8)               System Manager's Manual              cache_dump(8)

NAME
       cache_dump  -  dump cache metadata from device or file to standard out-
       put.

SYNOPSIS
       cache_dump [options] {device|file}

DESCRIPTION
       cache_dump dumps binary cache metadata  created  by  the  device-mapper
       cache  target  on  a  device or file to standard output for analysis or
       postprocessing in XML format. XML formatted metadata can  be  fed  into
       cache_restore  in  order  to  put  it  back  onto a metadata device (to
       process by the device-mapper target), or file.

       This tool cannot be run on live metadata.

OPTIONS
       -h, --help
              Print help and exit.

       -V, --version
              Print version information and exit.

       -r, --repair
              Repair the metadata whilst dumping it.

       -o {xml file}
              Specify an output file for the xml, rather than printing to std-
              out.

EXAMPLES
       Dumps the cache metadata on logical volume /dev/vg/metadata to standard
       output in XML format:

           $ cache_dump /dev/vg/metadata

       Dumps the cache metadata on logical volume /dev/vg/metadata whilst  re-
       pairing it to standard output in XML format:

           $ cache_dump --repair /dev/vg/metadata

DIAGNOSTICS
       cache_dump returns an exit code of 0 for success or 1 for error.

SEE ALSO
       cache_check(8), cache_repair(8), cache_restore(8)

AUTHOR
       Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>

System Manager's Manual       Device Mapper Tools                cache_dump(8)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | DIAGNOSTICS | SEE ALSO | AUTHOR