cache_dump(8)

1CACHE_DUMP(8)               System Manager's Manual              CACHE_DUMP(8)
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NAME

6       cache_dump - dump cache metadata from device or file to standard output
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SYNOPSIS

10       cache_dump [options] {device|file}
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DESCRIPTION

14       cache_dump  dumps  binary  cache  metadata created by the device-mapper
15       cache target on a device or file to standard  output  for  analysis  or
16       postprocessing  in  XML  format.  XML formated metadata can be fed into
17       cache_restore (see cache_restore(8)) in order to put  it  back  onto  a
18       metadata device (to process by the device-mapper target) or file.
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20       This tool cannot be run on live metadata.
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23       -r, --repair
24       Repair the metadata whilst dumping it.
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27       -h, --help
28       Print help and exit.
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31       -V, --version
32       Output version information and exit.
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EXAMPLES

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

43       Dumps the cache metadata  on  logical  volume  /dev/vg/metadata  whilst
44       repairing it to standard output in XML format:
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46       cache_dump --repair /dev/vg/metadata
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DIAGNOSTICS

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

58       Joe Thornber <ejt@redhat.com>
59       Heinz Mauelshagen <HeinzM@RedHat.com>
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63Red Hat, Inc.               Thin Provisioning Tools              CACHE_DUMP(8)