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

NAME
       thin_rmap  -  output reverse map of a thin provisioned region of blocks
       from metadata device or file.
SYNOPSIS
       thin_rmap [options] {device|file}
DESCRIPTION
       thin_rmap outputs the reverse mapping  stored  in  the  metadata  on  a
       device or file between a region of thin provisioned pool blocks and the
       associated thin provisioned devices.
       This tool cannot be run on live metadata.
OPTIONS
       -h, --help
              Print help and exit.
       -V, --version
              Print version information and exit.
       --region {block range}
              Specify range of blocks on the data device.
           At least one region must be specified.  Multiple regions may be specified.
           The range takes the format <begin>..<one past the end>.  For example,
           "5..45" specifies data blocks 5 to 44 inclusive, but not 45.

EXAMPLES
       $ thin_rmap --region 5..45 /dev/pool-metadata
DIAGNOSTICS
       thin_rmap returns an exit code of 0 for success or 1 for error.
SEE ALSO
       thin_check(8),    thin_dump(8),    thin_repair(8),     thin_restore(8),
       thin_metadata_size(8)
AUTHOR
       Joe Thornber <ejt AT redhat.com>, Heinz Mauelshagen <HeinzM AT RedHat.com>

System Manager's Manual       Device Mapper Tools                 thin_rmap(8)