Manpages - thin_rmap.8

Table of Contents

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@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>

Author: dt

Created: 2022-02-20 Sun 09:58