# thin_rmap - output reverse map of a thin provisioned region of blo... - man(8) - [phpMan]

[_thin_rmap_(8)](https://www.chedong.com/phpMan.php/man/thinrmap/8/markdown)                           System Manager's Manual                          [_thin_rmap_(8)](https://www.chedong.com/phpMan.php/man/thinrmap/8/markdown)

## 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)](https://www.chedong.com/phpMan.php/man/thincheck/8/markdown), [**thin_dump**(8)](https://www.chedong.com/phpMan.php/man/thindump/8/markdown), [**thin_repair**(8)](https://www.chedong.com/phpMan.php/man/thinrepair/8/markdown), [**thin_restore**(8)](https://www.chedong.com/phpMan.php/man/thinrestore/8/markdown), [**thin_metadata_size**(8)](https://www.chedong.com/phpMan.php/man/thinmetadatasize/8/markdown)

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

System Manager's Manual                  Device Mapper Tools                            [_thin_rmap_(8)](https://www.chedong.com/phpMan.php/man/thinrmap/8/markdown)
