# thin_trim - Issue discard requests for free pool space (offline to... - man(8) - [phpMan]

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

## NAME
       **thin_trim **- Issue discard requests for free pool space (offline tool).

## SYNOPSIS
       **thin_trim **[_options_] **--metadata-dev **{device|file} **--data-dev **{device|file}

## DESCRIPTION
       **thin_trim **sends discard requests to the pool device for unprovisioned areas.

       This tool cannot be run on live metadata.

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

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

## SEE ALSO
       [**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_rmap**(8)](https://www.chedong.com/phpMan.php/man/thinrmap/8/markdown), [**thin_metadata_size**(8)](https://www.chedong.com/phpMan.php/man/thinmetadatasize/8/markdown)

## AUTHOR
       Joe Thornber <<ejt@redhat.com>>

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