thin\_trim(8) System Manager's Manual thin\_trim(8)

# [NAME](#NAME)

**thin\_trim** - Issue discard requests for free pool space (offline tool).

# [SYNOPSIS](#SYNOPSIS)

```
thin_trim [options] --metadata-dev {device|file} --data-dev {device|file}
```

# [DESCRIPTION](#DESCRIPTION)

**thin\_trim** sends discard requests to the pool device for unprovisioned areas.

This tool cannot be run on live metadata.

# [OPTIONS](#OPTIONS)

[**-h, --help**](#h)

Print help and exit.

[**-V, --version**](#V)

Print version information and exit.

# [SEE ALSO](#SEE_ALSO)

[**thin\_dump**(8)](/man/enterprise-packages/thin-provisioning-tools/thin_dump.8), [**thin\_repair**(8)](/man/enterprise-packages/thin-provisioning-tools/thin_repair.8), [**thin\_restore**(8)](/man/enterprise-packages/thin-provisioning-tools/thin_restore.8), [**thin\_rmap**(8)](/man/enterprise-packages/thin-provisioning-tools/thin_rmap.8), [**thin\_metadata\_size**(8)](/man/enterprise-packages/thin-provisioning-tools/thin_metadata_size.8)

# [AUTHOR](#AUTHOR)

Joe Thornber <ejt@redhat.com>

Device Mapper Tools System Manager's Manual

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Document: thin_trim(8) from thin-provisioning-tools 1.3.4-r5 (Chainguard OS)