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.TH thin_trim 8 "Device Mapper Tools" "System Manager's Manual"
.SH NAME
\fBthin_trim \fP- Issue discard requests for free pool space (offline tool).
\fB
.SH SYNOPSIS
.nf
.fam C
\fBthin_trim\fP [\fIoptions\fP] \fB--metadata-dev\fP {device|file} \fB--data-dev\fP {device|file}

.fam T
.fi
.fam T
.fi
.SH DESCRIPTION
\fBthin_trim\fP sends discard requests to the pool device for unprovisioned areas.
.PP
This tool cannot be run on live metadata.
.SH OPTIONS
.TP
.B
\fB-h\fP, \fB--help\fP
Print help and exit.
.TP
.B
\fB-V\fP, \fB--version\fP
Print version information and exit.
.SH SEE ALSO
\fBthin_dump\fP(8), \fBthin_repair\fP(8), \fBthin_restore\fP(8), \fBthin_rmap\fP(8), \fBthin_metadata_size\fP(8)
.SH AUTHOR
Joe Thornber <ejt@redhat.com>