thin-provisioning-tools/man8/thin_rmap.8

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.TH THIN_RMAP(g 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
.SH NAME
thin_rmap \- output reverse map of a thin provisioned region of blocks from metadata device or file
.SH SYNOPSIS
.B thin_rmap
.RB [options]
.I {device|file}
.SH DESCRIPTION
.B thin_rmap
outputs the reverse mapping stored in the metadata on a
.I device
or
.I file
between a region of thin provisioned pool blocks
and the associated thin provisioned devices.
This tool cannot be run on live metadata.
.IP "\fB\\-\-region\fP \fI<block range>\fP".
output reverse map
.IP "\fB\-h, \-\-help\fP".
Print help and exit.
.IP "\fB\-V, \-\-version\fP".
Output version information and exit.
.SH EXAMPLES
output reverse map for pool blocks 5..45 (denotes blocks 5 to 44 inclusive, but not block 45)
.sp
.B thin_rmap --region 5..45 /dev/pool-metadata
.SH DIAGNOSTICS
.B thin_rmap
returns an exit code of 0 for success or 1 for error.
.SH SEE ALSO
.B thin_check(8)
.B thin_dump(8)
.B thin_repair(8)
.B thin_restore(8)
.B thin_metadata_size(8)
.SH AUTHOR
Joe Thornber <ejt@redhat.com>
.br
Heinz Mauelshagen <HeinzM@RedHat.com>