Manpages - thin_rmap.8
Table of Contents
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), thin_dump(8), thin_repair(8), thin_restore(8), thin_metadata_size(8)
AUTHOR
Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>