thin_rmap(8) 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.

\--region <block range>.
output reverse map

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

-V, --version.
Output version information and exit.

EXAMPLES

output reverse map for pool blocks 5..45 (denotes blocks 5 to 44 inclusive, but not block 45)

thin_rmap --region 5..45 /dev/pool-metadata

DIAGNOSTICS

thin_rmap returns an exit code of 0 for success or 1 for error.

AUTHOR

Joe Thornber <[email protected]>
Heinz Mauelshagen <[email protected]>