thin_rmap

Section: Maintenance Commands (8)
Updated: Device Mapper Tools
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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>


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
DIAGNOSTICS
SEE ALSO
AUTHOR
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