1thin_rmap(8) System Manager's Manual thin_rmap(8)
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6 thin_rmap - output reverse map of a thin provisioned region of blocks
7 from metadata device or file.
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10 thin_rmap [options] {device|file}
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14 thin_rmap outputs the reverse mapping stored in the metadata on a de‐
15 vice or file between a region of thin provisioned pool blocks and the
16 associated thin provisioned devices.
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18 This tool cannot be run on live metadata.
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21 -h, --help
22 Print help and exit.
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24 -V, --version
25 Print version information and exit.
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27 --region {block range}
28 Specify range of blocks on the data device.
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30 At least one region must be specified. Multiple regions may be specified.
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32 The range takes the format <begin>..<one past the end>. For example,
33 "5..45" specifies data blocks 5 to 44 inclusive, but not 45.
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37 $ thin_rmap --region 5..45 /dev/pool-metadata
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40 thin_rmap returns an exit code of 0 for success or 1 for error.
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43 thin_check(8), thin_dump(8), thin_repair(8), thin_restore(8),
44 thin_metadata_size(8)
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47 Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>
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51System Manager's Manual Device Mapper Tools thin_rmap(8)