1thin_delta(8) System Manager's Manual thin_delta(8)
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6 thin_delta - Print the differences in the mappings between two thin
7 devices.
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10 thin_delta [options] {device|file}
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13 thin_delta allows you to compare the mappings in two thin volumes
14 (snapshots allow common blocks between thin volumes).
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16 This tool cannot be run on live metadata unless the --metadata-snap
17 option is used.
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20 --thin1, --snap1 {natural}
21 The numeric identifier for the first thin volume to diff.
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23 --thin2, --snap2 {natural}
24 The numeric identifier for the second thin volume to diff.
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26 --metadata-snap [block nr]
27 Use a metadata snapshot.
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29 If you want to get information out of a live pool then you will need to
30 take a metadata snapshot and use this switch. In order for the information
31 to be meaningful, you need to ensure the thin volumes you're examining are
32 not changing (ie, do not activate those thins).
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35 --verbose
36 Provide extra information on the mappings.
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38 -h, --help
39 Print help and exit.
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41 -V, --version
42 Output version information and exit.
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45 thin_dump(8), thin_repair(8), thin_restore(8), thin_rmap(8), thin_meta‐
46 data_size(8)
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49 Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <heinzm@redhat.com>
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53System Manager's Manual Device Mapper Tools thin_delta(8)