OS Manuals

/usr/bin/thin_delta

Tools for checking, repairing and dumping dm-thin, dm-cache and dm-era metadata

From thin-provisioning-tools 1.3.4-r5 (enterprise-packages), captured 2026-11-08 by running thin_delta --help (exit 0). permalink

Print the differences in the mappings between two thin devices

Usage: thin_delta [OPTIONS] <INPUT>

Arguments:
  <INPUT>  Specify the input device

Options:
  -h, --help             Print help
  -m, --metadata-snap    Use metadata snapshot
      --root1 <BLOCKNR>  The root block for the first thin volume to diff
      --root2 <BLOCKNR>  The root block for the second thin volume to diff
      --thin1 <DEV_ID>   The numeric identifier for the first thin volume to diff [alias: --snap1]
      --thin2 <DEV_ID>   The numeric identifier for the second thin volume to diff [alias: --snap2]
  -V, --version          Print version
      --verbose          Provide extra information on the mappings
Options (8)
OptionDescriptionSource
-h, --helpPrint help and exit.help + man
-m, --metadata-snapUse metadata snapshothelp
--root1 BLOCKNRThe root block for the first thin volume to diffhelp
--root2 BLOCKNRThe root block for the second thin volume to diffhelp
--thin1, --snap1 DEV_IDThe numeric identifier for the first thin volume to diff [alias: --snap1]help + man
--thin2, --snap2 DEV_IDThe numeric identifier for the second thin volume to diff [alias: --snap2]help + man
-V, --versionOutput version information and exit.help + man
--verboseProvide extra information on the mappings.help + man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.