Manpages - thin_repair.8

*thin_repair *- repair thin provisioning binary metadata.

  thin_repair [options] -i {device|file} -o {device|file}

thin_repair reads binary thin provisioning metadata created by the respective device-mapper target from one device or file, repairs it and writes it to different device or file. If written to a metadata device, the metadata can be processed by the device-mapper target.

This tool cannot be run on live metadata.

-h, –help

Print help and exit.

-V, –version

Print version information and exit.

-i, –input {device|file}

Input file or device with binary data.

-o, –output {device|file}

Output file or device for binary data.

      If a file is used for output, then it must be preallocated, and large
      enough to hold the metadata.

–transaction-id {natural}

Override the transaction id given in the input xml.

–data-block-size {natural}

Override the data block size given in the input xml.

–nr-data-blocks {natural}

Override the nr data blocks given in the input xml.

Reads the binary thin provisioning metadata from file metadata, repairs it and writes it to logical volume /dev/vg/metadata for further processing by the respective device-mapper target:

      $ thin_repair -i metadata -o /dev/vg/metadata

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

thin_dump(8), thin_check(8), thin_restore(8), thin_rmap(8), thin_metadata_size(8)

Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>