thin_repair
Section: Maintenance Commands (8)
Updated: Device Mapper Tools
Page Index
NAME
thin_repair - repair thin provisioning binary metadata.
SYNOPSIS
thin_repair [options] -i {device|file} -o {device|file}
DESCRIPTION
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.
OPTIONS
- -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.
EXAMPLE
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
DIAGNOSTICS
thin_repair returns an exit code of 0 for success or 1 for error.
SEE ALSO
thin_dump(8),
thin_check(8),
thin_restore(8),
thin_rmap(8),
thin_metadata_size(8)
AUTHOR
Joe Thornber <
ejt@redhat.com>, Heinz Mauelshagen <
HeinzM@RedHat.com>