NAME¶

cache_repair - repair cache binary metadata from device/file to device/file

SYNOPSIS¶

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

DESCRIPTION¶

cache_repair reads binary cache metadata created by the respective device-mapper target from one device or file , repairs it and writes it to another 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.

-i, --input {device|file}

Input file or device with binary metadata.

-o, --output {device|file}

Output file or device for repaired binary metadata.

-h, --help

Print help and exit.

-V, --version

Output version information and exit.

EXAMPLE¶

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

cache_repair -i metadata -o /dev/vg/metadata

DIAGNOSTICS¶

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

SEE ALSO¶

cache_dump(8) cache_check(8) cache_restore(8)

AUTHOR¶

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