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CACHE_REPAIR

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 AT redhat DOT com>
Heinz Mauelshagen <HeinzM AT RedHat DOT com>

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