cache_repair − repair cache binary metadata from device/file to device/file
cache_repair [options] -i {device|file} -o {device|file}
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.
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
cache_repair returns an exit code of 0 for success or 1 for error.
cache_dump(8) cache_check(8) cache_restore(8)
Joe Thornber <ejt AT redhat DOT com>
Heinz Mauelshagen <HeinzM AT RedHat DOT com>