cache_dump(8) | System Manager's Manual | cache_dump(8) |
cache_dump - dump cache metadata from device or file to standard output.
cache_dump [options] {device|file}
cache_dump dumps binary cache metadata created by the device-mapper cache target on a device or file to standard output for analysis or postprocessing in XML format. XML formatted metadata can be fed into cache_restore in order to put it back onto a metadata device (to process by the device-mapper target), or file.
This tool cannot be run on live metadata.
Dumps the cache metadata on logical volume /dev/vg/metadata to standard output in XML format:
Dumps the cache metadata on logical volume /dev/vg/metadata whilst repairing it to standard output in XML format:
$ cache_dump /dev/vg/metadata
$ cache_dump --repair /dev/vg/metadata
cache_dump returns an exit code of 0 for success or 1 for error.
Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>
Device Mapper Tools | System Manager's Manual |