CACHE_DUMP(8) CACHE_DUMP(8)

NAME cache_dump - dump cache metadata from device or file to standard output

SYNOPSIS cache_dump [options] {device|file}

DESCRIPTION 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 formated metadata can be fed into cache_restore (see cache_restore(8)) 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.

-r, --repair Repair the metadata whilst dumping it.

-h, --help Print help and exit.

-V, --version Output version information and exit.

EXAMPLES Dumps the cache metadata on logical volume /dev/vg/metadata to standard output in XML format:

cache_dump /dev/vg/metadata

EXAMPLES Dumps the cache metadata on logical volume /dev/vg/metadata whilst repairing it to standard output in XML format:

cache_dump --repair /dev/vg/metadata

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

SEE ALSO cache_check(8) cache_repair(8) cache_restore(8)

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

Red Hat, Inc. Thin Provisioning Tools CACHE_DUMP(8)