CACHE_CHECK(8) System Manager's Manual CACHE_CHECK(8)
NAME
cache_check - repair cache metadata on device or file
SYNOPSIS
cache_check [options] {device|file}
DESCRIPTION
cache_check checks cache metadata created by the device-mapper cache target on a device or file.
OPTIONS
-q, --quiet
Suppress output messages, return only exit code.
-h, --help
Print help and exit.
-V, --version
Output version information and exit.
--super-block-only
Only check the superblock is present.
--skip-mappings
Skip checking of the block mappings which make up the bulk of the metadata.
--skip-hints
Skip checking of the policy hint values metadata.
--skip-discards
Skip checking of the discard bits in the metadata.
EXAMPLE
Analyses and repairs cache metadata on logical volume /dev/vg/metadata:
cache_check /dev/vg/metadata
The device may not be actively used by the target when running.
DIAGNOSTICS
cache_check returns an exit code of 0 for success or 1 for error.
SEE ALSO
cache_dump(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_CHECK(8)