THIN_CHECK
NAMESYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLE
DIAGNOSTICS
SEE ALSO
AUTHOR
NAME
thin_check − repair thin provisioning metadata on device or file
SYNOPSIS
thin_check [options] {device|file}
DESCRIPTION
thin_check checks thin provisioning metadata created by the device-mapper thin provisioning 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.
−−ignore−non−fatal−errors
thin_check will only return a non-zero exit code if it finds a fatal error. An example of a on fatal error is an incorrect data block reference count causing a block to be considered allocated when it in fact isn’t. Ignoring errors for a long time is not advised, you really should be using thin_repair to fix them.
EXAMPLE
Analyses and repairs thin provisioning metadata on logical volume /dev/vg/metadata:
thin_check /dev/vg/metadata
The device may not be actively used by the target when running.
DIAGNOSTICS
thin_check returns an exit code of 0 for success or 1 for error.
SEE ALSO
thin_dump(8) thin_repair(8) thin_restore(8) thin_rmap(8) thin_metadata_size(8)
AUTHOR
Joe Thornber
<ejt@redhat.com>
Heinz Mauelshagen <HeinzM@RedHat.com>
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