era_check(8) System Manager's Manual era_check(8)
NAME
era_check - validate era metadata on device or file.
SYNOPSIS
era_check [options] {device|file}
DESCRIPTION
era_check checks era metadata created by the device-mapper era target
on a device or file.
This tool cannot be run on live metadata.
OPTIONS
-h, --help
Print help and exit.
-V, --version
Print version information and exit.
-q, --quiet
Suppress output messages, return only exit code.
--super-block-only
Only check the superblock is present.
EXAMPLE
Analyse thin provisioning metadata on logical volume /dev/vg/metadata:
$ era_check /dev/vg/metadata
The device may not be actively used by the target when running.
DIAGNOSTICS
era_check returns an exit code of 0 for success or 1 for error.
SEE ALSO
era_dump(8), era_restore(8), era_invalidate(8)
AUTHOR
Joe Thornber <ejt@redhat.com>
System Manager's Manual Device Mapper Tools era_check(8)
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