era_check (8) - Linux Man Pages

era_check: validate era metadata on device or file.

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.

AUTHOR

Joe Thornber <ejt [at] redhat.com>

SEE ALSO

era_dump(8), era_restore(8), era_invalidate(8)