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>