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>
