era_check - validate era metadata on device or file.

       Joe Thornber <ejt@redhat.com>

System Manager's Manual                        Device Mapper Tools                                  era_check(8)

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.

era_check returns an exit code of 0 for success or 1 for error.

       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.

era_check - validate era metadata on device or file.

-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.

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

era_check [options] {device|file}