era_check man page

era_check ā€” 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>

Referenced By

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

Device Mapper Tools System Manager's Manual