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/metadataThe 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)