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
- -q, --quiet
-
Suppress output messages, return only exit code.
- -h, --help
-
Print help and exit.
- -V, --version
-
Output version information and exit.
- --super-block-only
-
Only check the superblock is present.
era_check will return a non-zero exit code if it finds a fatal error. If any errors are discovered use era_repair to correct.
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.