SYNOPSIS
era_invalidate [options] {device|file}
DESCRIPTION
era_invalidate Examines era metadata and lists blocks that may have changed since a given era.This tool cannot be run on live metadata unless the --metadata-snap option is used.
OPTIONS
- -h, --help
-
Print help and exit.
- -V, --version
-
Output version information and exit.
- -o <output file>
-
Write output to a file rather than
stdout
EXAMPLE
List the blocks that may have been written since the beginning of era 13 on the metadata device /dev/vg/metadata.era_invalidate --written-since 13 /dev/vg/metadata
The device may not be actively used by the target when running.
DIAGNOSTICS
era_invalidate returns an exit code of 0 for success or 1 for error (eg, metadata corruption).