Name
era_invalidate - Provide a list of blocks that have changed since a particular era.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 Print version information and exit.
-o {output file} Write output to a file rather than stdout.
--metadata-snapshot Use the metadata snapshot rather than the current superblock.
--written-since {era nr} Blocks written since the given era will be listed.
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/metadataThe 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).See Also
- era_check(8), era_dump(8), era_restore(8)