cache_repair - repair cache binary metadata from device/file to
device/file.
cache_repair [options] -i {device|file} -o {device|file}
cache_repair reads binary cache metadata created by the respective
device-mapper target from one device or file, repairs it and writes it to
another device or file. If written to a metadata device, the metadata can be
processed by the device-mapper target.
This tool cannot be run on live metadata.
- -h, --help
- Print help and exit.
- -V, --version
- Print version information and exit.
- -i, --input {device|file}
- Input file or device containing binary metadata.
- -o, --output {device|file}
- Output file or device for repaired binary metadata.
If a file is then it must be preallocated, and large enough to hold the
metadata.
Reads the binary cache metadata from file metadata, repairs it and writes it to
logical volume /dev/vg/metadata for further processing by the respective
device-mapper target:
$ cache_repair -i metadata -o /dev/vg/metadata
cache_repair returns an exit code of 0 for success or 1 for error.
cache_dump(8),
cache_check(8),
cache_restore(8)
Joe Thornber <
[email protected]>, Heinz Mauelshagen
<
[email protected]>