CACHE_REPAIR(8) System Manager's Manual CACHE_REPAIR(8)NAME
cache_repair - repair cache binary metadata from device/file to device/file
SYNOPSIS
cache_repair [options] -i {device|file} -o {device|file}
DESCRIPTION
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.
-i, --input {device|file}
Input file or device with binary metadata.
-o, --output {device|file}
Output file or device for repaired binary metadata.
-h, --help
Print help and exit.
-V, --version
Output version information and exit.
EXAMPLE
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
DIAGNOSTICS
cache_repair returns an exit code of 0 for success or 1 for error.
SEE ALSO cache_dump(8)cache_check(8)cache_restore(8)AUTHOR
Joe Thornber <ejt@redhat.com>
Heinz Mauelshagen <HeinzM@RedHat.com>
Red Hat, Inc. Thin Provisioning Tools CACHE_REPAIR(8)
Check Out this Related Man Page
CACHE_CHECK(8) System Manager's Manual CACHE_CHECK(8)NAME
cache_check - repair cache metadata on device or file
SYNOPSIS
cache_check [options] {device|file}
DESCRIPTION
cache_check checks cache metadata created by the device-mapper cache target on a device or file.
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.
--skip-mappings
Skip checking of the block mappings which make up the bulk of the metadata.
--skip-hints
Skip checking of the policy hint values metadata.
--skip-discards
Skip checking of the discard bits in the metadata.
EXAMPLE
Analyses and repairs cache metadata on logical volume /dev/vg/metadata:
cache_check /dev/vg/metadata
The device may not be actively used by the target when running.
DIAGNOSTICS
cache_check returns an exit code of 0 for success or 1 for error.
SEE ALSO cache_dump(8)cache_repair(8)cache_restore(8)AUTHOR
Joe Thornber <ejt@redhat.com>
Heinz Mauelshagen <HeinzM@RedHat.com>
Red Hat, Inc. Thin Provisioning Tools CACHE_CHECK(8)
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