1cache_repair(8) System Manager's Manual cache_repair(8)
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6 cache_repair - repair cache binary metadata from device/file to
7 device/file.
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10 cache_repair [options] -i {device|file} -o {device|file}
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13 cache_repair reads binary cache metadata created by the respective
14 device-mapper target from one device or file, repairs it and writes it
15 to another device or file. If written to a metadata device, the meta‐
16 data can be processed by the device-mapper target.
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18 This tool cannot be run on live metadata.
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21 -h, --help
22 Print help and exit.
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24 -V, --version
25 Print version information and exit.
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27 -i, --input {device|file}
28 Input file or device containing binary metadata.
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30 -o, --output {device|file}
31 Output file or device for repaired binary metadata.
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33 If a file is then it must be preallocated, and large enough to hold the
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38 Reads the binary cache metadata from file metadata, repairs it and
39 writes it to logical volume /dev/vg/metadata for further processing by
40 the respective device-mapper target:
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42 $ cache_repair -i metadata -o /dev/vg/metadata
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46 cache_repair returns an exit code of 0 for success or 1 for error.
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49 cache_dump(8), cache_check(8), cache_restore(8)
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52 Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>
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56System Manager's Manual Device Mapper Tools cache_repair(8)