2017-09-20 15:45:00 +05:30
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NAME
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cache_repair - repair cache binary metadata from device/file to device/file.
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SYNOPSIS
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cache_repair [options] -i {device|file} -o {device|file}
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DESCRIPTION
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cache_repair reads binary cache metadata created by the respective
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device-mapper target from one device or file, repairs it and writes it to
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2017-09-20 18:23:59 +05:30
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another device or file. If written to a metadata device, the metadata can
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2017-09-20 15:45:00 +05:30
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be processed by the device-mapper target.
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This tool cannot be run on live metadata.
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OPTIONS
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2017-09-20 18:23:59 +05:30
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-h, --help Print help and exit.
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-V, --version Print version information and exit.
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2017-09-20 15:45:00 +05:30
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-i, --input {device|file} Input file or device containing binary metadata.
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-o, --output {device|file} Output file or device for repaired binary metadata.
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If a file is then it must be preallocated, and large enough to hold the
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metadata.
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EXAMPLE
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Reads the binary cache metadata from file metadata, repairs it and writes it
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to logical volume /dev/vg/metadata for further processing by the respective
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device-mapper target:
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$ cache_repair -i metadata -o /dev/vg/metadata
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DIAGNOSTICS
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cache_repair returns an exit code of 0 for success or 1 for error.
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SEE ALSO
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cache_dump(8), cache_check(8), cache_restore(8)
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AUTHOR
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Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>
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