2013-10-18 19:47:06 +05:30
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.TH CACHE_REPAIR 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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.SH NAME
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cache_repair \- repair cache binary metadata from device/file to device/file
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.SH SYNOPSIS
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.B cache_repair
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.RB [ options ]
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.RB -i
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.I {device|file}
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.RB -o
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.I {device|file}
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.SH DESCRIPTION
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.B cache_repair
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reads binary cache metadata created by the
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respective device-mapper target from one
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.I device
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or
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.I file
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, repairs it and writes it to another
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.I device
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or
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.I file.
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If written to a metadata
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.I device
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, the metadata can be processed
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by the device-mapper target.
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2015-08-13 18:09:20 +05:30
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This tool cannot be run on live metadata.
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2013-10-18 19:47:06 +05:30
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.IP "\fB\-i, \-\-input\fP \fI{device|file}\fP"
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Input file or device with binary metadata.
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.IP "\fB\-o, \-\-output\fP \fI{device|file}\fP"
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2016-07-11 19:23:03 +05:30
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Output file or device for repaired binary metadata. If a file is used
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then it must be preallocated, and large enough to hold the metadata.
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2013-10-18 19:47:06 +05:30
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.IP "\fB\-h, \-\-help\fP"
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Print help and exit.
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.IP "\fB\-V, \-\-version\fP"
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Output version information and exit.
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.SH EXAMPLE
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Reads the binary cache metadata from file
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.B metadata
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, repairs it and writes it to logical volume /dev/vg/metadata
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for further processing by the respective device-mapper target:
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.sp
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.B cache_repair -i metadata -o /dev/vg/metadata
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.SH DIAGNOSTICS
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.B cache_repair
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returns an exit code of 0 for success or 1 for error.
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.SH SEE ALSO
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.B cache_dump(8)
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.B cache_check(8)
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.B cache_restore(8)
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.SH AUTHOR
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Joe Thornber <ejt@redhat.com>
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.br
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Heinz Mauelshagen <HeinzM@RedHat.com>
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