65 lines
1.4 KiB
Groff
65 lines
1.4 KiB
Groff
.TH CACHE_DUMP 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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.SH NAME
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cache_dump \- dump cache metadata from device or file to standard output
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.SH SYNOPSIS
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.B cache_dump
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.RB [options]
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.I {device|file}
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.SH DESCRIPTION
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.B cache_dump
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dumps binary cache metadata created by
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the device-mapper cache target on a
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.I device
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or
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.I file
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to standard output for
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analysis or postprocessing in XML format.
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XML formated metadata can be fed into cache_restore (see
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.BR cache_restore(8) )
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in order to put it back onto a metadata
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.I device
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(to process by the device-mapper target) or
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.I file.
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This tool cannot be run on live metadata.
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.IP "\fB\-r, \-\-repair\fP".
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Repair the metadata whilst dumping it.
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.IP "\fB\-h, \-\-help\fP".
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Print help and exit.
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.IP "\fB-o \<xml file\>\fP".
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Specify an output file for the xml, rather than printing to stdout.
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.IP "\fB\-V, \-\-version\fP".
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Output version information and exit.
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.SH EXAMPLES
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Dumps the cache metadata on logical volume /dev/vg/metadata
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to standard output in XML format:
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.sp
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.B cache_dump /dev/vg/metadata
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.SH EXAMPLES
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Dumps the cache metadata on logical volume /dev/vg/metadata
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whilst repairing it to standard output in XML format:
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.sp
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.B cache_dump --repair /dev/vg/metadata
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.SH DIAGNOSTICS
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.B cache_dump
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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_check(8)
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.B cache_repair(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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