." Text automatically generated by txt2man cache_dump - Online Linux Manual PageSection : 8
Updated : Device Mapper Tools
Source : System Manager's Manual

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NAMEcache_dump - dump cache metadata from device or file to standard output.

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SYNOPSIS.fam C cache_dump [options] {device|file} .fam T

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DESCRIPTIONcache_dump dumps binary cache metadata created by the device-mapper cache target on a device or file to standard output for analysis or postprocessing in XML format. XML formatted metadata can be fed into cache_restore in order to put it back onto a metadata device (to process by the device-mapper target), or file. This tool cannot be run on live metadata.

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OPTIONS-h, --help  Print help and exit. -V, --version  Print version information and exit. -r, --repair  Repair the metadata whilst dumping it. -o {xml file}  Specify an output file for the xml, rather than printing to stdout.

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EXAMPLESDumps the cache metadata on logical volume /dev/vg/metadata to standard output in XML format: .fam C $ cache_dump /dev/vg/metadata .fam TDumps the cache metadata on logical volume /dev/vg/metadata whilst repairing it to standard output in XML format: .fam C $ cache_dump --repair /dev/vg/metadata .fam T

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DIAGNOSTICScache_dump returns an exit code of 0 for success or 1 for error.

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SEE ALSOcache_check(8), cache_repair(8), cache_restore(8)

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AUTHORJoe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com> 0

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Johanes Gumabo

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