1ERA_DUMP(8) System Manager's Manual ERA_DUMP(8)
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6 era_dump - dump era metadata from device or file to standard output
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10 era_dump [options] {device|file}
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14 era_dump dumps binary era metadata created by the device-mapper era
15 target on a device or file to standard output for analysis or postpro‐
16 cessing in XML format. XML formated metadata can be fed into
17 era_restore (see era_restore(8)) in order to put it back onto a meta‐
18 data device (to process by the device-mapper target) or file.
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20 This tool cannot be run on live metadata.
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23 -r, --repair
24 Repair the metadata whilst dumping it.
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27 -h, --help
28 Print help and exit.
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31 -V, --version
32 Output version information and exit.
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35 --logical
36 Fold any unprocessed write sets into the final era array. You probably
37 want to do this if you're intending to process the results as it sim‐
38 plifies the XML.
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42 Dumps era metadata on logical volume /dev/vg/metadata to standard out‐
43 put in XML format:
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45 era_dump /dev/vg/metadata
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49 era_dump returns an exit code of 0 for success or 1 for error.
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53 era_check(8) era_repair(8) era_restore(8) era_invalidate(8)
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56 Joe Thornber <ejt@redhat.com>
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60Red Hat, Inc. Thin Provisioning Tools ERA_DUMP(8)