2017-09-20 15:45:00 +05:30
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NAME
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era_invalidate - Provide a list of blocks that have changed since a particular era.
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SYNOPSIS
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era_invalidate [options] {device|file}
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DESCRIPTION
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era_invalidate examines era metadata and lists blocks that may have changed
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since a given era.
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This tool cannot be run on live metadata unless the --metadata-snap option is
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used.
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OPTIONS
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2017-10-05 17:08:47 +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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-o {output file} Write output to a file rather than stdout.
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--metadata-snapshot Use the metadata snapshot rather than the current superblock.
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--written-since {era nr} Blocks written since the given era will be listed.
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2017-09-20 15:45:00 +05:30
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EXAMPLE
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List the blocks that may have been written since the beginning of era 13 on the
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metadata device /dev/vg/metadata:
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$ era_invalidate --written-since 13 /dev/vg/metadata
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The device may not be actively used by the target when running.
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DIAGNOSTICS
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era_invalidate returns an exit code of 0 for success or 1 for error (eg,
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metadata corruption).
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SEE ALSO
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2017-09-21 15:07:28 +05:30
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era_check(8), era_dump(8), era_restore(8)
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2017-09-20 15:45:00 +05:30
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AUTHOR
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Joe Thornber <ejt@redhat.com>
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