2014-08-06 15:02:39 +05:30
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.TH ERA_INVALIDATE 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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.SH NAME
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era_invalidate \- Provide a list of blocks that have changed since a particular era.
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.SH SYNOPSIS
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.B era_invalidate
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.RB [ options ]
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.I {device|file}
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.SH DESCRIPTION
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.B era_invalidate
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Examines era metadata and lists blocks that may have changed since a given era.
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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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2014-08-06 15:02:39 +05:30
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.SH OPTIONS
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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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.IP "\fB\-o <output file>\fP"
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Write output to a file rather than
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.B stdout
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.SH EXAMPLE
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List the blocks that may have been written since the beginning of era
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13 on the metadata device /dev/vg/metadata.
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.sp
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.B era_invalidate --written-since 13 /dev/vg/metadata
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The device may not be actively used by the target
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when running.
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.SH DIAGNOSTICS
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.B era_invalidate
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returns an exit code of 0 for success or 1 for error (eg, metadata corruption).
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.SH SEE ALSO
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.B era_check(8),
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.B era_dump(8),
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.B era_repair(8),
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.B era_restore(8)
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.SH AUTHOR
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Joe Thornber <ejt@redhat.com>
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