55 lines
1.3 KiB
Groff
55 lines
1.3 KiB
Groff
.TH ERA_INVALIDATE 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
|
|
.SH NAME
|
|
era_invalidate \- Provide a list of blocks that have changed since a particular era.
|
|
|
|
.SH SYNOPSIS
|
|
.B era_invalidate
|
|
.RB [ options ]
|
|
.I {device|file}
|
|
|
|
.SH DESCRIPTION
|
|
.B era_invalidate
|
|
Examines era metadata and lists blocks that may have changed since a given era.
|
|
|
|
This tool cannot be run on live metadata unless the \fB\-\-metadata\-snap\fP option is used.
|
|
|
|
.SH OPTIONS
|
|
.IP "\fB\-h, \-\-help\fP"
|
|
Print help and exit.
|
|
|
|
.IP "\fB\-V, \-\-version\fP"
|
|
Output version information and exit.
|
|
|
|
.IP "\fB\-o <output file>\fP"
|
|
Write output to a file rather than
|
|
.B stdout
|
|
.
|
|
|
|
.IP "\fB\-\-metadata\-snapshot\fP"
|
|
Use the metadata snapshot rather than the current superblock.
|
|
|
|
.IP "\fB\-\-written-since {era}\fP"
|
|
Blocks written since the given era will be listed.
|
|
|
|
.SH EXAMPLE
|
|
List the blocks that may have been written since the beginning of era
|
|
13 on the metadata device /dev/vg/metadata.
|
|
.sp
|
|
.B era_invalidate --written-since 13 /dev/vg/metadata
|
|
|
|
The device may not be actively used by the target
|
|
when running.
|
|
|
|
.SH DIAGNOSTICS
|
|
.B era_invalidate
|
|
returns an exit code of 0 for success or 1 for error (eg, metadata corruption).
|
|
|
|
.SH SEE ALSO
|
|
.B era_check(8),
|
|
.B era_dump(8),
|
|
.B era_repair(8),
|
|
.B era_restore(8)
|
|
|
|
.SH AUTHOR
|
|
Joe Thornber <ejt@redhat.com>
|