2013-10-18 19:47:06 +05:30
|
|
|
.TH CACHE_REPAIR 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
|
|
|
|
|
.SH NAME
|
|
|
|
|
cache_repair \- repair cache binary metadata from device/file to device/file
|
|
|
|
|
|
|
|
|
|
.SH SYNOPSIS
|
|
|
|
|
.B cache_repair
|
|
|
|
|
.RB [ options ]
|
|
|
|
|
.RB -i
|
|
|
|
|
.I {device|file}
|
|
|
|
|
.RB -o
|
|
|
|
|
.I {device|file}
|
|
|
|
|
|
|
|
|
|
.SH DESCRIPTION
|
|
|
|
|
.B cache_repair
|
|
|
|
|
reads binary cache metadata created by the
|
|
|
|
|
respective device-mapper target from one
|
|
|
|
|
.I device
|
|
|
|
|
or
|
|
|
|
|
.I file
|
|
|
|
|
, repairs it and writes it to another
|
|
|
|
|
.I device
|
|
|
|
|
or
|
|
|
|
|
.I file.
|
|
|
|
|
If written to a metadata
|
|
|
|
|
.I device
|
|
|
|
|
, the metadata can be processed
|
|
|
|
|
by the device-mapper target.
|
|
|
|
|
|
2015-08-13 18:09:20 +05:30
|
|
|
This tool cannot be run on live metadata.
|
|
|
|
|
|
2013-10-18 19:47:06 +05:30
|
|
|
.IP "\fB\-i, \-\-input\fP \fI{device|file}\fP"
|
|
|
|
|
Input file or device with binary metadata.
|
|
|
|
|
|
|
|
|
|
.IP "\fB\-o, \-\-output\fP \fI{device|file}\fP"
|
|
|
|
|
Output file or device for repaired binary metadata.
|
|
|
|
|
|
|
|
|
|
.IP "\fB\-h, \-\-help\fP"
|
|
|
|
|
Print help and exit.
|
|
|
|
|
|
|
|
|
|
.IP "\fB\-V, \-\-version\fP"
|
|
|
|
|
Output version information and exit.
|
|
|
|
|
|
|
|
|
|
.SH EXAMPLE
|
|
|
|
|
Reads the binary cache metadata from file
|
|
|
|
|
.B metadata
|
|
|
|
|
, repairs it and writes it to logical volume /dev/vg/metadata
|
|
|
|
|
for further processing by the respective device-mapper target:
|
|
|
|
|
.sp
|
|
|
|
|
.B cache_repair -i metadata -o /dev/vg/metadata
|
|
|
|
|
|
|
|
|
|
.SH DIAGNOSTICS
|
|
|
|
|
.B cache_repair
|
|
|
|
|
returns an exit code of 0 for success or 1 for error.
|
|
|
|
|
|
|
|
|
|
.SH SEE ALSO
|
|
|
|
|
.B cache_dump(8)
|
|
|
|
|
.B cache_check(8)
|
|
|
|
|
.B cache_restore(8)
|
|
|
|
|
|
|
|
|
|
.SH AUTHOR
|
|
|
|
|
Joe Thornber <ejt@redhat.com>
|
|
|
|
|
.br
|
|
|
|
|
Heinz Mauelshagen <HeinzM@RedHat.com>
|
