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.TH thin_restore 8 "Device Mapper Tools" "System Manager's Manual"
.SH NAME
\fBthin_restore \fP- restore thin provisioning metadata file to device or file.
\fB
.SH SYNOPSIS
.nf
.fam C
\fBthin_restore\fP [\fIoptions\fP] \fB-i\fP {xml file} \fB-o\fP {device|file}

.fam T
.fi
.fam T
.fi
.SH DESCRIPTION
\fBthin_restore\fP restores thin provisioning metadata created by the respective
device-mapper target dumped into an XML formatted (see \fBthin_dump\fP(8)) file,
which optionally can be preprocessed before the restore to another device or
file. If restored to a metadata device, the metadata can be processed by the
device-mapper target.
.PP
This tool cannot be run on live metadata.
.SH OPTIONS
.TP
.B
\fB-h\fP, \fB--help\fP
Print help and exit.
.TP
.B
\fB-V\fP, \fB--version\fP
Print version information and exit.
.TP
.B
\fB-q\fP, \fB--quiet\fP
Suppress output messages, return only exit code.
.TP
.B
\fB-i\fP, \fB--input\fP {xml file}
Input file containing XML metadata.
.TP
.B
\fB-o\fP, \fB--output\fP {device|file}
Output file or device for restored binary metadata.
.PP
.nf
.fam C
    If a file is used for output, then it must be preallocated, and large
    enough to hold the metadata.

.fam T
.fi
.TP
.B
\fB--transaction-id\fP {natural}
Override the transaction id given in the input xml.
.TP
.B
\fB--data-block-size\fP {natural}
Override the data block size given in the input xml.
.TP
.B
\fB--nr-data-blocks\fP {natural}
Override the nr data blocks given in the input xml.
.SH EXAMPLE

Restores the XML formatted thin provisioning metadata on file metadata to
logical volume /dev/vg/metadata for further processing by the respective
device-mapper target:
.PP
.nf
.fam C
    $ thin_restore -i metadata -o /dev/vg/metadata

.fam T
.fi
.SH DIAGNOSTICS

\fBthin_restore\fP returns an exit code of 0 for success or 1 for error.
.SH SEE ALSO
\fBthin_dump\fP(8), \fBthin_check\fP(8), \fBthin_repair\fP(8), \fBthin_rmap\fP(8), \fBthin_metadata_size\fP(8)
.SH AUTHOR
Joe Thornber <ejt@redhat.com>, Heinz Mauelshagen <HeinzM@RedHat.com>