.\" Title: amrestore
.\" Author:
-.\" Generator: DocBook XSL Stylesheets v1.72.0 <http://docbook.sf.net/>
-.\" Date: 06/06/2007
+.\" Generator: DocBook XSL Stylesheets v1.73.2 <http://docbook.sf.net/>
+.\" Date: 03/31/2008
.\" Manual:
.\" Source:
.\"
-.TH "AMRESTORE" "8" "06/06/2007" "" ""
+.TH "AMRESTORE" "8" "03/31/2008" "" ""
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.SH "NAME"
-amrestore \- extract backup images from an Amanda tape
+amrestore - extract backup images from an Amanda tape
.SH "SYNOPSIS"
.HP 10
-\fBamrestore\fR [\-r | \-c | \-C] [\-b | \fIblocksize\fR] [\-f | \fIfileno\fR] [\-l | \fIlabel\fR] [\-p] [\-h] \fItapedevice\fR|\ \fIholdingfile\fR [\fIhostname\fR [\fIdiskname\fR [\fIdatestamp\fR [\fIhostname\fR [\fIdiskname\fR [\fIdatestamp\fR | ...]]]]]]
+\fBamrestore\fR [\-r | \-c | \-C] [\-b | \fIblocksize\fR] [\-f | \fIfileno\fR] [\-l | \fIlabel\fR] [\-p] [\-h] \fItapedevice\fR|\ \fIholdingfile\fR [\fIhostname\fR [\fIdiskname\fR [\fIdatestamp\fR [\fIhostname\fR [\fIdiskname\fR [\fIdatestamp\fR | \.\.\.]]]]]]
.SH "DESCRIPTION"
.PP
\fBAmrestore\fR
\fIdiskname\fR
and
\fIdatestamp\fR
-patterns given on the command line. The tape or holding file must be in a format written by the
+patterns given on the command line\. The tape or holding file must be in a format written by the
\fBamdump\fR
or
\fBamflush\fR
-program.
+program\.
.PP
If
\fIdiskname\fR
is not specified, all backups on the tape for the previous
\fIhostname\fR
-are candidates. If
+are candidates\. If
\fIdatestamp\fR
is not specified, all backups on the tape for the previous
\fIhostname\fR
and
\fIdiskname\fR
-are candidates. If no
+are candidates\. If no
\fIhostname\fR,
\fIdiskname\fR
or
\fIdatestamp\fR
-are specified, every backup on the tape is a candidate.
+are specified, every backup on the tape is a candidate\.
.PP
\fIHostname\fR
and
\fIdiskname\fR
are special expressions described in the "HOST & DISK EXPRESSION" section of
-\fBamanda\fR(8).
+\fBamanda\fR(8)\.
\fIDatestamp\fR
are special expression described in the "DATESTAMP EXPRESSION" section of
-\fBamanda\fR(8). For example, if
+\fBamanda\fR(8)\. For example, if
\fIdiskname\fR
is "rz[23]a", it would match disks
\fBrz2a\fR
and
-\fBrz3a\fR.
+\fBrz3a\fR\.
.PP
\fIDatestamp\fR
is useful if
\fBamflush\fR
-writes multiple backup runs to a single tape.
+writes multiple backup runs to a single tape\.
.PP
Unless
\fB\-p\fR
is used, candidate backup images are extracted to files in the current directory named:
.PP
-\fIhostname.diskname.datestamp.dumplevel\fR
+\fIhostname\.diskname\.datestamp\.dumplevel\fR
.PP
-Amrestore doesn't use a changer, it restore from the tape already loaded in the
-\fItapedevice.\fR
+Amrestore doesn\'t use a changer, it restore from the tape already loaded in the
+\fItapedevice\.\fR
.SH "OPTIONS"
.PP
\fB\-b\fR
.RS 4
-Set the blocksize used to read the tape or holding file. All holding files must be read with a blocksize of 32 KBytes.
+Set the blocksize used to read the tape or holding file\. All holding files must be read with a blocksize of 32 KBytes\.
\fBAmrestore\fR
-should normally be able to determine the blocksize for tapes on its own and not need this parameter.
+should normally be able to determine the blocksize for tapes on its own and not need this parameter\.
.RE
.PP
-The default is 32 KBytes.
+The default is 32 KBytes\.
.PP
\fB\-f\fR
.RS 4
-Do a rewind followed by a fsf <fileno> before trying to restore an image.
+Do a rewind followed by a fsf <fileno> before trying to restore an image\.
.RE
.PP
\fB\-l\fR
.PP
\fB\-p\fR
.RS 4
-Pipe output. The first matching backup image is sent to standard output, which is normally a pipe to
+Pipe output\. The first matching backup image is sent to standard output, which is normally a pipe to
\fBrestore\fR
or
\fBtar\fR, then
\fBamrestore\fR
-quits. It may be run again to continue selecting backups to process. Make sure you specify the no\-rewind
+quits\. It may be run again to continue selecting backups to process\. Make sure you specify the no\-rewind
\fItapedevice\fR
-when doing this.
+when doing this\.
.RE
.PP
Note:
\fBrestore\fR
-may report "short read" errors when reading from a pipe. Most versions of
+may report "short read" errors when reading from a pipe\. Most versions of
\fBrestore\fR
-support a blocking factor option to let you set the read block size, and you should set it to 2. See the example below.
+support a blocking factor option to let you set the read block size, and you should set it to 2\. See the example below\.
.PP
\fB\-c\fR
.RS 4
-Compress output using the fastest method the compression program provides.
+Compress output using the fastest method the compression program provides\.
\fBAmrestore\fR
normally writes output files in a format understood by
\fBrestore\fR
or
-\fBtar\fR, even if the backups on the tape are compressed. With the
+\fBtar\fR, even if the backups on the tape are compressed\. With the
\fB\-c\fR
or
\fB\-C\fR
option,
\fBamrestore\fR
-writes all files in compressed format, even if the backups on the tape are not compressed. Output file names will have a
-\fB.Z\fR
+writes all files in compressed format, even if the backups on the tape are not compressed\. Output file names will have a
+\fB\.Z\fR
or
-\fB.gz\fR
+\fB\.gz\fR
extension depending on whether
\fBcompress\fR
or
\fBgzip\fR
-is the preferred compression program. This option is useful when the current directory disk is small.
+is the preferred compression program\. This option is useful when the current directory disk is small\.
.RE
.PP
\fB\-C\fR
.RS 4
-Compress output using the best method the compression program provides (may be very CPU intensive). See the notes above about the
+Compress output using the best method the compression program provides (may be very CPU intensive)\. See the notes above about the
\fB\-c\fR
-option.
+option\.
.RE
.PP
\fB\-r\fR
.RS 4
-Raw output. Backup images are output exactly as they are on the tape, including the
+Raw output\. Backup images are output exactly as they are on the tape, including the
\fBamdump\fR
-headers. Output file names will have a
-\fB.RAW\fR
-extension. This option is only useful for debugging and other strange circumstances.
+headers\. Output file names will have a
+\fB\.RAW\fR
+extension\. This option is only useful for debugging and other strange circumstances\.
.RE
.PP
\fB\-h\fR
.RS 4
-Header output. The tape header block is output at the beginning of each file. This is like
+Header output\. The tape header block is output at the beginning of each file\. This is like
\fB\-r\fR
except
\fB\-c\fR
or
\fB\-C\fR
-may also be used to compress the result.
+may also be used to compress the result\.
\fBAmrecover\fR
-uses the header to determine the restore program to use.
+uses the header to determine the restore program to use\.
.RE
.PP
-If a header is written (\-r or \-h), only 32 KBytes are output regardless of the tape blocksize. This makes the resulting image usable as a holding file.
+If a header is written (\-r or \-h), only 32 KBytes are output regardless of the tape blocksize\. This makes the resulting image usable as a holding file\.
.PP
\fB\-o\fR \fIconfigoption\fR
.RS 4
See the "\fBCONFIGURATION OVERRIDE\fR" section in
-\fBamanda\fR(8).
+\fBamanda\fR(8)\.
.RE
.SH "EXAMPLES"
.PP
The following does an interactive restore of disk
\fIrz3g\fR
from host
-\fIseine\fR, to restore particular files. Note the use of the
+\fIseine\fR, to restore particular files\. Note the use of the
\fBb\fR
option to
-\fBrestore\fR, which causes it to read in units of two 512\-byte blocks (1 Kbyte) at a time. This helps keep it from complaining about short reads.
+\fBrestore\fR, which causes it to read in units of two 512\-byte blocks (1 Kbyte) at a time\. This helps keep it from complaining about short reads\.
.sp
.RS 4
.nf
% amrestore \-p /dev/nrmt9 seine rz3g | restore \-ivbf 2 \-
.fi
.RE
-.sp
.PP
The next example extracts all backup images for host
-\fIseine\fR. This is the usual way to extract all data for a host after a disk crash.
+\fIseine\fR\. This is the usual way to extract all data for a host after a disk crash\.
.sp
.RS 4
.nf
% amrestore /dev/nrmt9 seine
.fi
.RE
-.sp
.PP
If the backup datestamp in the above example is
19910125
.sp
.RS 4
.nf
-seine.rz1a.19910125.0
-seine.rz1g.19910125.0
+seine\.rz1a\.19910125\.0
+seine\.rz1g\.19910125\.0
.fi
.RE
-.sp
.PP
You may also use
\fBamrestore\fR
.sp
.RS 4
.nf
-% amrestore \-p /amanda/20001119/seine.rz1a.2 | restore \-ivbf 2 \-
+% amrestore \-p /amanda/20001119/seine\.rz1a\.2 | restore \-ivbf 2 \-
.fi
.RE
-.sp
.PP
\fBAmrestore\fR
may be used to generate a listing of images on a tape:
% amrestore \-p /dev/nrmt9 no\-such\-host > /dev/null
.fi
.RE
-.sp
.PP
This asks
\fBamrestore\fR
to find images for host
-\fBno\-such\-host\fR. It will not find any entries that match, but along the way will report each image it skips.
+\fBno\-such\-host\fR\. It will not find any entries that match, but along the way will report each image it skips\.
.SH "CAVEATS"
.PP
\fBGNU\-tar\fR
-must be used to restore files from backup images created with the GNUTAR dumptype. Vendor tar programs sometimes fail to read GNU tar images.
+must be used to restore files from backup images created with the GNUTAR dumptype\. Vendor tar programs sometimes fail to read GNU tar images\.
.SH "AUTHOR"
.PP
James da Silva,
-<jds@amanda.org>, University of Maryland, College Park: Original text
+<jds@amanda\.org>, University of Maryland, College Park: Original text
.PP
-Stefan G. Weichinger,
-<sgw@amanda.org>, maintainer of the
+Stefan G\. Weichinger,
+<sgw@amanda\.org>, maintainer of the
\fIAmanda\fR\-documentation: XML\-conversion
.SH "SEE ALSO"
.PP
\fBamanda\fR(8),
\fBamdump\fR(8),
\fBamflush\fR(8),
-\fBtar\fR(1)
-\fBrestore\fR(8)
+\fBtar\fR(1),
+\fBrestore\fR(8),
+\fBhttp://wiki.zmanda.com\fR()