+'\" t
.\" Title: amrestore
-.\" Author:
-.\" Generator: DocBook XSL Stylesheets v1.72.0 <http://docbook.sf.net/>
-.\" Date: 06/06/2007
-.\" Manual:
-.\" Source:
+.\" Author: James da Silva <jds@amanda.org>
+.\" Generator: DocBook XSL Stylesheets vsnapshot_8273 <http://docbook.sf.net/>
+.\" Date: 11/05/2009
+.\" Manual: System Administration Commands
+.\" Source: Amanda 2.6.1p2
+.\" Language: English
.\"
-.TH "AMRESTORE" "8" "06/06/2007" "" ""
+.TH "AMRESTORE" "8" "11/05/2009" "Amanda 2\&.6\&.1p2" "System Administration Commands"
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
.SH "NAME"
-amrestore \- extract backup images from an Amanda tape
+amrestore \- extract backup images from an \fIAmanda\fR 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 | ...]]]]]]
+.HP \w'\fBamrestore\fR\ 'u
+\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
+.if n \{\
.RS 4
+.\}
.nf
% amrestore \-p /dev/nrmt9 seine rz3g | restore \-ivbf 2 \-
.fi
+.if n \{\
.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
+.if n \{\
.RS 4
+.\}
.nf
% amrestore /dev/nrmt9 seine
.fi
+.if n \{\
.RE
-.sp
+.\}
.PP
If the backup datestamp in the above example is
19910125
\fIrz1g\fR
on the tape, these files will be created in the current directory:
.sp
+.if n \{\
.RS 4
+.\}
.nf
-seine.rz1a.19910125.0
-seine.rz1g.19910125.0
+seine\&.rz1a\&.19910125\&.0
+seine\&.rz1g\&.19910125\&.0
.fi
+.if n \{\
.RE
-.sp
+.\}
.PP
You may also use
\fBamrestore\fR
to extract a backup image from a holding disk file that has not yet been flushed to tape:
.sp
+.if n \{\
.RS 4
+.\}
.nf
-% amrestore \-p /amanda/20001119/seine.rz1a.2 | restore \-ivbf 2 \-
+% amrestore \-p /amanda/20001119/seine\&.rz1a\&.2 | restore \-ivbf 2 \-
.fi
+.if n \{\
.RE
-.sp
+.\}
.PP
\fBAmrestore\fR
may be used to generate a listing of images on a tape:
.sp
+.if n \{\
.RS 4
+.\}
.nf
% mt \-f /dev/nrmt9 rewind
% amrestore \-p /dev/nrmt9 no\-such\-host > /dev/null
.fi
+.if n \{\
.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.
-.SH "AUTHOR"
-.PP
-James da Silva,
-<jds@amanda.org>, University of Maryland, College Park: Original text
-.PP
-Stefan G. Weichinger,
-<sgw@amanda.org>, maintainer of the
-\fIAmanda\fR\-documentation: XML\-conversion
+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 "SEE ALSO"
.PP
\fBamanda\fR(8),
\fBamdump\fR(8),
\fBamflush\fR(8),
-\fBtar\fR(1)
-\fBrestore\fR(8)
+\fBtar\fR(1),
+\fBrestore\fR(8),
+: http://wiki.zmanda.com
+.SH "AUTHORS"
+.PP
+\fBJames da Silva\fR <\&jds@amanda\&.org\&>
+.PP
+\fBStefan G\&. Weichinger\fR <\&sgw@amanda\&.org\&>