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<title>RESIZE_REISERFS</title>
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<h1 align=center>RESIZE_REISERFS</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#RETURN VALUES">RETURN VALUES</a><br>
<a href="#EXAMPLES">EXAMPLES</a><br>
<a href="#AUTHOR">AUTHOR</a><br>
<a href="#BUGS">BUGS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
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<a name="NAME"></a>
<h2>NAME</h2>
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resize_reiserfs - resizer tool for the ReiserFS filesystem</td></table>
<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<b>resize_reiserfs</b> [ <b>-s</b>
[<b>+</b>|<b>-</b>]<i>size</i><b>[K</b>|<b>M</b>|<b>G</b>] ]
[ <b>-j</b> <i>dev</i> ] [ <b>-fqv</b> ]
<i>device</i></td></table>
<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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The <b>resize_reiserfs</b> tool resizes an unmounted
reiserfs file system. It enlarges or shrinks a reiserfs
file system located on a <i>device</i> so that it will have
<i>size</i> bytes or size=old_size +(-) <i>size</i> bytes if
the + or - prefix is used. If the <b>-s</b> option is not
specified, the filesystem will be resized to fill the given
device. The <i>size</i> parameter may have one of the
optional modifiers <b>K</b>, <b>M</b>, <b>G</b>, which means
the <i>size</i> parameter is given in kilo-, mega-,
gigabytes respectively.</td></table>
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The <b>resize_reiserfs</b> program does not manipulate the
size of the device. If you wish to enlarge a filesystem, you
must make sure you expand the underlying device first. This
can be done using <b>cfdisk</b>(8) for partitions, by
deleting the partition and recreating it with a larger size
(assuming there is free space <i>after</i> the partition in
question). Make sure you re-create it with the same starting
disk cylinder as before! Otherwise, the resize operation
will certainly not work, and you may lose your entire
filesystem.</td></table>
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The <b>resize_reiserfs</b> program allows to grow a reiserfs
on-line if there is a free space on block
<i>device.</i></td></table>
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If you wish to shrink a reiserfs partition, first use
<b>resize_reiserfs</b> to shrink the file system. You may
then use <b>cfdisk</b>(8) to shrink the device. When
shrinking the size of the device, make sure you do not make
it smaller than the reduced size of the reiserfs
filesystem.</td></table>
<a name="OPTIONS"></a>
<h2>OPTIONS</h2>
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<b>-s [+|-]</b><i>size</i></td></table>
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Set the new size in bytes.</td></table>
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<b>-j</b> <i>dev</i></td></table>
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Set the journal device name.</td></table>
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<b>-f</b></td></table>
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Force, do not perform checks.</td></table>
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<b>-q</b></td></table>
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Do not print anything but error messages.</td></table>
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<b>-v</b></td></table>
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Turn on extra progress status messages
(default).</td></table>
<a name="RETURN VALUES"></a>
<h2>RETURN VALUES</h2>
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0 Resizing successful.</td></table>
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-1 Resizing not successful.</td></table>
<a name="EXAMPLES"></a>
<h2>EXAMPLES</h2>
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The following example shows how to test
<b>resize_reiserfs</b>. Suppose 2Gb reiserfs filesystem is
created on the device /dev/hda8 and is mounted on /mnt. For
shrinking the device we need to unmount it first, then run
<b>resize_reiserfs</b> with a <i>size</i> parameter (in this
case -1Gb):</td></table>
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df<br>
umount /mnt<br>
resize_reiserfs -s -1G /dev/hda8<br>
mount /dev/hda8 /mnt<br>
df /mnt</td></table>
<a name="AUTHOR"></a>
<h2>AUTHOR</h2>
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This version of <b>resize_reiserfs</b> has been written by
Alexander Zarochentcev <zam@namesys.com>.</td></table>
<a name="BUGS"></a>
<h2>BUGS</h2>
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Please report bugs to the ReiserFS developers
<reiserfs-dev@namesys.com>, providing as much
information as possible--your hardware, kernel, patches,
settings, all printed messages; check the syslog file for
any related information.</td></table>
<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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<b>cfdisk</b>(8), <b>reiserfsck</b>(8),
<b>debugreiserfs</b>(8)</td></table>
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