resize_reiserfs [ -s [+|-]size[K|M|G] ] [ -j dev ] [ -fqv ] device
The resize_reiserfs tool resizes an unmounted reiserfs file system. It
enlarges or shrinks an reiserfs file system located on a device so that
it will have size bytes or size=old_size +(-) size bytes if the + or -
prefix is used. If the -s option is not specified, the filesystem will
be resized to fill the given device. The size parameter may have one
of the optional modifiers K, M, G, which means the size parameter is
given in kilo-, mega-, gigabytes respectively.
The resize_reiserfs 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 cfdisk(8) for parti-
tions, by deleting the partition and recreating it with a larger size
(assuming there is free space after 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.
The resize_reiserfs program allows to grow a reiserfs on-line if there
is a free space on block device.
If you wish to shrink a reiserfs partition, first use resize_reiserfs
to shrink the file system. You may then use cfdisk(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.
Set the new size in bytes.
-j dev Set the journal device name.
-f Force, do not perform checks.
-q Do not print anything but error messages.
-v Turn on extra progress status messages (default).
0 Resizing successful.
-1 Resizing not successful.
The following example shows how to test resize_reiserfs. Suppose 2Gb
reiserfs filesystem is created on the device /dev/hda8 and is mounted
Please report bugs to the ReiserFS developers <reiserfs-
email@example.com>, providing as much information as possible--your hard-
ware, kernel, patches, settings, all printed messages; check the syslog
file for any related information.
cfdisk(8), reiserfsck(8), debugreiserfs(8)
Reiserfsprogs-3.6.21 January 2009 RESIZE_REISERFS(8)
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