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Diffstat (limited to 'resize/resize2fs.8.in')
-rw-r--r-- | resize/resize2fs.8.in | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/resize/resize2fs.8.in b/resize/resize2fs.8.in index e02345d4..a1f3099b 100644 --- a/resize/resize2fs.8.in +++ b/resize/resize2fs.8.in @@ -11,7 +11,7 @@ resize2fs \- ext2/ext3/ext4 file system resizer .B \-fFpPM ] [ -.B \-d +.B \-d .I debug-flags ] [ @@ -23,31 +23,31 @@ resize2fs \- ext2/ext3/ext4 file system resizer .I size ] .SH DESCRIPTION -The -.B resize2fs +The +.B resize2fs program will resize ext2, ext3, or ext4 file systems. It can be used to -enlarge or shrink an unmounted file system located on +enlarge or shrink an unmounted file system located on .IR device . If the filesystem is mounted, it can be used to expand the size of the mounted filesystem, assuming the kernel supports on-line resizing. (As of this writing, the Linux 2.6 kernel supports on-line resize for filesystems mounted using ext3 and ext4.). .PP -The +The .I size parameter specifies the requested new size of the filesystem. If no units are specified, the units of the .I size parameter shall be the filesystem blocksize of the filesystem. -Optionally, the +Optionally, the .I size -parameter may be suffixed by one of the following the units +parameter may be suffixed by one of the following the units designators: 's', 'K', 'M', or 'G', for 512 byte sectors, kilobytes, megabytes, or gigabytes, respectively. -The +The .I size of the filesystem may never be larger than the size of the partition. -If +If .I size parameter is not specified, it will default to the size of the partition. .PP @@ -63,50 +63,54 @@ The .B resize2fs program does not manipulate the size of partitions. If you wish to enlarge a filesystem, you must make sure you can expand the size of the -underlying partition first. This can be done using +underlying partition first. This can be done using .BR fdisk (8) by deleting the partition and recreating it with a larger size or using .BR lvextend (8), if you're using the logical volume manager .BR lvm (8). -When +When recreating the partition, make sure you 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. +disk cylinder as before! Otherwise, the resize operation will +certainly not work, and you may lose your entire filesystem. After running .BR fdisk (8), -run resize2fs to resize the ext2 filesystem +run resize2fs to resize the ext2 filesystem to use all of the space in the newly enlarged partition. .PP -If you wish to shrink an ext2 partition, first use +If you wish to shrink an ext2 partition, first use .B resize2fs -to shrink the size of filesystem. Then you may use +to shrink the size of filesystem. Then you may use .BR fdisk (8) -to shrink the size of the partition. When shrinking the size of -the partition, make sure you do not make it smaller than the new size +to shrink the size of the partition. When shrinking the size of +the partition, make sure you do not make it smaller than the new size of the ext2 filesystem! .SH OPTIONS .TP .B \-d \fIdebug-flags -Turns on various resize2fs debugging features, if they have been compiled +Turns on various resize2fs debugging features, if they have been compiled into the binary. .I debug-flags -should be computed by adding the numbers of the desired features +should be computed by adding the numbers of the desired features from the following list: .br -\ 2\ \-\ Debug block relocations + 2 \-\ Debug block relocations .br -\ 4\ \-\ Debug inode relocations + 4 \-\ Debug inode relocations .br -\ 8\ \-\ Debug moving the inode table -.TP + 8 \-\ Debug moving the inode table +.br + 16 \-\ Print timing information +.br + 32 \-\ Debug minimum filesystem size (\-M) calculation +.TP .B \-f -Forces resize2fs to proceed with the filesystem resize operation, overriding +Forces resize2fs to proceed with the filesystem resize operation, overriding some safety checks which resize2fs normally enforces. .TP .B \-F Flush the filesystem device's buffer caches before beginning. Only -really useful for doing +really useful for doing .B resize2fs time trials. .TP @@ -116,7 +120,7 @@ Shrink the filesystem to the minimum size. .B \-p Prints out a percentage completion bars for each .B resize2fs -operation during an offline resize, so that the user can keep track +operation during an offline resize, so that the user can keep track of what the program is doing. .TP .B \-P @@ -136,7 +140,7 @@ incorrect, especially for filesystems with 1k and 2k blocksizes. was written by Theodore Ts'o <tytso@mit.edu>. .SH COPYRIGHT Resize2fs is Copyright 1998 by Theodore Ts'o and PowerQuest, Inc. All -rights reserved. +rights reserved. As of April, 2000 .B Resize2fs may be redistributed under the terms of the GPL. @@ -144,5 +148,5 @@ may be redistributed under the terms of the GPL. .BR fdisk (8), .BR e2fsck (8), .BR mke2fs (8), -.BR lvm (8), +.BR lvm (8), .BR lvextend (8) |