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           resize2fs  [  -fFpPM  ]  [ -d debug-flags ] [ -S RAID-stride ] device [
           size ]


           The resize2fs program will resize ext2, ext3, or ext4 file systems.  It
           can  be  used  to enlarge or shrink an unmounted file system located on
           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.).
           The  size parameter specifies the requested new size of the filesystem.
           If no units are specified, the units of the size parameter shall be the
           filesystem blocksize of the filesystem.  Optionally, the size parameter
           may be suffixed by one of the following  the  units  designators:  's',
           'K',  'M', or 'G', for 512 byte sectors, kilobytes, megabytes, or giga-
           bytes, respectively.  The size of the filesystem may  never  be  larger
           than the size of the partition.  If size parameter is not specified, it
           will default to the size of the partition.
           The 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
           fdisk(8) by deleting the partition and recreating it with a larger size
           or using lvextend(8),  if  you're  using  the  logical  volume  manager
           lvm(8).   When  recreating  the partition, make sure you create it with
           the same starting disk cylinder as before!  Otherwise, the resize oper-
           ation will certainly not work, and you may lose your entire filesystem.
           After running fdisk(8), run resize2fs to resize the ext2 filesystem  to
           use all of the space in the newly enlarged partition.
           If  you wish to shrink an ext2 partition, first use resize2fs to shrink
           the size of filesystem.  Then you may use 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 of the ext2 filesystem!


           -d debug-flags
                  Turns on various resize2fs debugging features, if they have been
                  compiled  into  the  binary.   debug-flags should be computed by
                  adding the numbers of the desired features  from  the  following
                       2    - Debug block relocations
                       4    - Debug inode relocations
                       8    - Debug moving the inode table
           -f     Forces  resize2fs  to  proceed with the filesystem resize opera-
                  tion, overriding some safety  checks  which  resize2fs  normally
           -F     Flush  the  filesystem  device's buffer caches before beginning.
                  ting to be used by resize2fs instead.


           The  minimum  size  of  the filesystem as estimated by resize2fs may be
           incorrect, especially for filesystems with 1k and 2k blocksizes.


           resize2fs was written by Theodore Ts'o <>.


           Resize2fs is Copyright 1998 by Theodore Ts'o and PowerQuest, Inc.   All
           rights  reserved.   As  of  April,  2000 Resize2fs may be redistributed
           under the terms of the GPL.


           fdisk(8), e2fsck(8), mke2fs(8), lvm(8), lvextend(8)

    E2fsprogs version 1.41.12 May 2010 RESIZE2FS(8)


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