man > FSADM(8)

FSADM(8)                                                                                    FSADM(8)

NAME
       fsadm — utility to resize or check filesystem on a device

SYNOPSIS
       fsadm [options] check device
       fsadm [options] resize device [new_size]

DESCRIPTION
       fsadm  utility  checks  or resizes the filesystem on a device (can be also dm-crypt encrypted
       device).  It tries to use the same API for ext2, ext3, ext4, ReiserFS and XFS filesystem.

OPTIONS
       -e|--ext-offline
              Unmount ext2/ext3/ext4 filesystem before doing resize.

       -f|--force
              Bypass some sanity checks.

       -h|--help
              Display the help text.

       -l|--lvresize
              Resize also given lvm2 logical volume. More volume management  functionality  is  pro‐
              vided with complementary lvresize(8) and the option -r|--resizefs.

       -n|--dry-run
              Print commands without running them.

       -v|--verbose
              Be more verbose.

       -y|--yes
              Answer "yes" at any prompts.

       -c|--cryptresize
              Resize  dm-crypt mapping together with filesystem detected on the device. The dm-crypt
              device must be recognizable by cryptsetup(8).

       new_size[B|K|M|G|T|P|E]
              Absolute number of filesystem blocks to be in the filesystem, or an absolute size  us‐
              ing  a  suffix  (in powers of 1024).  If new_size is not supplied, the whole device is
              used.

DIAGNOSTICS
       On successful completion, the status code is 0.  A status code of 2 indicates  the  operation
       was  interrupted  by  the  user.   A status code of 3 indicates the requested check operation
       could not be performed because the filesystem is mounted  and  does  not  support  an  online
       fsck(8).  A status code of 1 is used for other failures.

EXAMPLES
       Resize the filesystem on logical volume /dev/vg/test to 1000 megabytes.  If /dev/vg/test con‐
       tains  ext2/ext3/ext4  filesystem it will be unmounted prior the resize.  All [y/n] questions
       will be answered 'y'.

       # fsadm -e -y resize /dev/vg/test 1000M

ENVIRONMENT VARIABLES
       TMPDIR The temporary directory name for mount points. Defaults to "/tmp".

       DM_DEV_DIR
              The device directory name.  Defaults to "/dev" and must be an absolute path.

SEE ALSO
       lvm(8), lvresize(8), lvm.conf(5),

       fsck(8), tune2fs(8), resize2fs(8),

       reiserfstune(8), resize_reiserfs(8),

       xfs_info(8), xfs_growfs(8), xfs_check(8),

       cryptsetup(8)

Red Hat, Inc                      LVM TOOLS 2.03.16(2) (2022-05-18)                         FSADM(8)