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HTML rendering created 2026-09-09 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | DIAGNOSTICS | EXAMPLES | ENVIRONMENT VARIABLES | SEE ALSO | COLOPHON |
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FSADM(8) System Manager's Manual FSADM(8)
fsadm — Utility to resize or check filesystem on a device
fsadm [options] check device
fsadm [options] resize device [new_size]
The fsadm utility checks or resizes the filesystem on a device
(which can also be a dm-crypt encrypted device). It tries to use
the same API for ext2, ext3, ext4, ReiserFS and XFS filesystems.
-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
Also resize the given lvm2 logical volume. More volume man‐
agement functionality is provided 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 filesys‐
tem, or an absolute size using a suffix (in powers of
1024). If new_size is not supplied, the whole device is
used.
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.
Resize the filesystem on logical volume /dev/vg/test to 1000 MiB.
If /dev/vg/test contains ext2/ext3/ext4 filesystem it will be un‐
mounted prior to the resize. All [y/n] questions will be answered
'y'.
fsadm -e -y resize /dev/vg/test 1000M
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.
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)
This page is part of the lvm2 (Logical Volume Manager 2) project.
Information about the project can be found at
⟨http://www.sourceware.org/lvm2/⟩. If you have a bug report for
this manual page, see ⟨https://github.com/lvmteam/lvm2/issues⟩.
This page was obtained from the project's upstream Git repository
⟨git://sourceware.org/git/lvm2.git⟩ on 2026-08-04. (At that time,
the date of the most recent commit that was found in the
repository was 2026-08-03.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
Red Hat, Inc. LVM TOOLS 2.03.42(2)-git (2026-05-15) FSADM(8)
Pages that refer to this page: lvchange(8), lvconvert(8), lvcreate(8), lvdisplay(8), lvextend(8), lvm(8), lvmconfig(8), lvmdevices(8), lvmdiskscan(8), lvm-fullreport(8), lvm-lvpoll(8), lvreduce(8), lvremove(8), lvrename(8), lvresize(8), lvs(8), lvscan(8), pvchange(8), pvck(8), pvcreate(8), pvdisplay(8), pvmove(8), pvremove(8), pvresize(8), pvs(8), pvscan(8), vgcfgbackup(8), vgcfgrestore(8), vgchange(8), vgck(8), vgconvert(8), vgcreate(8), vgdisplay(8), vgexport(8), vgextend(8), vgimport(8), vgimportclone(8), vgimportdevices(8), vgmerge(8), vgmknodes(8), vgreduce(8), vgremove(8), vgrename(8), vgs(8), vgscan(8), vgsplit(8)
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HTML rendering created 2026-09-09 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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