growfs —
grow size of an existing ffs file system
growfs |
[ -Nqy
]
[-s
size
]
special |
The
growfs utility extends the
newfs(8) program. Before starting
growfs, the partition must be set to a
larger size using
disklabel(8). The
growfs utility extends the size of the file
system on the specified special file.
Currently
growfs can only enlarge unmounted
file systems. Do not try enlarging a mounted file system - your system may
panic and you will not be able to use the file system any longer. Most of the
newfs(8) options cannot be
changed by
growfs. In fact, you can only
increase the size of the file system. Use
tunefs(8) for other changes.
The following options are available:
-
-
-N- Test mode. Causes the new file system parameters to be printed out without
actually enlarging the file system.
-
-
-q- Operate in quiet mode. With this option,
growfs will not print extraneous
information like superblock backups.
-
-
-s
size- Determines the size of the file system
after enlarging in sectors. This value defaults to the size of the raw
partition specified in special (in other
words,
growfs will enlarge the file
system to the size of the entire partition).
-
-
-y- Expert mode. Usually
growfs will ask
you if you have taken a backup of your data and will test whether
special is currently mounted. The
-y flag suppresses this, so use this
option with great care!
-
-
COLUMNS- If set to a positive integer, output is formatted to the given width in
columns. Otherwise,
growfs defaults to
the terminal width, or 80 columns if the output is not a terminal.
disklabel(8),
dumpfs(8),
fdisk(8),
fsck(8),
newfs(8),
tunefs(8)
The
growfs utility first appeared in
FreeBSD 4.4 and has been available since
OpenBSD 3.4.
Christoph Herrmann
<
chm@FreeBSD.org>
Thomas-Henning von Kamptz
<
tomsoft@FreeBSD.org>
and the
growfs team
<
growfs@tomsoft.com>
Filesystems must be checked with
fsck(8) after enlarging.
![[OpenBSD]](/openbsd.gif){kind=small}