jfs_tune

adjusts parameters on JFS filesystems

TLDR

Show filesystem info

$ sudo jfs_tune [/dev/sda1]

Set volume label

$ sudo jfs_tune -L [label] [/dev/sda1]

Change UUID

$ sudo jfs_tune -U [random] [/dev/sda1]

List filesystem options

$ jfs_tune -l [/dev/sda1]

SYNOPSIS

jfs_tune [options] device

DESCRIPTION

jfs_tune adjusts parameters on JFS filesystems. It sets labels, UUIDs, and other filesystem metadata.The tool works on unmounted filesystems. It's similar to tune2fs for ext filesystems.

PARAMETERS

DEVICE

JFS filesystem device.

-L LABEL

Set volume label.

-U UUID

Set or generate UUID.

-l

List filesystem info.

-J OPTIONS

External journal options.

--help

Display help information.

INSTALL

sudo apt install jfsutils

sudo dnf install jfsutils

sudo pacman -S jfsutils

sudo apk add jfsutils

sudo zypper install jfsutils

nix profile install nixpkgs#jfsutils

CAVEATS

JFS filesystems only. Unmount before use. Linux utility.

HISTORY

jfs_tune is part of jfsutils, providing administration tools for the JFS filesystem ported from IBM's AIX.