JFS is widely recognized as an industry-leading high-performance
file system, providing rapid recovery from a system power outage or
crash and the ability to support extremely large disk
configurations. The open source JFS is based on proven journaled
file system technology that is available in a variety of operating
systems such as AIX and OS/2.
JFS was open sourced under the GNU General Public License with
release v 0.0.1 on February 2. 2000 and has matured with help and
support of the open source community and its "Enterprise ready"
release today is due to joint work between the JFS team and the
community. Following the development style of "Release Early,
Release Often" the JFS open source project has seen 37 interim
releases as part of the process.
The open source JFS for Linux v 1.0.0 is released for the Linux
2.4.x kernel and offers the following advanced features:
Fast recovery after a system crash or power outage
Journaling for file system integrity
Journaling of meta-data only
Excellent overall performance
64 bit file system
Built to scale. In memory and on-disk data structures are
designed to scale beyond practical limit
Designed to operate on SMP hardware and also a great file
system for your workstation
Completely free of prerequisite kernel changes (easy
integration path into the kernel source tree)
Detailed Howto for creating a system with JFS as the /boot and
/root file system using lilo
Complete set of file system utilities
On-disk compatibility with OS/2 JFS file systems
The JFS Team (Barry Arndt, Steve Best, Dave Kleikamp)
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