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SubjectAnnouncing Journaled File System (JFS) release 1.0.0 available
June 28, 2001:

IBM is pleased to announce the v 1.0.0 release of the open source
Journaled File System (JFS), a high-performance, and scalable file
system for Linux.

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

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

* Extent-based allocation

* 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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