Subject: Re: JFS
To: Brian Gregor <email@example.com>
From: Gary Duzan <firstname.lastname@example.org>
Date: 02/04/2000 07:34:13
In Message <Pine.SGI.email@example.com> ,
Brian Gregor <firstname.lastname@example.org> wrote:
=>IBM has released its journaling file system, JFS, under
=>the GPL. There is an e-mail drive at Daemon News to
=>convince them to also release it under the IBM Public
=>License so that it may be used with BSD.
=>Does anyone know how JFS compares with LFS in NetBSD?
JFS is more like FFS than LFS. The only thing that JFS logs is
metadata writes; the basic disk structure is FFS-like. I would
expect softdeps to provide a similar performance boost, with JFS
possibly preserving more metadata after a system crash.
Gary D. Duzan