From owner-freebsd-stable Fri Jul 6 3:26:55 2001 Delivered-To: freebsd-stable@freebsd.org Received: from mailgate.abacus.co.uk (mailgate.abacus.co.uk [194.130.48.21]) by hub.freebsd.org (Postfix) with ESMTP id 9C8B737B405; Fri, 6 Jul 2001 03:26:42 -0700 (PDT) (envelope-from antony@abacus.co.uk) Received: from abacus.co.uk (pcantony.bl.abacus.co.uk [194.130.48.111]) by mailgate.abacus.co.uk (8.9.3/8.9.3) with ESMTP id LAA19057; Fri, 6 Jul 2001 11:25:33 +0100 Message-ID: <3B459395.120DFE27@abacus.co.uk> Date: Fri, 06 Jul 2001 11:31:49 +0100 From: Antony T Curtis Organization: Abacus Polar PLC (UK) X-Mailer: Mozilla 4.76 [en] (X11; U; FreeBSD 4.1.1-STABLE i386) X-Accept-Language: en MIME-Version: 1.0 To: Greg Lehey Cc: freebsd-stable@FreeBSD.ORG Subject: Re: JFS (was: The FreeBSD core team needs your help) References: <20010608134705.19635.qmail@web14701.mail.yahoo.com> <004001c0f030$36a0d3e0$0600020a@frontend> <20010612120958.G10614@tao.org.uk> <20010612192245.4ce69cf3.steveo@eircom.net> <20010613102151.G5486@wantadilla.lemis.com> <3B42F210.C49FCED8@abacus.co.uk> <20010705090711.D371@sydney.worldwide.lemis.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Greg Lehey wrote: > > On Wednesday, 4 July 2001 at 11:38:08 +0100, Antony T Curtis wrote: > > Greg Lehey wrote: > >> > >> On Tuesday, 12 June 2001 at 19:22:45 +0200, Steve O'Hara-Smith wrote: > >>> On Tue, 12 Jun 2001 12:09:58 +0100 > >>> Josef Karthauser wrote: > >>> > >>>> On Fri, Jun 08, 2001 at 08:32:23AM -0700, Eric Parusel wrote: > >>>>>>> A journalling FS for those people who just hate waiting for a > >>>>> couple > >>>>>>> of > >>>>>>> TB of slow disks to fsck? > >>>>>> > >>>>>> Does ReiserFS work with FreeBSD? > >>>>> > >>>>>> From what I've read, XFS is quite good as well.... (Whether or not it > >>>>> could ever work with *BSD, I don't know) > >>>> > >>>> Apparently XFS would run better on FreeBSD than on Linux, from what > >>> > >>> Whatever happened to the open source release of JFS, or is JFS really > >>> bad ? > >> > >> The open source version of JFS was based on OS/2, not AIX. It's not > >> an overly good fit to UNIX. > > > > That was only because AIX's JFS implementation was so closely bound into > > their kernel that there was no easy way to "port" it out of it. Also, > > AFAIK, it was written in a mesh of different languages too, including > > POWER architecture assembly. > > > > The OS/2 version was the first clean implementation to plug into OS/2's > > IFS driver model - and being written in C, it is much more 'portable'. > > (AFAIK, it was supposed to be able to be recompiled for OS/2 for CHRP > > PowerPC) > > Since writing that (quite some time ago, IIRC) I have joined IBM and > am now working with the people who did the JFS port. They > substantially confirm your viewpoint, with the added information that > the "old" JFS, now called JFS 1, is being phased out under AIX, and > the "new" AIX JFS, JFS 2, is based on the same code base as the OS/2 > port. With that background, IBM's approach makes a lot more sense. > It's a pity that this issue wasn't clarified earlier. Is it JFS2 in AIX5L or will there be a backport to AIX4.3? > > All said, I would be interested in a JFS port for FreeBSD .... > > I'm going to be doing a lot of work on JFS in the next few months. I > don't think I'll port it to FreeBSD, but I'll be available for > questions, and I'll have a better understanding. Sounds great... I wonder if they'd accept back in diffs. > >> unix soit qui mal y pense > > You're aware that the original word of this phrase, "hon(n)i", means > "ashamed"? I didn't have a clue... My sig has a different fortune for every email. -- ANTONY T CURTIS Tel: +44 (1635) 36222 Abacus Polar Holdings Ltd Fax: +44 (1635) 38670 > Today is the first day of the rest of the mess To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message