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To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message From owner-freebsd-fs Mon Jul 30 19:20:54 2001 Delivered-To: freebsd-fs@freebsd.org Received: from smtp05.primenet.com (smtp05.primenet.com [64.211.219.54]) by hub.freebsd.org (Postfix) with ESMTP id 432CC37B401; Mon, 30 Jul 2001 19:20:52 -0700 (PDT) (envelope-from tlambert@usr01.primenet.com) Received: (from daemon@localhost) by smtp05.primenet.com (8.9.3/8.9.3) id TAA20338; Mon, 30 Jul 2001 19:20:51 -0700 (MST) Received: from usr01.primenet.com(206.165.6.201) via SMTP by smtp05.primenet.com, id smtpdAAAszaOPN; Mon Jul 30 19:20:45 2001 Received: (from tlambert@localhost) by usr01.primenet.com (8.8.5/8.8.5) id TAA28694; Mon, 30 Jul 2001 19:22:39 -0700 (MST) From: Terry Lambert Message-Id: <200107310222.TAA28694@usr01.primenet.com> Subject: Re: Porting a new filesystem to FreeBSD To: sumirati@yahoo.de (=?iso-8859-1?q?m=20p?=) Date: Tue, 31 Jul 2001 02:22:29 +0000 (GMT) Cc: jasonf@citynet.net, grog@FreeBSD.ORG, freebsd-fs@FreeBSD.ORG In-Reply-To: <20010717082210.76404.qmail@web13303.mail.yahoo.com> from "=?iso-8859-1?q?m=20p?=" at Jul 17, 2001 10:22:10 AM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > JFS would be a nice thing for > mail/database/http/file-servers. I can not state "that > filesystem is better than this". But a filesystem > developed by a big company to use it with linux - why > do we not port it? The license prevents us from using it as the boot FS, so we might as well just use an FS we are allowed to boot from, instead, since we have to have it around anyway. Note that the JFS that IBM put out for Linux is the OS/2 JFS -- the only thing of real value it brings to the table, IMO, is the btree directory structure, which you can put into FFS fairly easily (less than a days work). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message From owner-freebsd-fs Mon Jul 30 19:27:37 2001 Delivered-To: freebsd-fs@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 3429237B401 for ; Mon, 30 Jul 2001 19:27:34 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id DC4906ACBC; Tue, 31 Jul 2001 11:57:27 +0930 (CST) Date: Tue, 31 Jul 2001 11:57:27 +0930 From: Greg Lehey To: Terry Lambert Cc: m p , jasonf@citynet.net, freebsd-fs@FreeBSD.ORG Subject: Re: Porting a new filesystem to FreeBSD Message-ID: <20010731115727.B80898@wantadilla.lemis.com> References: <20010717082210.76404.qmail@web13303.mail.yahoo.com> <200107310222.TAA28694@usr01.primenet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200107310222.TAA28694@usr01.primenet.com>; from tlambert@primenet.com on Tue, Jul 31, 2001 at 02:22:29AM +0000 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Tuesday, 31 July 2001 at 2:22:29 +0000, Terry Lambert wrote: >> JFS would be a nice thing for >> mail/database/http/file-servers. I can not state "that >> filesystem is better than this". But a filesystem >> developed by a big company to use it with linux - why >> do we not port it? > > The license prevents us from using it as the boot FS, so > we might as well just use an FS we are allowed to boot > from, instead, since we have to have it around anyway. > > Note that the JFS that IBM put out for Linux is the OS/2 > JFS -- the only thing of real value it brings to the table, > IMO, is the btree directory structure, which you can put > into FFS fairly easily (less than a days work). The OS/2 JFS was the basis for the "new" JFS 2 under AIX. There would have been little point in releasing the sources for the "old" JFS, which is being phased out. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message From owner-freebsd-fs Mon Jul 30 23:37:35 2001 Delivered-To: freebsd-fs@freebsd.org Received: from albatross.prod.itd.earthlink.net (albatross.mail.pas.earthlink.net [207.217.120.120]) by hub.freebsd.org (Postfix) with ESMTP id 0DFFD37B401; Mon, 30 Jul 2001 23:37:33 -0700 (PDT) (envelope-from tlambert2@mindspring.com) Received: from mindspring.com (dialup-209.247.143.182.Dial1.SanJose1.Level3.net [209.247.143.182]) by albatross.prod.itd.earthlink.net (EL-8_9_3_3/8.9.3) with ESMTP id XAA00768; Mon, 30 Jul 2001 23:37:31 -0700 (PDT) Message-ID: <3B665253.1D8A22D5@mindspring.com> Date: Mon, 30 Jul 2001 23:38:11 -0700 From: Terry Lambert Reply-To: tlambert2@mindspring.com X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony} (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Greg Lehey Cc: Terry Lambert , m p , jasonf@citynet.net, freebsd-fs@FreeBSD.org Subject: Re: Porting a new filesystem to FreeBSD References: <20010717082210.76404.qmail@web13303.mail.yahoo.com> <200107310222.TAA28694@usr01.primenet.com> <20010731115727.B80898@wantadilla.lemis.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@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: > The OS/2 JFS was the basis for the "new" JFS 2 under AIX. There would > have been little point in releasing the sources for the "old" JFS, > which is being phased out. Which is a side issue to the fact that it's GPL'ed, and so it is not possible to legally distribute a CDROM with a kernel with the code linked into it. Having seen both the AIX GFS implementation of JFS, and the OS/2 JFS, I have to say that the AIX version is much better code, IMO. The "JFS 2" thing is inferior, IMO. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message From owner-freebsd-fs Mon Jul 30 23:41:30 2001 Delivered-To: freebsd-fs@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id C0AE437B405 for ; Mon, 30 Jul 2001 23:41:25 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 4AE616ACC3; Tue, 31 Jul 2001 16:11:19 +0930 (CST) Date: Tue, 31 Jul 2001 16:11:19 +0930 From: Greg Lehey To: Terry Lambert Cc: Terry Lambert , m p , jasonf@citynet.net, freebsd-fs@FreeBSD.org Subject: Re: Porting a new filesystem to FreeBSD Message-ID: <20010731161119.L80898@wantadilla.lemis.com> References: <20010717082210.76404.qmail@web13303.mail.yahoo.com> <200107310222.TAA28694@usr01.primenet.com> <20010731115727.B80898@wantadilla.lemis.com> <3B665253.1D8A22D5@mindspring.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3B665253.1D8A22D5@mindspring.com>; from tlambert2@mindspring.com on Mon, Jul 30, 2001 at 11:38:11PM -0700 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Monday, 30 July 2001 at 23:38:11 -0700, Terry Lambert wrote: > Greg Lehey wrote: >> The OS/2 JFS was the basis for the "new" JFS 2 under AIX. There would >> have been little point in releasing the sources for the "old" JFS, >> which is being phased out. > > Which is a side issue to the fact that it's GPL'ed, and so > it is not possible to legally distribute a CDROM with a > kernel with the code linked into it. The GPL is also a side issue to what I was talking about. But of course it's legally possible to distribute a CD-ROM with a kernel. We just need to change the license. The issue here is not of legality, but that we're not prepared to change the license. > Having seen both the AIX GFS implementation of JFS, and the OS/2 > JFS, I have to say that the AIX version is much better code, IMO. > The "JFS 2" thing is inferior, IMO. This makes no sense. My AIX box runs JFS2. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message From owner-freebsd-fs Wed Aug 1 2: 5:43 2001 Delivered-To: freebsd-fs@freebsd.org Received: from relay.kiev.sovam.com (relay.kiev.sovam.com [212.109.32.5]) by hub.freebsd.org (Postfix) with ESMTP id 9CC4F37B406 for ; Wed, 1 Aug 2001 02:05:36 -0700 (PDT) (envelope-from dimitry@al.org.ua) Received: from [212.109.32.117] (helo=dimitry-vm.kiev.sovam.com) by relay.kiev.sovam.com with esmtp (Exim 3.22 #4) id 15Rrwb-0005m3-00 for freebsd-fs@FreeBSD.ORG; Wed, 01 Aug 2001 12:05:33 +0300 Date: Wed, 1 Aug 2001 12:05:29 +0300 From: Dmitry Alyabyev X-Mailer: The Bat! (v1.51) UNREG / CD5BF9353B3B7091 Reply-To: Dmitry Alyabyev X-Priority: 3 (Normal) Message-ID: <198176393894.20010801120529@al.org.ua> To: freebsd-fs@FreeBSD.ORG Subject: Re: Adaptec 2100S RAID Performance X-Sender: Dmitry Alyabyev MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org hi AFAIK dd isn't good tool for that. Just use iozone - it's in port collection. But in other hand I'd like to follow this question and ask people which are using 2100S. I have 2100S with RAID1 of two Ultra2 disks under FreeBSD and Mylex with RAID0+1 with several Ultra3 disks. The results of iozone tests are terrible under FBSD in comparison with Linux (please see the figures below - I'm talking about random read/write). So I'd like to know WHAT IS THE BOTTLENECK - Ultra2 vs. Ultra3 OR Adaptec 2100S vs. Mylex OR FBSD io vs. Linux io (softupdate is set) For FBSD: Record Size 4 KB File size set to 1048576 KB Time Resolution = 0.000004 seconds. Processor cache size set to 1024 Kbytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. Throughput test with 3 processes Each process writes a 1048576 Kbyte file in 4 Kbyte records Children see throughput for 3 initial writers = 20621.72 KB/sec Parent sees throughput for 3 initial writers = 20134.93 KB/sec Min throughput per process = 6596.70 KB/sec Max throughput per process = 7042.41 KB/sec Avg throughput per process = 6873.91 KB/sec Min xfer = 983196.00 KB Children see throughput for 3 rewriters = 3043.30 KB/sec Parent sees throughput for 3 rewriters = 3043.25 KB/sec Min throughput per process = 1006.05 KB/sec Max throughput per process = 1019.20 KB/sec Avg throughput per process = 1014.43 KB/sec Min xfer = 1035048.00 KB Children see throughput for 3 random readers = 964.08 KB/sec Parent sees throughput for 3 random readers = 964.07 KB/sec Min throughput per process = 321.22 KB/sec Max throughput per process = 321.44 KB/sec Avg throughput per process = 321.36 KB/sec Min xfer = 1047860.00 KB Children see throughput for 3 random writers = 440.61 KB/sec Parent sees throughput for 3 random writers = 438.70 KB/sec Min throughput per process = 146.49 KB/sec Max throughput per process = 147.42 KB/sec Avg throughput per process = 146.87 KB/sec Min xfer = 1041952.00 KB For Linux: Record Size 4 KB File size set to 1048576 KB Time Resolution = 0.000001 seconds. Processor cache size set to 1024 Kbytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. Throughput test with 3 processes Each process writes a 1048576 Kbyte file in 4 Kbyte records Children see throughput for 3 initial writers = 34334.45 KB/sec Parent sees throughput for 3 initial writers = 20504.82 KB/sec Min throughput per process = 10804.76 KB/sec Max throughput per process = 12669.23 KB/sec Avg throughput per process = 11444.82 KB/sec Min xfer = 896260.00 KB Children see throughput for 3 rewriters = 21032.06 KB/sec Parent sees throughput for 3 rewriters = 14973.13 KB/sec Min throughput per process = 7010.16 KB/sec Max throughput per process = 7011.58 KB/sec Avg throughput per process = 7010.69 KB/sec Min xfer = 1048576.00 KB Children see throughput for 3 random readers = 1637.39 KB/sec Parent sees throughput for 3 random readers = 1637.35 KB/sec Min throughput per process = 528.07 KB/sec Max throughput per process = 560.51 KB/sec Avg throughput per process = 545.80 KB/sec Min xfer = 987920.00 KB Children see throughput for 3 random writers = 5057.66 KB/sec Parent sees throughput for 3 random writers = 3441.19 KB/sec Min throughput per process = 1613.77 KB/sec Max throughput per process = 1754.04 KB/sec Avg throughput per process = 1685.89 KB/sec Min xfer = 964792.00 KB -- Dimitry Wednesday, July 18, 2001, 10:00:04 PM, Adrian Gonzalez wrote: > Hello everyone > Sorry if this is slightly off topic, but I couldn't find anything similar > on the archives. Here goes... > I recently got an Adaptec 2100S single channel RAID controller (Ultra 160) > and 4 Seagate Cheetah 18G 15K RPM drives. > Basically, I mounted the 4 drives in a very nice but somewhat pricey > enclosure from Storcase (http://www.storcase.com) and connected the array > to the Adaptec card using a 3 ft Ultra-160 cable. The array was configured > as RAID 1+0 (two pairs of two-drive RAID1 arrays) to get the best performance. > FreeBSD 4.3 happily detected the controller and the disk array. I created > a single partition and mounted it under /raid. > Now for the question: What kind of performance should I expect from the > array? I did simple tests like: > dd if=/dev/zero of=test.file bs=1024k count=1000 > and wasn't terribly impressed with the performance. dd reported about > 44Meg/sec reads and 18Meg/sec writes on average. I know this isn't a > terribly reliable way to test the performance, and I'm hoping the > advantages of using RAID will show themselves once this array is in a > production server under a multiuser environment, but I can't help feeling > it's somewhat on the slow side. > Anyone have a similar setup or some suggestions for better ways to > benchmark this array? > Since this is somewhat off-topic, please reply directly to me. I will post > any interesting results/observations to the list. > Thank you > -Adrian > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message