From owner-freebsd-isp Wed Oct 24 4:40:45 2001 Delivered-To: freebsd-isp@freebsd.org Received: from cage.simianscience.com (cage.simianscience.com [64.7.134.1]) by hub.freebsd.org (Postfix) with ESMTP id BE7B637B406 for ; Wed, 24 Oct 2001 04:40:41 -0700 (PDT) Received: (from root@localhost) by cage.simianscience.com (8.11.6/8.11.6) id f9OBee434159; Wed, 24 Oct 2001 07:40:40 -0400 (EDT) (envelope-from mike@sentex.net) Received: from chimp.sentex.net (fcage [192.168.0.2]) by cage.simianscience.com (8.11.6/8.11.6av) with ESMTP id f9OBeZ634151; Wed, 24 Oct 2001 07:40:36 -0400 (EDT) (envelope-from mike@sentex.net) Message-Id: <5.1.0.14.0.20011024074004.02567da0@192.168.0.12> X-Sender: mdtancsa@192.168.0.12 X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Wed, 24 Oct 2001 07:40:34 -0400 To: "Lawrence Farr" From: Mike Tancsa Subject: RE: 3Ware Escalade vs. Adaptec 2400A - test results Cc: In-Reply-To: <002501c15c7a$e15cded0$c806a8c0@lfarr> References: <001c01c15ba1$74cf9cf0$c806a8c0@lfarr> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Virus-Scanned: by AMaViS perl-10 Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org What are the management tools like for the card ? Any sense of stability ? ---Mike At 11:58 AM 10/24/2001 +0100, Lawrence Farr wrote: >Here are the results of a quick test of the Adaptec 2400A vs 3Ware 7xxx >Series. > >I have 4 x Western Digital WD100BB 100Gb Drives connected to an Adaptec >2400A controller >with 32Mb of cache setup as a Raid5 volume. >Using a simple script to generate a 1Gb file and read it back, I filled >the disk completely. > > >From the logs it generated: > >64Kb Stripe size: > >Pass 6 - 1048576 kb written in 89 seconds, at 11781 kb/Sec >Pass 6 - 1048576 kb read in 35 seconds, at 29959 kb/Sec >Pass 7 - 1048576 kb written in 88 seconds, at 11915 kb/Sec >Pass 7 - 1048576 kb read in 36 seconds, at 29127 kb/Sec > >256Kb Stripe size: > >Pass 6 - 1048576 kb written in 84 seconds, at 12483 kb/Sec >Pass 6 - 1048576 kb read in 42 seconds, at 24966 kb/Sec >Pass 7 - 1048576 kb written in 84 seconds, at 12483 kb/Sec >Pass 7 - 1048576 kb read in 43 seconds, at 24385 kb/Sec > >And the 3Ware in Raid5 using 8 disks, 64k Stripe size: > >Pass 23 - 1048576 kb written in 115 seconds, at 9118 kb/Sec >Pass 23 - 1048576 kb read in 15 seconds, at 69905 kb/Sec >Pass 24 - 1048576 kb written in 116 seconds, at 9039 kb/Sec >Pass 24 - 1048576 kb read in 15 seconds, at 69905 kb/Sec > >Not really a straight comparison as the 3Ware has more spindles, but >that's as quick as it goes. > >Iozone reckons: > >File size set to 10240 KB > Time Resolution = 0.000005 seconds. > Processor cache size set to 1024 Kbytes. > Processor cache line size set to 32 bytes. > File stride size set to 17 * record size. > random >random bkwd record stride > KB reclen write rewrite read reread read >write read rewrite read fwrite frewrite fread freread > 10240 4 17051 12833 201499 201916 168562 >6888 182840 310519 171512 16444 17486 171286 171409 > >It's a damn shame about 3Ware. > >Lawrence Farr >EPC Direct Limited mailto:lawrence@epcdirect.co.uk >T:01179666123 F:01179666111 M:07970780901 -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message