From owner-freebsd-performance@FreeBSD.ORG Fri Jul 4 23:34:06 2003 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A0C3237B401 for ; Fri, 4 Jul 2003 23:34:06 -0700 (PDT) Received: from mail.webjockey.net (mail.webjockey.net [208.141.46.3]) by mx1.FreeBSD.org (Postfix) with ESMTP id 85CA443FAF for ; Fri, 4 Jul 2003 23:34:05 -0700 (PDT) (envelope-from gary@outloud.org) Received: from cheeta-vmcymvfy.outloud.org (wv-mrtnbrg-cmts1a-a-168.shphwv.adelphia.net [68.67.224.168]) by mail.webjockey.net (8.12.9/8.12.8) with ESMTP id h656YbQT043968 for ; Sat, 5 Jul 2003 02:34:38 -0400 (EDT) (envelope-from gary@outloud.org) Message-Id: <6.0.0.10.0.20030705022833.025a2c88@localhost> X-Sender: ancient/208.141.46.3@localhost X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.10 (Beta) Date: Sat, 05 Jul 2003 02:34:05 -0400 To: freebsd-performance@freebsd.org From: Gary Stanley Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Subject: SCSI Bus tuning. X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Jul 2003 06:34:06 -0000 Hiya. With Adaptec 2120S Raid Controllers (PCI-X 66mhz) and 5 or 6 Ultra320 RAID5 drives, what's the maximum data rate I could achieve on the array? It currently seems to max out around 30mbyte/s with a small amount of burst. procs memory page disks faults cpu r b w avm fre flt re pi po fr sr aa0 md0 in sy cs us sy id 0 8 0 264040 75156 83 3 0 0 8321 8310 0 0 8251 23037 2613 14 58 28 6 2 0 265680 85652 80 0 0 0 8375 10985 651 0 8477 177349 3938 14 62 24 6 2 0 265780 95692 20 0 0 2 8419 11011 651 0 8426 201621 3493 12 62 26 tty aacd0 acd0 fd0 cpu tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id 0 2 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 14 0 33 25 28 0 77 51.71 637 32.18 0.00 0 0.00 0.00 0 0.00 7 0 26 24 43 0 76 51.38 656 32.94 0.00 0 0.00 0.00 0 0.00 9 0 27 25 39 0 76 51.85 616 31.18 0.00 0 0.00 0.00 0 0.00 8 0 26 26 39 0 76 51.56 636 32.01 0.00 0 0.00 0.00 0 0.00 6 0 22 24 47 ITEM SIZE LIMIT USED FREE REQUESTS PIPE: 160, 0, 4, 98, 20542 SWAPMETA: 160, 233016, 19, 57, 12493 unpcb: 160, 0, 46, 54, 21349 ripcb: 192, 131070, 0, 42, 5 syncache: 160, 15359, 8, 273, 2099188 tcpcb: 576, 131070, 3956, 2664, 1970515 udpcb: 192, 131070, 6, 36, 243 socket: 192, 131070, 4008, 2690, 1992113 DIRHASH: 1024, 0, 471, 377, 3917 KNOTE: 64, 0, 6882, 2782, 3950885 NFSNODE: 352, 0, 647, 849, 2379 NFSMOUNT: 544, 0, 2, 12, 2 VNODE: 192, 0, 34216, 22, 34216 NAMEI: 1024, 0, 0, 32, 22168837 VMSPACE: 192, 0, 45, 83, 38265 PROC: 416, 0, 51, 47, 38271 DP fakepg: 64, 0, 0, 0, 0 PV ENTRY: 28, 2690702, 140870, 383281, 23461659 MAP ENTRY: 48, 0, 3633, 5760, 3394017 KMAP ENTRY: 48, 64455, 233, 151, 83750 MAP: 108, 0, 7, 3, 7 VM OBJECT: 92, 0, 32805, 99, 595113 If it helps any, Dual Xeon 2.0ghz procs, 2 gigs of ram, supermicro board, etc.