From owner-freebsd-current Sat Jan 22 14:55:27 2000 Delivered-To: freebsd-current@freebsd.org Received: from cage.tse-online.de (cage.tse-online.de [194.97.69.170]) by hub.freebsd.org (Postfix) with SMTP id B70D614FA8 for ; Sat, 22 Jan 2000 14:55:21 -0800 (PST) (envelope-from ab@cage.tse-online.de) Received: (qmail 2594 invoked by uid 1000); 22 Jan 2000 22:56:03 -0000 Date: Sat, 22 Jan 2000 23:56:03 +0100 From: Andreas Braukmann To: current@freebsd.org Cc: msmith@freebsd.org Subject: Mylex AcceleRAID 250 Message-ID: <20000122235603.C69151@cage.tse-online.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i Organization: TSE GmbH - Neue Medien Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi Mike, ... today I tried to build our first Mylex-RAID based FreeBSD-system. Hardware (if you need any more details, just feel free to ask): Gigabyte Dual PPro Board, Natoma, 2*PPro/200 dual channel SymbiosLogic SCSI-Hostadapter (BIOS deactivated), - no disks - just one CD-ROM on the first channel Mylex AcceleRAID 250/8MB ECC-Cache - EzAssist 1.00-16 - Controller 0: DAC960PTL1, FW V4.07-29 - 8 GB BIOS translation - 3 * IBM DNES DNES-309170W - RAID-5, 2 logical disks FreeBSD 4.0-current snapshot 20000103 The installation (over nfs) went very well. I sliced and labeled just the mlxd0. mlxd0s1 was set bootable and I've chosen to install a standard mbr. On Reboot I just get an 'missing operating system'. If I boot from the install floppies again, the RAID-volume ist detected fine. Do you have any hints on what to try next? As I am talking to you yet in any case, I would like to ask you what cache-size to choose. Is it really advisable to stuff the full 64 MByte onto the controller? Where lies the 'sweet-spot' on the cache-size/performance curve? Kind regards and thanks in advance, Andreas P.S. Thanks for this very valuable driver. We're now able to support RAID-configurations even in a 'small-server' setup. The AccelRaid 250 is about $500 in Germany, very affordable compared to a full-blown SCSI2SCSI CMD5440 or the like. -- : TSE GmbH Neue Medien : Gsf: Arne Reuter : : : Hovestrasse 14 : Andreas Braukmann : We do it with : : D-48351 Everswinkel : HRB: 1430, AG WAF : FreeBSD/SMP : :--------------------------------------------------------------------: : Anti-Spam Petition: http://www.politik-digital.de/spam/ : : PGP-Key: http://www.tse-online.de/~ab/public-key : : Key fingerprint: 12 13 EF BC 22 DD F4 B6 3C 25 C9 06 DC D3 45 9B : To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message