From owner-freebsd-scsi@FreeBSD.ORG Wed Apr 21 18:45:42 2004 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2ED2C16A4CE for ; Wed, 21 Apr 2004 18:45:42 -0700 (PDT) Received: from anuket.mj.niksun.com (gwnew.niksun.com [65.115.46.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id 50EA343D2D for ; Wed, 21 Apr 2004 18:45:41 -0700 (PDT) (envelope-from ath@niksun.com) Received: from stiegl.mj.niksun.com (stiegl.mj.niksun.com [10.70.0.231]) i3M1jNRl014826; Wed, 21 Apr 2004 21:45:23 -0400 (EDT) (envelope-from ath@stiegl.mj.niksun.com) X-RAV-AntiVirus: This e-mail has been scanned for viruses. Received: by stiegl.mj.niksun.com (Postfix, from userid 1002) id 5E25E16521; Wed, 21 Apr 2004 21:45:23 -0400 (EDT) From: Andrew Heybey To: Don Bowman References: Date: Wed, 21 Apr 2004 21:45:23 -0400 In-Reply-To: (Don Bowman's message of "Thu, 15 Apr 2004 22:40:02 -0400") Message-ID: <85llkoyedo.fsf@stiegl.mj.niksun.com> User-Agent: Gnus/5.1002 (Gnus v5.10.2) XEmacs/21.4 (Reasonable Discussion, berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-scsi@freebsd.org Subject: Re: freebsd, adaptec aic7902, 4 or more seagate drives == resets X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Apr 2004 01:45:42 -0000 Don Bowman writes: > has anyone successfully used 4 or more seagate > [10K or 15K] U320 drives on a single scsi > bus with an adaptec aic7902 controller? Yes. Six, to be precise: ahd0: port 0x4000-0x40ff,0x3800-0x38ff mem 0xfe9e0000-0xfe9e1fff irq 19 at device 7.0 on pci4 aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs ahd1: port 0x3400-0x34ff,0x3000-0x30ff mem 0xfe9f0000-0xfe9f1fff irq 20 at device 7.1 on pci4 aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs Waiting 5 seconds for SCSI devices to settle ses0 at ahd1 bus 0 target 6 lun 0 ses0: Fixed Processor SCSI-2 device ses0: 3.300MB/s transfers ses0: SAF-TE Compliant Device da0 at ahd1 bus 0 target 0 lun 0 da0: Fixed Direct Access SCSI-3 device da0: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da0: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da2 at ahd1 bus 0 target 2 lun 0 da2: Fixed Direct Access SCSI-3 device da2: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da2: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da1 at ahd1 bus 0 target 1 lun 0 da1: Fixed Direct Access SCSI-3 device da1: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da1: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da5 at ahd1 bus 0 target 5 lun 0 da5: Fixed Direct Access SCSI-3 device da5: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da5: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da4 at ahd1 bus 0 target 4 lun 0 da4: Fixed Direct Access SCSI-3 device da4: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da4: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) da3 at ahd1 bus 0 target 3 lun 0 da3: Fixed Direct Access SCSI-3 device da3: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled da3: 70007MB (143374744 512 byte sectors: 255H 63S/T 8924C) Mounting root from ufs:/dev/da0s1a This is an Intel SE7501WV2, running a basterdized FreeBSD 4.2 with various backported fixes and the ahd driver from -STABLE. It works fine, and we notice disk problems. andrew