From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 29 Jan 2001 00:12:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 29 Jan 2001 00:12:05 -0500 Received: from smtp-server.maine.rr.com ([204.210.65.66]:14997 "HELO smtp-server.maine.rr.com") by vger.kernel.org with SMTP id ; Mon, 29 Jan 2001 00:12:01 -0500 Message-ID: <001601c089b0$b1ec80d0$b001a8c0@caesar> From: "paradox3" To: "Michael Brown" , In-Reply-To: Subject: Re: Poor SCSI drive performance on SMP machine, 2.2.16 Date: Mon, 29 Jan 2001 00:02:35 -0500 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_0013_01C08986.C8F05330" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. ------=_NextPart_000_0013_01C08986.C8F05330 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Here is the output from dmesg. How do I tell if it is improperly terminated? Thanks, Para-dox (paradox3@maine.rr.com) ----- Original Message ----- From: "Michael Brown" To: Sent: Sunday, January 28, 2001 11:12 PM Subject: Re: Poor SCSI drive performance on SMP machine, 2.2.16 > Your problem appears to be improper SCSI termination. > > You need to either > 1) make sure your SCSI drive has termination enabled > or > 2) move your SCSI drive to the middle connector and put a terminator on > the last connector > > Check your syslog and post to l-k the part where it detects your drives. > I'll bet the adapter is throttling back quite dramatically in the presence > of improper termination. > > -- > Michael Brown > > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com > > ------=_NextPart_000_0013_01C08986.C8F05330 Content-Type: text/plain; name="dmesg.txt" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="dmesg.txt" (scsi0) found at PCI 0/12/0=0A= (scsi0) Wide Channel, SCSI ID=3D7, 32/255 SCBs=0A= (scsi0) Downloading sequencer code... 392 instructions downloaded=0A= scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.31/3.2.4=0A= =0A= scsi : 1 host.=0A= (scsi0:0:0:0) Synchronous at 40.0 Mbyte/sec, offset 15.=0A= Vendor: IBM Model: DGHS09U Rev: 0350=0A= Type: Direct-Access ANSI SCSI revision: 03=0A= Detected scsi disk sda at scsi0, channel 0, id 0, lun 0=0A= scsi : detected 1 SCSI disk total.=0A= SCSI device sda: hdwr sector=3D 512 bytes. Sectors=3D 17916240 [8748 MB] = [8.7 GB]=0A= Partition check:=0A= sda: sda1 sda2 sda3=0A= ------=_NextPart_000_0013_01C08986.C8F05330-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/