From owner-aic7xxx@FreeBSD.ORG Thu Apr 3 16:15:34 2003 Return-Path: Delivered-To: aic7xxx@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 762F037B401 for ; Thu, 3 Apr 2003 16:15:34 -0800 (PST) Received: from mx01.netapp.com (mx01.netapp.com [198.95.226.53]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9F14E43FA3 for ; Thu, 3 Apr 2003 16:15:33 -0800 (PST) (envelope-from blakeg@netapp.com) Received: from frejya.corp.netapp.com (frejya [10.10.20.91]) h340FXZP024772 for ; Thu, 3 Apr 2003 16:15:33 -0800 (PST) Received: from svlexc01.hq.netapp.com (svlexc01.corp.netapp.com [10.10.22.171])h340FXC9027448 for ; Thu, 3 Apr 2003 16:15:33 -0800 (PST) Received: from svlexc05.hq.netapp.com ([10.10.22.124]) by svlexc01.hq.netapp.com with Microsoft SMTPSVC(5.0.2195.2966); Thu, 3 Apr 2003 16:15:33 -0800 X-MimeOLE: Produced By Microsoft Exchange V6.0.6249.0 content-class: urn:content-classes:message MIME-Version: 1.0 Date: Thu, 3 Apr 2003 16:15:33 -0800 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Adaptech 39160 but only 20mhz? Thread-Index: AcL6P06j0pfZE+jeTD+nwIP6Zq+MXg== From: "Golliher, Blake" To: X-OriginalArrivalTime: 04 Apr 2003 00:15:33.0087 (UTC) FILETIME=[4EBFC6F0:01C2FA3F] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.1 Subject: Adaptech 39160 but only 20mhz? X-BeenThere: aic7xxx@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Adaptec Device Drivers in FreeBSD and Linux List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Apr 2003 00:15:34 -0000 X-List-Received-Date: Fri, 04 Apr 2003 00:15:34 -0000 X-List-Received-Date: Fri, 04 Apr 2003 00:15:34 -0000 Hi all! This seems strange to me, but maybe one of ya'll have seen it. These = drives are from an old netapp box, hence the odd drive vendor. from /var/log/dmesg scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8 aic7899: Ultra160 Wide Channel B, SCSI Id=3D7, 32/253 SCBs scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8 aic7899: Ultra160 Wide Channel A, SCSI Id=3D7, 32/253 SCBs blk: queue c3609a14, I/O limit 4095Mb (mask 0xffffffff) Vendor: NETAPP Model: X245_HJURD036S10 Rev: NA01 Type: Direct-Access ANSI SCSI revision: 03 blk: queue c3609c14, I/O limit 4095Mb (mask 0xffffffff) Vendor: NETAPP Model: X245_HJURD036S10 Rev: NA01 Type: Direct-Access ANSI SCSI revision: 03 blk: queue c1f22014, I/O limit 4095Mb (mask 0xffffffff) scsi0:A:0:0: Tagged Queuing enabled. Depth 253 scsi0:A:1:0: Tagged Queuing enabled. Depth 253 blk: queue c1f22014, I/O limit 4095Mb (mask 0xffffffff) Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 Attached scsi disk sdb at scsi0, channel 0, id 1, lun 0 (scsi0:A:0): 40.000MB/s transfers (20.000MHz, offset 101, 16bit) SCSI device sda: 72205440 512-byte hdwr sectors (36969 MB) Partition check: sda: sda1 sda2 sda3 sda4 < sda5 > (scsi0:A:1): 40.000MB/s transfers (20.000MHz, offset 101, 16bit) SCSI device sdb: 72205440 512-byte hdwr sectors (36969 MB) sdb: sdb1 sdb2 from cat /proc/scsi/aic7xxx/0=20 Adaptec AIC7xxx driver version: 6.2.8 aic7899: Ultra160 Wide Channel B, SCSI Id=3D7, 32/253 SCBs Serial EEPROM: 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a=20 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a 0xc33a=20 0xb8f4 0x7d5d 0x2807 0x0010 0xffff 0xffff 0xffff 0xffff=20 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x0250 0x944e=20 Channel A Target 0 Negotiation Settings User: 160.000MB/s transfers (80.000MHz DT, offset 255, 16bit) Goal: 40.000MB/s transfers (20.000MHz, offset 101, 16bit) Curr: 40.000MB/s transfers (20.000MHz, offset 101, 16bit) Channel A Target 0 Lun 0 Settings Commands Queued 3252687 Commands Active 0 Command Openings 110 Max Tagged Openings 110 Device Queue Frozen Count 0 Channel A Target 1 Negotiation Settings User: 160.000MB/s transfers (80.000MHz DT, offset 255, 16bit) Goal: 40.000MB/s transfers (20.000MHz, offset 101, 16bit) Curr: 40.000MB/s transfers (20.000MHz, offset 101, 16bit) Channel A Target 1 Lun 0 Settings Commands Queued 16397 Commands Active 0 Command Openings 110 Max Tagged Openings 110 Device Queue Frozen Count 0 And, as expected, my performance isn't the greatest. [root@cuda scsi]# hdparm -tT /dev/sdb1=20 /dev/sdb1: Timing buffer-cache reads: 128 MB in 1.22 seconds =3D104.69 MB/sec Timing buffered disk reads: 64 MB in 2.49 seconds =3D 25.70 MB/sec [root@cuda scsi]#=20 So my question is, what kind of performance should I be expecting? And = is there anything I can do to fix this performance problem? These are = Hitachi JuraD disks at 10k rpm. Blake