Date: Mon, 16 Nov 1998 11:13:56 +0100 From: Ron Klinkien <root@zappa.demon.nl> To: Eric Hodel <hodeleri@seattleu.edu> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Adaptec SCSI messages Message-ID: <19981116111356.B5504@zappa.demon.nl> In-Reply-To: <364FBA8D.DE31C778@seattleu.edu>; from Eric Hodel on Sun, Nov 15, 1998 at 09:39:25PM -0800 References: <199811160525.WAA25664@panzer.plutotech.com> <364FBA8D.DE31C778@seattleu.edu>
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On Sun, Nov 15, 1998 at 09:39:25PM -0800, Eric Hodel wrote: > > > "Kenneth D. Merry" wrote: > <snip> > > > changing root device to da0s1a > > > da0 at ahc0 bus 0 target 6 lun 0 > > > da0: <QUANTUM VIKING II 4.5WLS 3506> Fixed Direct Access SCSI2 device > > > da0: 40.0MB/s transfers (20.0MHz, offset 31, 16bit), Tagged Queueing Enabled > > > da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C) > > > > Do you have this disk plugged into the Ultra2 port on the motherboard? If > > it is an Ultra 2 device, it should probbe at 40MHz. (assuming you don't > > have any non-Ultra2 peripherals on the Ultra 2 port) > > You probably do have the HDD plugged into the SE instead of the LVD connection, > I have the same controller/drive setup and it reports 80.0MB/s Hmmm, I'll now have really a good reason to open the box again. I allways had the feeling this system could be a bit faster with disk access.. I have experience with scsi being an Sun Sparc engineer and owned an Amiga, but there are so many different scsi cables and ports included with this mainboard ;-) I may have overlooked something. > > <snip> > > > It doens't seem to matter how long the scsi timeout is set in the kernel. > > > The Quantum disk is an UltraWide2 type, and so is the onboard scsi controller > > > (Asus P2BS mainboard.) > > > > > > Can I alter scsi driver or kernel parameters to get rid of this timeout delay? > Maybe it has something to do with the hd firmware like with some other Quantum disks. > > > > It may well be a firmware bug. I don't think tuning any kernel parameters > > will fix it. > > You can set your kernel to have a shorter timeout delay. I can't recall the > exact option, check the LINT kernel. On the boot floppy kernel its 15 seconds, > and on the generic its 8 (I think) I adjusted it down to 4, and haven't had a > problem. > I had it configured at 4 seconds, the last kernel was build with 10 , it rebooted ok then, but i think it was because of something else... Thanks, Ron. <snip> > > Eric Hodel > hodeleri@seattleu.edu > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message -- --- "You could jam in Joe's garage..." -FZ Ron Klinkien System Engineer ron@zappa.demon.nl http://www.zappa.demon.nl To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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