Date: Thu, 22 Oct 1998 14:41:32 -0600 (MDT) From: "Kenneth D. Merry" <ken@plutotech.com> To: kpielorz@tdx.co.uk (Karl Pielorz) Cc: eric@tarsier.domain.net, freebsd-hackers@FreeBSD.ORG Subject: Re: possible CAM problem, ahc/st34371w Message-ID: <199810222041.OAA18094@panzer.plutotech.com> In-Reply-To: <362F92CB.F0C5E15A@tdx.co.uk> from Karl Pielorz at "Oct 22, 98 09:17:15 pm"
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Karl Pielorz wrote... > > > "Kenneth D. Merry" wrote: > > > > I am using an Adaptec 2940UW: > > > > > > ahc0: <Adaptec 2940 Ultra SCSI adapter> rev 0x00 int a irq 12 on pci0.9.0 > > > ahc0: aic7880 Wide Channel A, SCSI > > > Id=7, 16/255 SCBs > > > > > > And a st34371w disk: > > da0 at ahc0 bus 0 target 0 lun 0 > > da0: <SEAGATE ST34371W 0280> Fixed Direct Access SCSI2 device > > da0: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged > Queueing Enabled > > da0: 4148MB (8496960 512 byte sectors: 255H 63S/T 528C) > > I have three of those drives, mine ID a little differently though... > > da4 at ahc2 bus 0 target 8 lun 0 > da4: <SEAGATE ST34371W 0202> Fixed Direct Access SCSI2 device > da4: 20.0MB/s transfers (10.0MHz, offset 8, 16bit) > da4: 4148MB (8496960 512 byte sectors: 255H 63S/T 528C) > > Your firmware seems to be a little older than mine - but the drive also > seems to be saying it will do 40.0MB/s transfers? - The one I have is Wide, > but not Ultra wide... Does yours say in the spec it's UltraWide? (I guess > they may have updated the drive and kept the same ID, i.e. ST34371W)... His firmware looks newer than yours. 0280 > 0202. > I also get problems if I leave Tagged Command Queuing enabled, there again I > also seen to be getting problems with it completely disabled, but not as > many (and nothing sadly relating to Parity)... I think his problem is different than the one you have. Yours looks like a firmware bug, his looks like a cabling problem. It is of course possible that he'll run into a firmware bug once he fixes his cabling problem. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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