Date: Tue, 21 Jul 1998 15:39:11 -0400 (EDT) From: "B. Richardson" <rabtter@aye.net> To: Tom <tom@uniserve.com> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Timed out while idle :-( Message-ID: <Pine.SGI.3.95.980721153338.26912A-100000@orion.aye.net> In-Reply-To: <Pine.BSF.3.96.980721120122.22129E-100000@shell.uniserve.ca>
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Have only one drive per channel at the moment (still just testing), therefore each drive should be terminated. A lot of folks seem to be using the CAM drivers on adaptecs with good success, just not me. Brands that use the NCR 875 chipset? - Barrett Richardson rabtter@orion.aye.net On Tue, 21 Jul 1998, Tom wrote: > > On Tue, 21 Jul 1998, B. Richardson wrote: > > > Started out with 2.2.5 and an adaptec 2940 and two (unterminated) > > Seagate drives and everything was fine. Added a 3940, a Quantum > > drive, installed 2.2-19980629-RELEASE and cam drivers on 6/29. > > The message below appeared. The quantum was terminated, the seagates > > were not, so I terminated the seagates (at this point all three drives > > were terminated via a termination block that was on an adapter that > > the hotswappable drives plugged into). The ugly message came back, > > You can't just terminate at whim. The last drive in a SCSI chain must > be terminated. No more, no less. Terminating all drives is very bad. > > > but not as quickly. After some juggling, I discovered that the > > seagates were not happy being terminated with the termination block > > on the hot swap adapters. I got some active terminators and terminated > > a single seagate with it. Then the problem would alway appear on > > places other than that drive so I thought it was fixed. As a final > > test, I ran bonnie on with the two seagates only in the machine, each > > on a separate channel, and each terminated with an active terminator. > > The ugly message returned. Been struggling with it since 6/29 and > > about to scrap the idea. This was to be a squid box (performs really > > well until filesystems freeze) and this project is at the do or die > > phase. My client is going back into the loop of proprietary > > hardware/software if I can't make it fly. If I can make it fly, they > > want to build several large scale systems. > > I've always found Seagate drives to be stable with the Adaptec driver (I > only use Barracuda 4XL or 4LP). Quantum drives are another story. > > I would try an NCR 875 based card. > > Tom > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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