Date: Thu, 24 Apr 1997 23:04:23 +0200 (MET DST) From: Wilko Bulte <wilko@yedi.iaf.nl> To: Alan.Judge@indigo.ie (Alan Judge) Cc: gibbs@plutotech.com, freebsd-scsi@freebsd.org, judgea@indigo.ie Subject: Re: Vendor specific ASCQ SCSI errors in 2.2-STABLE Message-ID: <199704242104.XAA01106@yedi.iaf.nl> In-Reply-To: <199704241511.QAA05458@indigo.ie> from "Alan Judge" at Apr 24, 97 04:11:25 pm
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As Alan Judge wrote... > > >>>>> Wilko Bulte <wilko@yedi.iaf.nl> writes: > Wilko> Any chance you can try things without the canisters? > > A lot of work alright, and I'm not sure I want to do that on a > production machine. Bear in mind that I've never seen the same > problem on the other bus (same config --- 4 drives in canisters). Same drives ? > I'll have to do some swapping, since I can't think of any better way > to narrow down which canister. What's the likelihood that the > disk producing the error is in the faulty canister? Hmm. I would not know. > Wilko> How much stublength does each canister introduce? > > Quiet a bit. Maybe 20cm round trip. Hmm. Long.. > Wilko> Are these canisters designed with Ultra SCSI speeds in mind? > > The booklet doesn't mention Ultra, so I'd guess no. Again: Hmmm. Ultra *is* sensitive to marginal busses. Wilko _ ____________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl - Arnhem, The Netherlands |/|/ / / /( (_) Do, or do not. There is no 'try' - Yoda --------------------------------------------------------------------------
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