Date: Mon, 6 Mar 2006 10:31:38 -0700 From: Ken Gunderson <kgunders@teamcool.net> To: freebsd-amd64@freebsd.org Subject: Re: major pita w/LSI Tyan TA26 combo Message-ID: <20060306103138.47e23f8d.kgunders@teamcool.net> In-Reply-To: <440C6490.3060602@datafarm.de> References: <20060303133844.451cb4f7.kgunders@teamcool.net> <200603031343.10334.fcash@ocis.net> <E8B9BFA8-AEF9-4820-8817-523ACAC53B18@khera.org> <200603060807.32455.fcash@ocis.net> <440C6490.3060602@datafarm.de>
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On Mon, 06 Mar 2006 17:34:24 +0100 "V. T. Mueller" <freebsd-amd64@datafarm.de> wrote: > > Hello, > > Freddie Cash schrieb: > > On Sunday 05 March 2006 08:48 am, Vivek Khera wrote: > >>Interesting... They never said that to me. I have an issue with an > >>external Dell Powervault array that always reports failure of > >>whatever is in position 0 once the array is active. It will format > >>it, etc. without failure. If I swap the channels on the 320-2X card, > >>the error stays with position 0 on the array. If I drop the channel > >>down to U160 from U320, no errors. This leads me to believe that the > >>backplane of the array box is not up to spec for U320. > > > > > > Is that connected to a riser card that is connected to the motherboard? > > > > We only have problems when the MegaRAID card is plugged into a riser card. > > When it's plugged directly into the motherboard, it runs perfectly. > > We used to have problems with adapters running at 66MHz or more > using risercards in a number of Tyan S2707. Those risercards came > from Chenbro, along with the cases. By replacing them with Tyan > risercards (which became available a few months *after* the boards) > those problems vanished. > > And now comes the interesting part: Months later, problems began to > reoccur. In the end we found out that the power supplies were of > somewhat low quality. Replacing the power supply helped in every > system that was affected. Could you please provide more details about the low quality units, e.g. make and model? TIA-- -- Best regards, Ken Gunderson Q: Because it reverses the logical flow of conversation. A: Why is putting a reply at the top of the message frowned upon?
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