Date: Fri, 3 Mar 2006 14:50:07 -0700 From: Ken Gunderson <kgunders@teamcool.net> To: freebsd-amd64@freebsd.org Subject: Re: major pita w/LSI Tyan TA26 combo Message-ID: <20060303145007.2c91a5d9.kgunders@teamcool.net> In-Reply-To: <200603031343.10334.fcash@ocis.net> References: <20060303133844.451cb4f7.kgunders@teamcool.net> <200603031343.10334.fcash@ocis.net>
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On Fri, 3 Mar 2006 13:43:09 -0800 Freddie Cash <fcash@ocis.net> wrote: > On Friday 03 March 2006 12:38 pm, Ken Gunderson wrote: > > Been there and done that w/this before but I'm exasperated and don't > > know where to go from here. > > > Anyways, system details: > > FreeBSD 5.4 and 6.0 > > Tyan TA26 <http://www.tyan.com/products/html/ta26b2882.html>; > > 2 x Opteron 252 > > 4 x 1GB DDR400 ECC Registered Ram > > LSI 320-2x and LSI 320-1 > > Fujitsu U320 SCSI drives, both 10K and 15K rpm > > > Problem: > > Create an array, subject it to some moderate I/O and the logical drive > > becomes "degraded" w/a "failed" drive. The logical drive cannot be > > rebuilt. The physical drive is in fact fine, e.g. can format and > > consistency check. Same problem if swap in a different drive, etc., > > e.g.: > > Would this controller happen to be plugged into a riser card? Or is it > plugged directly into the motherboard? > The TA26 uses a riser card. > We just returned a whole mess of LSI MegaRAID boards with similar issues > (lose a drive on a regular basis, I/O drops down into the KB/s range, CPU > spends 75%+ time in iowait state, controller not properly identified > during install preventing any OS from being installed). On Tyan Thunder > K8SD-Pro (S2882) motherboards. > > The 2U rackmount systems that used an approved Tyan riser card for the > PCI-X slot had all the problems. The tower systerms that plugged the > RAID controller directly into the PCI-X slot onthe motherboard have been > working for months without issues. > I have long suspected the Tyan PCI riser! Tyan swears it's golden though. Thanks for the confirmation. > We tested FreeBSD 6.0, 6.1-beta1, and 6.1-beta2, Debian Linux stable > (2.6.8 and 2.6.15 kernels), testing (2.6.11, 2.6.12, 2.6.13, 2.6.14 > kernels), and unstable (2.6.14 and 2.6.15 kernels). With the included > megaraid drivers and the custom drivers direct from LSI. > > The official word from LSI Support is: they do not support any RAID > controllers connected to riser cards, no matter what the OS. Go that via > e-mail from one of their support techs and one of their RAID engineers. > I'm in contact w/the LSI support manager. Do you mind if I forward his this? > > Does anybody have ideas and/or receommend anything that actually > > works?!?! > > Switch to 3Ware and/or Areca cards. :) We replaced all the LSI MegaRAID > cards in the 2U rackmounts with 3Ware Escalade 9550SX cards and have been > chugging along nicely ever since (FreeBSD 6.1-beta2 i386 and amd64, and > Debian Linux stable custom install with 2.6.15 kernel 64-bit). Besides, > the management tools from LSI are pure crud compared to 3DM2. Thanks bunches. This has been a big help. -- 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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