Date: Sat, 12 Aug 2000 13:11:39 -0700 From: Joe Modjeski <jmodjeski@ms1.northlink.com> To: "'Bernd Walter'" <ticso@mail.cicely.de> Cc: "'freebsd-scsi@freebsd.org'" <freebsd-scsi@freebsd.org> Subject: RE: to Vinum or not to Vinum Message-ID: <00101B7A7FDDD311A89500A0CC56C79048B9@MS1>
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> On Thu, Aug 10, 2000 at 12:09:47PM -0700, Joe Modjeski wrote: > > Currently we have 3 Compaq Proliant 1600R servers with 6 > 9.1 Ultra3 drives > > in each. We are attempting (very unsuccessfully) to do > Raid5 with vinum. > > We get fatal trap 12 errors very regularly and after a few > reboots the vinum > > volume is so chewed up that we end up having to rebuild the > system. I > > tracked down the majority of the problems to the > /etc/security script. I > > believe it is about the 6th or 7th line down where it > starts the find run. > > The box starts off fine but after about 1 minute it starts > to hit all the > > drives at once then BLAM!! It gives me the error. > > Are your fatal trap 12 errors kernel panics? > If yes do you see some SCSI error messages directly before > this happens? > > -- > B.Walter COSMO-Project > http://www.cosmo-project.de > ticso@cicely.de Usergroup info@cosmo-project.de > Yes they are kernel panics. And Yes there are always SCSI errors. BAD DSA ( SOME_HEX_NUMBER ) in queue SCSI BUS RESET DETECTED sym0:0:-1:-1 The above isn't exact. The message conveniently misses the logs. I can get the exact messages if you would like. I am trying to avoid crashing the box as much as possible. :) The drives are Hotswap and it does appear that they get "Disconnected" when the error happens. It is however no specific. In my original vinum setup I was spanning the raid across all 6 drives. Then it was consistant with drive 0. I though that was reason for the trouble so I changed the configuration to the one included in the previous message. I have compiled a debug kernel in an effort to get a dump and now the fatal trap 12 kernel panics are less the SCSI errors that go along with them are more consistant. Joe Modjeski Administrator jmodjeski@northlink.com Northlink LLC 450 W Goodwin Suite 107 Phone: (520) 445-0707 Fax: (520) 541-0096 http://www.northlink.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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