These are multiprocessor machines? Have you tried running on only one
CPU? (vaguely recalling messages many months ago about multiprocessor
troubles)
On Tue, 18 Apr 2000, Mikael Eriksson wrote:
-On Tue, 18 Apr 2000, Chris Mauritz wrote:
-
-> Are you SURE it's not a cabling issue? I've had 2940U2w cards act strangely
-> both under Linux and NT when there were problems with cables or terminators.
-> I've gotten into the habit of using SCA drive cages and keeping the LVD
-> cable lengths to a minimum (just between the cage and the controller).
-> Also, make sure you have active (not passive) termination.
->
-> Cheers,
->
-> Chris
-
-Yes, I'm quite sure, since we've had this problem on at least 5 or 6 machines
-(all with identical hw-configs).
-
-What I've furthermore seen, is that those servers without striped disks never
-have frozen up.
-
-On the other hand, not all striped servers have crashed (yet).
-
-
-/m
-
-
->
-> ----- Original Message -----
-> From: <[EMAIL PROTECTED]>
-> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
-> Sent: Tuesday, April 18, 2000 12:31 PM
-> Subject: adaptec 2940u2w hangups
->
->
-> > Hi All!
-> >
-> > Lately, we have been experiencing some serious problems with our Linux
-> servers
-> > using RAID0 on Adaptec 2940U2W. The machines, which are under quite some
-> load,
-> > suddenly dies and must be cold-restarted. When they get back online again,
-> > there's is no sign of anything going awry in any logfile. The just plunge
-> into
-> > deep-freeze, zero-Kelvin mode. *argh*
-> >
-> > Currently, the machines are running Linux 2.2.14 with latest raid-patches
-> > (Mingo's raid-2.2.14-B1-patch), but we've seen the problem under 2.2.13 as
-> > well.
-> >
-> > As I said, there's nothing in the log files that would indicate what's
-> wrong.
-> > Installing the software watchdog kernel module/watchdogd didn't help
-> either.
-> >
-> > The situation is getting somewhat embarrassing, as we've been pushing
-> pretty
-> > hard towards Linux. We're considering moving all servers to non-RAID
-> > configurations, but we'd really prefer RAID0.
-> >
-> > I've also noticed a few other postings about problems/hangups with
-> 2940/AIC79xx
-> > on Linux RAID, so it seems we're not alone with this problem.
-> >
-> > Does anyone have any kind of information as to the status of this. Is the
-> > bug(s) identified? Is there a solution (other than stop using RAID)?
-> >
-> >
-> > Hardware setup: RH Linux 6.1/2.2.14/raid-2.2.14-B1 on dual PIII
-> motherboards
-> > (ASUS P2B-DS) and U2W SCSI IBM disks, 512+ MB RAM.
-> >
-> >
-> > /m
-> >
-> >
-> >
-> >
-> >
->
->
-
-
-/m
-
-
-
