Holger,
we ran into that problem and went back and forth with dell for literally
months as they replaces every component in the 220, our Perc cards, cables,
etc. we were never able to solve the problem and I ended up buying a
couple of iSCSI enclosures instead, which I've been very happy with. Much
of the consensus from experts I've talked to is to avoid using shared SCSI
buses for concurrent access, at least with the megaraid driver. I have not
had any problems with the PV enclosure since shifting it to a single-system
connection.
wish I could tell you something more positive. In the end I was not able
to correlate the crashses with anything (load, calendar, processes, users,
or settings). Sometimes it would go a month without crashing sometimes it
would crash many times in a week.
-alan
------------------------------
Date: Wed, 14 Mar 2007 15:55:32 +0100
From: "Holger L. Ratzel" <holger.ratzel@xxxxxxx>
Subject: Problem with shared SCSI-Storage
To: linux-cluster@xxxxxxxxxx
Cc: "Stempel, Steffen" <Steffen.Stempel@xxxxxxx>
Message-ID: <200703141555.32868.holger.ratzel@xxxxxxx>
Content-Type: text/plain; charset="us-ascii"
Hi All,
I've a problem with a RHEL4 cluster running on two Dell PowerEdge 1850 and an
Dell PowerVault PV220S. After running for a while I get errors from the
megaraid driver in /var/log/messages saying that the device was "offlined"
and the service gets relocated to the other node while the original node
reboots. The relevant parts from /var/log/messages can be downloaded from
http://www.she.net/hra/web01-messages.txt
Dell has checked the system and all firmwares have been updated, so it seems
not to be a hardware problem.
Please mail me if you have any questions or need further information.
I would appreciate any suggestions.
Many thanks an best regards,
Holger Ratzel
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