Re: Physical Disk goes offline when cluster node reboots

Dear Darrek,

Ensuring that you are running the lastest drivers is a good start.

However, as you report that your problem occurs during POST, which is the
stage where the OS is not even loading, therefore I would be surprised if
updating your drivers would improve your situation.

I would think that you also need to check the firmware/bios which is running
on your Emulex cards, ensure you run the latest firmware, as firmware is
running (or starting to run) during (or just after) POST.

(and if you update drivers, you should update firmware anyway, as the two go
hand in hand)

Quick question: as this is a SAN envioronment: Are you booting from your SAN
?

rgds,
Edwin.


"Darrek" <Darrek.Kay1@xxxxxxxx> wrote in message
news:1166207126.999846.241010@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Chuck Timon [Microsoft] wrote:
Yep, these are all errors that indicate hardware problems...probably, in
your case, with configuration of the hardware. One of the classic
examples
of this is Dell Perc RAID controllers. If the 'cluster mode' is not set
on
the controllers, then errors like what you are seeing will manifest
themselves. Probably need to speak with your hardware vendor to ensure
they
know you are using their hardware on a cluster and have them reviewe the
configuration.

--
Chuck Timon, Jr.
Microsoft Corporation
Longhorn Readiness Team
This posting is provided "AS IS" with no
warranties, and confers no rights.


I've since found the MS hotfix and updated Emulex drivers. I will be
installing them later today. I've gone through the Emulex
configuration that is available during the POST sequence and have not
found anything that looks like it needs to be configured differently.
The HP website also has nothing clearly called out.

I'll follow up here if the updates help.

-DK



.

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