Now it's my turn for a late response.....
What kind of Fibrechannel HBA's are you using, and what driver version?
Are you using multipathing or card based failover mechanisms?
Thanks,
Tom Callahan
TESSCO Technologies
Desk: (410)-229-1361
Cell: (410)-588-7605
Email: callahant@xxxxxxxxxx
A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.
Mike Ault wrote:
Anything in the OS level logs?
Mike
-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx]
On Behalf Of Lunt, Nick
Sent: Wednesday, April 26, 2006 10:19 AM
To: General Red Hat Linux discussion list
Subject: RE: Oracle on RHEL4 with ASM problem
Hi Mike,
-----Original Message-----
From: Mike Ault [mailto:mike@xxxxxxx]
Sent: 26 April 2006 15:03
To: 'General Red Hat Linux discussion list'
Subject: RE: Oracle on RHEL4 with ASM problem
I haven't seen the rest of the problem....maybe I can help.
Mike Ault
Author: Oracle9i RAC, Oracle10g RAC and Grid from Rampant Press
any help greatly received ;)
Heres our setup -
Software -
RHEL4 Update 2
kernel 2.6.9-22
Oracle 10.1.0.4
Hardware -
HP Integrity RX4640 IA64 server
ASM using disks on an EVA6000
Problem -
ASM randomly loses access to it's disks. It knows the disks are there but
cannot write to them.
We discovered that by stopping and restarting the init.cssd service in
/etc/inittab ASM sorted itself out.
Here is the line from /etc/inittab -
h1:35:respawn:/etc/init.d/init.cssd run >/dev/null 2>&1 </dev/null
This is the only way (without a reboot) that we have found to get ASM
working again. The DBA's say there are no error messages from oracle and I
can't find any on the system.
When we get the problem cssd is still running (as it should respawn anyway)
but a clean stop/start of it with 'init q' fixes the ASM problem
(temporarily).
The DBA's have raised a tar but not received a response in over a week. If
we cant resolve the issue we will have to run oracle without ASM.
Any help you can offer would be appreciated.
Cheers,
Nick .
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