RE: T2000 architecture reset on moderate-to-intense disk IO?

Odds are, this isn't a CRS-specific problem, but rather a problem with the IO subsystem. Solaris nodes dropping to an ok prompt can be caused by an OS bug, but is more likely to be caused by some sort of odd hardware-level event. CRS, even on solaris, opts for rebooting a box when it believes it needs to be fenced or dropped out of a cluster. There's the Sun Verification and Testing Suite - VTS would be an interesting experience to run for a few days.  

Thanks,
Matt

From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Paul Vallee Sent: Friday, June 30, 2006 4:31 PM
To: oracle-l_at_freelists.org
Subject: T2000 architecture reset on moderate-to-intense disk IO?

Hello all,  

A new customer has an issue where their new T2000-based RAC cluster running Oracle clusterware (CRS) has a node go to reset under moderate to intense disk IO workload (10GR2, Solaris 10). The node that is being connected to drops to the OK prompt and that's it. There are no logs or messages in any logfile, CRS or otherwise.  

Does anyone have any similar experiences?  

Thanks,
Paul

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Paul Vallee
President, The Pythian Group, Inc.
http://www.pythian.com
I blog at http://www.pythian.com/blogs/ 

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