Interrupt fencing on Sun
- From: fairlie rego <fairlie_r@xxxxxxxxx>
- To: Oracle-L <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 21 Jan 2008 21:34:04 +1100 (EST)
All,
On a 8 node 10.2.0.3 RAC with 128 cpus Sun and Veritas have recommended that
the customer set aside 2 cpus on each node for processing network interrupts
exclusively.
This was suggested after a situation where VCS was unable to process cluster
heartbeat messages in a timely manner due to Sun attempting to process the
network interrupt thread on the same CPU which was running the cluster
communication thread.
I would like to know if any other large customers have set aside cpus
exclusively to handle network interrupts and if so what percentage of total CPUs
Thanks much
Fairlie
Fairlie Rego
Senior Oracle Consultant
http://el-caro.blogspot.com/
M: +61 402 792 405
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