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04-13-2011 02:57 AM
04-13-2011 02:57 AM
There are 16 logical volumes on MSA & all volumes are appeared on both DL380 Servers.
When IO Stat is run on both servers at the same time then both servers shows output with different IO Stats figures means one server is generating too much IOs on same SAN Disks on which other server is not generating that much IOs.
Both servers are part of ORACLE RAC.
Can anybody help that is it a normal behavior OR not ?
Solved! Go to Solution.
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04-13-2011 11:28 AM
04-13-2011 11:28 AM
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04-13-2011 08:50 PM
04-13-2011 08:50 PM
Re: Different IO STAT Figures
Thanks for the reply.
Can you please help to clarify one point that if Node-1 is writing on same SAN Disk on which Node-2 is not writing then if IO STAT is run on both Nodes, why both nodes show different IO STAT figure.
What I mean to say is this that why Node-2 is showing less IO STAT figures when actually its not writing on that specific SAN Disk at all which is in use of Node-1 for data writing.
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04-15-2011 12:45 AM
04-15-2011 12:45 AM
Re: Different IO STAT Figures
I hope I am able to clarify the issue,
Either Node-2 should show zero IOs or should show the same number of IOs which are being generated by Node-1 during
Data Writing.
I am also working with Oracle Support Team for this behavior but they are still working on it need some more time to find the exact reason of this behavior of Node-2.
Thanks,
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