Re: RAC in NAS

Mark Brinsmead wrote,on my timestamp of 28/07/2006 1:39 PM:

(Almost) just for chuckles, I opened an SR with Oracle support, asking questions like "how can
I test whether my DB is doing Asynch I/O on Linux?" and "knowing that Asynch I/O is unsupported,
what are the risks of doing so anyway?". After almost two weeks, the questions are unanswered,
even though I was able to answer them myself with less than an hour of surfing Metalink and Google. 

yes, there is a note in metaclick explaining how to check.
But it's not complete, neither is werner's site:
you check for those counters in /proc/slabinfo being
non-zero *AND* changing in value when you startup Oracle!
There might be *other* software around already using aio
and just having them as non-zero is not enough to say
Oracle is using it.

DAMHIKT...


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Cheers
Nuno Souto
in (finally) sunny Sydney, Australia
dbvision@xxxxxxxxxxxx
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http://www.freelists.org/webpage/oracle-l


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