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Oracle I/O on HP-UX.

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mpua
Frequent Advisor

Oracle I/O on HP-UX.

Hi!

We're receiving the following error on our ORACLE RAC installation over HP-UX:

Asynchronous I/O fails at times due to an insufficient number
of kernel resources leading to warnings of the form:

  WARNING:Oracle process running out of OS kernel I/O resources


The group dba has the the MLOCK privilege.
Whats happening?
3 REPLIES
Ravi Subramanian
Occasional Advisor
Solution

Re: Oracle I/O on HP-UX.

Hi ,

you need to check with ORACLE for the exact kernel parameters need to be tuned for your installation.

Thx,
Ravi S
Ganesh Balraman
Regular Advisor

Re: Oracle I/O on HP-UX.

Hi.

Can you paste the below output
ulimits -a
sar -v 5 5
kctune
mpua
Frequent Advisor

Re: Oracle I/O on HP-UX.

Thanks to everyone, the problem was solved.
It was due to a known bug in Oracle version, we installed a patch and everything is working fine now.