RE: CIO on AIX

Great follow up Brandon. I think IBM should have implemented CIO along with DIO. Once a program is doing DIO, it takes on all coherency responsibilities anyway. I can't see why someone would ever want direct I/O with writes serialized. That is, CIO and DIO are sort of no-brainers together. Hmmm...

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Allen, Brandon Sent: Tuesday, February 20, 2007 9:11 AM To: goryunov_at_gmail.com; oracle-l_at_freelists.org Subject: RE: CIO on AIX

I am running 10.2.0.2 on AIX 5.3 and we do not have the datafile filesystem mounted with the cio option since it is not required with 10g (I believe it *is* required for 9i), but we do have filesystemio_options=setall as you can see below:

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