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Former Member
Jul 08, 2009 at 09:48 AM

CIO filesystem impact on Oracle SGA

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Hi all,

We have recently upgrade our database to Oracle 10G but we have not activated CIO filesystem option (AIX 5.3).

We have a project to reorganize our filesystem to be able to activate concurrent I/O, but I some question about the impact on the Oracle SGA:

- After CIO activation I should extend my Oracle SGA?

- If yes, how can I estimate the new SGA size?

other question is :

- Is there other AIX parameters that should be changed?

Thanks for your replies.

Sam