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I/O Calibration [message #431317] Mon, 16 November 2009 14:21
Messages: 128
Registered: October 2005
Location: UK
Senior Member
Hi All,

Has any one else noticed that I/O Calibration button (performance -> I/O tab) and Optimizer Upgrade Simulation link (Advisor Central -> SQL Performance Analyzer) disappears from the EM when the database is upgraded from is to

I did several upgrades of to and they all resulted in the same as mentioned above. So I don't believe this is a one of thing.

Are they moved to some other tab ( I looked around but could not find them in the most obvious places) or permanently removed from the EM?

Still you can run the I/O Calibration using the PL/SQL (DBMS_RESOURCE_MANAGER.CALIBRATE_IO).

This was done a RHEL 5 (x86_64) system.

thank you.
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