T
TheMadDBA
Guest
In the ancient days you could use -directio to overcome some UNIX filesystem issues with varying levels of success. These days it should just be removed whenever you see it assuming you are not running V8/V9 on ancient versions of UNIX/AIX. If they are having performance issues it isn't related to -directio. I would start with examining the hardware (CPUs and Memory) and then start looking into the DB (promon/protop) and network.
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