Thanks for the response, but on further investigation I believe our problem may lye with the System paging space and the mirroring performance problems are a result of the increased I/O.
One of the changes in AiX 4.3.3, was now the system deals with paging space setting a parameter...
We have recently implemented AIX 4.3.3 Mirroring/Striping.
Our applications(Oracle 8i) are write intensive in Overnight batch mode, since implementing mirroring we have seen a 20/30% decrease in system write speed.
When mirroring is removed performance returns to normal.
Are there any AIX...
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