HP EVA6000 with Oracle Databases

Hi Everybody,
Does anybody work with HP EVA6000 and Oracle Databases on RHEL?
We have the following situation (everything is 64bits):
1) Oracle 9i Database 9.2.0.7 on RHEL4 U2 using 4 local disks RAID 0 (15000rpm each). With the following results:
- Acceptable database performance, it needs some sql tuning but performance is acceptable for users
- Normal user response time
- Normal active sessions for peak time.
2) Oracle 9i Database 9.2.0.7 on RHEL4 U2 using HP EVA6000 with 16 disks (10000rpm each). I am not an HP EVA expert but what i know is that is configured with 4 Disk Groups for Oracle Database (VRAID1). With the following results:
- We expected same or better performance, but it was not our case. We only migrated local storage to HP EVA storage.
- Performance starts degrading in 30 minutes when users begin doing their work, we start killing some users, we start getting more active sessions and they stay active for a long time, more "buffer gets"....in general not acceptable performance for users and business.
- We have exact # of CPU, exact RAM, exact OS configuration, exact SGA Oracle configuration...the only change is the new storage.
What we need is an advice of HP EVA6000 users working with Oracle Database (specially 9i on RHEL).
HP Support says it is a RHEL problem, Oracle Support says it could be an HP EVA configuration problem, nobody gives us a workaround or explanation just to confirm what it is happening.

Hello Miguel,
now we changed to a HP EVA6000. And we have the same problems like you described.
Oracle 9i Database 9.2.0.7 on SLES9 (both 64bit) using a HP EVA6000.
Now we have a lot of buffer gets and a bad overall performance.
Could you solve the problem?

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