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Oracle White Paper — Oracle Real Application Clusters on IBM AIX - Best practices for system stability
Executive Overview ........................................................................... 3
Introduction ....................................................................................... 3
Problem Validation ........................................................................ 4
Examining the AIX Error Logs........................................................ 4
For Oracle RAC 10g Release 2 and Oracle RAC 11g Release 1: ......... 4
For Oracle RAC 11g Release 2: ............................................................. 5
Oracle logs indicating a reboot initiated by Oracle ......................... 6
For Oracle RAC 10g Release 2 and Oracle RAC 11g Release 1: ......... 6
For Oracle RAC 11g Release 2: ............................................................. 6
Recommendations for System Stability ............................................. 8
1. Implement AIX tuning recommendations for Oracle ................... 8
2. Modify the Oracle ‘diagwait’ parameter .................................... 10
For Oracle RAC 10g Release 2 and Oracle RAC 11g Release 1: ....... 10
For Oracle RAC 11g Release 2: ........................................................... 11
3. Install the required updates and patches ................................. 12
Required patches and updates for Oracle RAC: .................................. 12
Required patch set and updates for AIX: ............................................. 13
4. Validating the Oracle process configuration ............................. 14
For Oracle RAC 10g Release 2 and Oracle RAC 11g Release 1: ....... 14
For Oracle RAC 11g Release 2: ........................................................... 17
5. Pin the AIX Kernel Memory...................................................... 22
For Oracle RAC 10g Release 2 to 11g Release 2: .............................. 22
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