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Tuning for SPARC SuperCluster and Solaris X86-64 Exadata (X2-2) RDS issues contributing to RDS Latency, RAC Node Evictions,Intermittent spikes in cluster waits and ORA-27300 MTU errors (Doc ID 1498896.1)

Last updated on MARCH 29, 2019

Applies to:

Oracle SuperCluster M6-32 Hardware - Version All Versions to All Versions [Release All Releases]
Solaris Operating System - Version 11 11/11 to 11.1 [Release 11.0]
Exadata Database Machine X2-2 Full Rack - Version All Versions to All Versions [Release All Releases]
Exadata Database Machine X2-2 Half Rack - Version All Versions to All Versions [Release All Releases]
SPARC SuperCluster T4-4 - Version All Versions to All Versions [Release All Releases]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)
This tuning is only appropriate for NUMA systems such as the T4-4 compute node in SPARC SuperCluster and Solaris x86-64 on X2-2. The tuning is not appropriate for general purpose LDoms within the SPARC SuperCluster. It is applicable only to the Exadata X2-2 running Solaris.

Symptoms

 

Cause

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In this Document
Symptoms
 Scope
  Problem
  Symptoms
  diskmon.log
  Panic string / System corefile
  rds-ping latencies && ib_tx_ring_full
  ORA-27300 errors
Changes
Cause
Solution
  
 Tuning
References

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