AIX VIO: Block Lost or IPC Send Timeout Possible Without Fix of APAR IZ97457 (Doc ID 1305174.1)

In this Document

Symptoms

Cause

Solution

References

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APPLIES TO:

Oracle Server - Enterprise Edition - Version 9.2.0.2 and later
IBM AIX on POWER Systems (64-bit)

SYMPTOMS

Environment with IBM AIX VIO experiences one or some or all of the following symptoms:

• Packet Loss

• Cache Fusion "block lost"

• IPC Send timeout

• Instance Eviction

• SKGXPSEGRCV: MESSAGE TRUNCATED user data nnnn bytes payload nnnn bytes

CAUSE

AIX issueAPAR IZ97457 - A VIOS Server will not forward traffic from its VIO Clients to the external network.

SOLUTION

Please engage your OS vendor for fix.

 

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REFERENCES

@  BUG:12599230  - AIX-11203-HA-CVU:CVU SHOULD CHECK IZ97457 FOR AIX6.1 CLUSTERS WITH VIO SERVER
NOTE:563566.1  - Troubleshooting gc block lost and Poor Network Performance in a RAC Environment