One alternative explanation for Exadata Connect: ossnet: connection failed to server 192.168.10.xx, Result=5 (Login: sosstcpreadtry Failed)

(Doc ID 1353352.1)

Last updated on OCTOBER 11, 2011

Applies to:

Exadata Database Machine X2-8 - Version: Not Applicable and later   [Release: N/A and later ]
Information in this document applies to any platform.


OSSNET messages may occur across multiple databases in a Exadata machine
- This is associated with user reported problems includiung:
  • Poor performance - generic
  • Multiple Connect: ossnet: connection failed to server messages seen at the same time
  • Slow performance for logins
  • Slow performance for query execution


None: this Exadata Machine was a 1/4 rack with 10 plus databases and most RAC ( resulting in several more instances for the same box)

Another 1/4 rack for the same user which included several databases also exhibited similar problems


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