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ORA-27300: OS System Dependent Operation:fork Failed With Status: 11 (Doc ID 1546393.1)

Last updated on JANUARY 09, 2024

Applies to:

Oracle Database - Enterprise Edition - Version to 21.6 [Release 11.2 to 21.0]
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Linux x86-64


After a System restart getting errors in the Database alert logs:

ORA-27300: OS system dependent operation:fork failed with status: 11
ORA-27301: OS failure message: Resource temporarily unavailable
ORA-27302: failure occurred at: skgpspawn3
Process PZ98 died, see its trace file

- This is a 2 node RAC environment with 6 Databases, and only some are having these errors.
- Top shows no concerns with memory or CPU.
- You have restarted all components in the Cluster (Listeners, Database, etc.) and the problem continues.


Increase in user processes on the server.


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