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RAC: ORA-12801 and ORA-12850: Could Not Allocate Slaves On All Specified Instances: 2 Needed, 1 (Doc ID 1503358.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

Selecting from gv$session or running anything multiple-node fails with ORA-12850 and ORA-12801.

SQL> select * from gv$session;
select * from gv$session
  *
ERROR at line 1:
ORA-12850: Could not allocate slaves on all specified instances: 2 needed, 1
allocated
ORA-12801: error signaled in parallel query server P002, instance 3599

 

Cause

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In this Document
Symptoms
Cause
Solution


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