Exadata: ASM Diskgroups Cannot Be Mounted Due to ORA-56864 (LIBCELL network error) and ORA-56841 (Master Diskmon cannot connect to a CELL) After Adding New Cell Servers in the Exadata Cluster Configuration (Doc ID 2205555.1)

Last updated on NOVEMBER 18, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 to 12.1.0.2 [Release 12.1]
Oracle Exadata Storage Server Software - Version 12.1.1.1.0 to 12.1.2.2.3 [Release 12.1]
Information in this document applies to any platform.

Symptoms

1) ASM diskgroups cannot be mounted after adding new cell servers in the Exadata cluster configuration due to the ORA-56864 and ORA-56841 errors:

 

Cause

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