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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 JANUARY 28, 2020

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]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
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:

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
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