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ODA: ACFS Volumes Are Not Mounting After Node Reboot Due to ORA-15477: Cannot Communicate with the Volume Driver (Doc ID 2065338.1)

Last updated on MARCH 05, 2023

Applies to:

Oracle Database Appliance X5-2 - Version All Versions to All Versions [Release All Releases]
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.2 [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

 
1) After rebooting ODA nodes, the ADVM volumes became UNKNOWN status and the ACFS filesystem could not be mounted:

 

Cause

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