Error
Error Code:
ACFS-02131
Oracle Database Error ACFS-02131: Cluster Membership Not Established
Description
This error indicates that an Oracle ACFS volume cannot be mounted because the underlying Oracle Clusterware services are not fully operational or have lost quorum. It typically occurs when attempting to start an ACFS file system on a node that is not properly part of the cluster, or when cluster services are experiencing issues.
Error Message
Volume string cannot be mounted. Cluster membership is not established.
Known Causes
4 known causesOracle Clusterware Services Down
The essential Oracle Clusterware services (like CRS, CSS, EVM) required for cluster membership are not running or are in an unhealthy state on the node.
Node Not a Cluster Member
The specific server attempting to mount the ACFS volume is not recognized as an active or valid member of the Oracle Clusterware cluster.
Interconnect Network Problems
Issues with the private interconnect network prevent cluster nodes from communicating properly, leading to a loss of cluster membership or quorum.
Voting Disk/OCR Corruption
Corruption or inaccessibility of Oracle Cluster Registry (OCR) or Voting Disks can prevent Clusterware from establishing or maintaining cluster membership.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service