Error
Error Code:
ORA-28059
Oracle RAC Call Failure
Description
The ORA-28059 error indicates a failure in cross-instance communication within an Oracle Real Application Clusters (RAC) environment. This typically occurs when a security-related event needs to be propagated across all instances, and the attempt to inform other instances fails.
Error Message
ORA-28059: Cross-instance call failed
Known Causes
4 known causesNetwork Connectivity Issue
Inter-instance communication relies on network connectivity. Firewalls, network outages, or misconfigured network settings can prevent instances from reaching each other. 🌐
Incorrect Cluster Configuration
Misconfigured cluster settings can disrupt communication between instances. This includes incorrect VIP (Virtual IP) or SCAN (Single Client Access Name) configurations. ⚙
Security Policy Conflict
Conflicting security policies or access control lists (ACLs) may block inter-instance communication. This can prevent the necessary propagation of security events. 🔒
Resource Exhaustion
Excessive load or resource exhaustion on one or more instances can prevent successful cross-instance calls. Check CPU, memory, and network utilization on each instance. 💻
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