Info
Error Code: ORA-29746

Oracle Error ORA-29746: CSS Shutdown

📦 Oracle Database
📋

Description

The ORA-29746 error indicates that the Cluster Synchronization Service (CSS) daemon within your Oracle Database cluster is being shut down. This is usually triggered by an administrator action and impacts cluster operations.
💬

Error Message

ORA-29746: Cluster Synchronization Service is being shut down.
🔍

Known Causes

3 known causes
⚠️
Admin Shutdown
The Cluster Synchronization Service was deliberately stopped by a database administrator.
⚠️
System Maintenance
The CSS daemon may be shut down as part of planned system maintenance or upgrades.
⚠️
Resource Constraints
In rare cases, the CSS might be shut down due to insufficient system resources (memory, CPU) impacting its stability.
🛠️

Solutions

Coming Soon

Detailed 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