Warning
Error Code:
ACFS-05807
Oracle Database Error ACFS-05807: Standby Sync Lag Detected
Description
This error indicates that an Oracle ACFS standby file system is not fully synchronized with its primary counterpart, specifically lagging by less than 15 minutes. It serves as a warning that the replication process might be experiencing minor delays or contention, potentially impacting recovery point objectives if the lag increases.
Error Message
The standby file system string is less than 15 minutes out of sync now.
Known Causes
4 known causesNetwork Delays
High network latency or congestion between the primary and standby sites can slow down data transfer, causing the standby to lag.
Standby Resource Bottleneck
The standby system might be struggling to apply changes due to insufficient CPU, I/O, or memory resources, leading to a build-up of pending updates.
Primary System Load
An exceptionally high workload on the primary database can generate a large volume of redo, overwhelming the standby's ability to keep pace.
Suboptimal Configuration
Incorrect or inefficient configuration parameters for ACFS, Data Guard, or network settings can hinder optimal synchronization performance.
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