Intermittent CIFS connectivity issues with heavy write workload
Applies to
- CIFS
- Microsoft SQL Server
- ONTAP 9.3 and later
Issue
- Intermittent CIFS connection errors
- Connection issues are typically short lived.
- SQL server may report the following error, while backup is running: "There is not enough memory available"
- Related to systems with low memory and fast network infrastructure
- The following error may be seen in a packet trace:
1580332 51.352136 192.168.0.69 → 192.168.0.117 SMB2 Write Response, Error: STATUS_NO_MEMORY
- The following error may be seen in a packet trace:
- Heavy write workload, or bursts in write workload.