High LUN read latencies for SAP HANA environment
Applies to
- ONTAP
- VMware
- SAP HANA
Issue
- Primarily during backup schedule extremely large IO read latency is observed for several minutes.
- Viewing performance archive in Active IQ PAS > Workload Graph View > Workload Latency Breakdown , we see CPU D-Blade and Disk IO with higher than normal latency similar to the LUN latency values.