CVO throughput on AWS not meeting expectations due to disk latency
Applies to
- ST1 Throughput Optimized HDD Elastic Block Store (EBS) Volumes
- Cloud Volumes ONTAP (CVO) on AWS
Issue
- Certain workloads are not completing in a required time period:
- High latencies are observed across disk for AWS EBS ST1 volumes
- Connectivity to stores are verified as good by Amazon.
- The workloads can be:
- Bursty in nature
- High in I/O Operations Per Second (IOPS)
- Fabric Pool (Cloud Tiering)