High latency and disk utilization in GCP CVO due to disk limitations
- Views:
- 93
- Visibility:
- Public
- Votes:
- 0
- Category:
- cloud-volumes-ontap-cvo
- Specialty:
- perf
- Last Updated:
- 5/27/2025, 5:52:56 AM
Applies to
- ONTAP 9
- Cloud Volumes ONTAP (CVO) for Google Cloud Platform (GCP)
Issue
- ONTAP reports high latency from disk
- Example: Running
qos statistics volume latency show
has high latency in disk column
- Example: Running
Cluster::> qos statistics volume latency show Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 8.88ms 2.82ms 1.00us 1032.00us 5.02ms 0ms 2.00us 0ms citrix_home1-.. 6762 137.73ms 1.91ms 1.00us 22.93ms 112.89ms 0ms 0ms 0ms citrix_profi-.. 26764 133.29ms 1.82ms 0ms 2.84ms 128.62ms 0ms 0ms 0ms citrix_home2-.. 18527 78.48ms 1.96ms 0ms 7.69ms 68.83ms 0ms 0ms 0ms citrix_home3-.. 33649 50.51ms 239.00us 0ms 995.00us 49.28ms 0ms 0ms 0ms
- Monitoring software may show a high utilization spike, such as the Aggregate view of Active IQ Unified Manager or Harvest: