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Slow LUN read performance for ONTAP 9.3 to 9.9
https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Slow_LUN_read_performance_for_ONTAP_9.3_to_9.9
Cluster1::> qos statistics volume latency show -volume vol1lun1 -vserver svm1 Workload ID Latency Network Cluster Data Disk QoS NVRAM --------------- ------ ---------- ---------- ---------- ----------...Cluster1::> qos statistics volume latency show -volume vol1lun1 -vserver svm1 Workload ID Latency Network Cluster Data Disk QoS NVRAM --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 5.52ms 4.41ms 15.00us 981.00us 113.00us 0ms 0ms vol1lun1 10210 14.60ms 14.49ms 6.00us 91.00us 12.00us 0ms 0ms -total- - 4.08ms 3.68ms 13.00us 310.00us 71.00us 0ms 0ms vol1lun1 10210 15.56ms 15.47ms 39.00us 54.00us 1.00us 0ms 0ms -total- - 4.34ms 3.76ms 14…