高VM延迟或磁盘上的卷延迟由卷移动或vMotion修复

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Category:: ontap-9

Specialty:: perf<a>磁盘延迟</a><a>磁盘瓶颈</a><a>2008954055</a>

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适用场景

ONTAP 9
Data ONTAP 8.x

问题描述

卷的延迟极高，虚拟机显示延迟

cluster1::> qos statistics volume latency show -vserver svm1 -volume vol1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 4.71ms 185.00us 7.00us 468.00us 4.04ms 0ms 0ms 11.00us vol1 32140 122.22ms 86.00us 125.00us 904.00us 122.11ms 0ms 0ms 1.00us -total- - 4.58ms 253.00us 7.00us 991.00us 3.32ms 0ms 0ms 11.00us vol1 32140 29.69ms 90.00us 162.00us 2.61ms 26.82ms 0ms 0ms 1.00us -total- - 2.55ms 229.00us 8.00us 589.00us 1.71ms 0ms 0ms 13.00us vol1 32140 18.84ms 61.00us 314.00us 136.00us 18.32ms 0ms 0ms 1.00us -total- - 4.33ms 198.00us 9.00us 1221.00us 2.88ms 0ms 0ms 13.00us vol1 32140 177.16ms 113.00us 226.00us 108.03ms 68.79ms 0ms 0ms 2.00us