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具有主动/被动配置的 CVO NVRAM 高延迟

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适用场景

  • ONTAP 9
  • Cloud Volumes ONTAP (CVO)
  • NVRAM

问题描述

  • NVRAM 持久磁盘的高延迟

cluster01::> qos statistics volume latency show -vserver vserver_01 -volume fg_volume_vol1
Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM Cloud FlexCache SM Sync VA AVSCAN
-------------- ------ ---------- ---------- ---------- ---------------------------------
-total-  -  431.34ms 103.00us 169.00us 64.42ms 1.94ms 0ms 0ms 364.71ms 0ms 0ms 0ms 0ms 0ms
fg_volume_vo.. 16849  431.34ms 103.00us 169.00us 64.42ms 1.94ms 0ms 0ms 364.71ms 0ms 0ms 0ms 0ms 0ms
-total-  -  452.76ms 197.00us 197.00us 166.70ms 2.68ms 0ms 0ms 282.99ms 0ms 0ms 0ms 0ms 0ms
fg_volume_vo.. 16849  452.76ms 197.00us 197.00us 166.70ms 2.68ms 0ms 0ms 282.99ms 0ms 0ms 0ms 0ms 0ms
-total-  -  420.38ms 96.00us 125.00us 71.50ms 2.37ms 0ms 0ms 346.30ms 0ms 0ms 0ms 0ms 0ms
fg_volume_vo.. 16849  420.38ms 96.00us 125.00us 71.50ms 2.37ms 0ms 0ms 346.30ms 0ms 0ms 0ms 0ms 0ms
-total-  -  571.74ms 83.00us 114.00us 77.36ms 2.81ms 0ms 0ms 491.37ms 0ms 0ms 0ms 0ms 0ms
fg_volume_vo.. 16849  571.74ms 83.00us 114.00us 77.36ms 2.81ms 0ms 0ms 491.37ms 0ms 0ms 0ms 0ms 0ms
-total-  -  657.24ms 80.00us 113.00us 117.56ms 1.89ms 0ms 0ms 537.60ms 0ms 0ms 0ms 0ms 0ms
fg_volume_vo.. 16849  657.24ms 80.00us 113.00us 117.56ms 1.89ms 0ms 0ms 537.60ms 0ms 0ms 0ms 0ms 0ms
-total-  -  299.59ms 119.00us 136.00us 58.59ms 1477.00us 0ms 0ms 239.28ms 0ms 0ms 0ms 0ms 0ms

  • 所有卷和聚合最初仅在一个节点上创建。

 

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