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出现高延迟,但在 QoS 统计信息卷延迟显示中未显示

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适用场景

  • 集群模式 Data ONTAP 8.3
  • ONTAP 9
  • CIFS 或 NFS 连接

问题描述

Unified Manager 中出现高延迟,但运行 "qos statistics volume latency show" 并不表示延迟。

data1 卷示例:

 nas-cm95::> qos statistics volume performance show Workload ID IOPS Throughput Latency --------------- ------ -------- ---------------- ---------- -total- - 78 0.07KB/s 111.01ms data1-wid30897 30897 78 0.07KB/s 521.01ms -total- - 84 0.07KB/s 111.01ms data1-wid30897 30897 84 0.07KB/s 521.01ms -total- - 158 0.08KB/s 111.01ms data1-wid30897 30897 158 0.08KB/s 521.01ms -total- - 158 0.08KB/s 111.01ms data1-wid30897 30897 158 0.08KB/s 521.01ms 
 nas-cm95::> qos statistics volume latency show Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud FlexCache SM Sync --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 367.00us 155.00us 3.00us 161.00us 0ms 0ms 0.00us 0ms 0ms 0ms data1-wid30897 30897 312.00us 160.00us 0ms 152.00us 0ms 0ms 0.00us 0ms 0ms 0ms -total- - 902.00us 153.00us 5.00us 151.00us 8.00us 0ms 0.00us 0ms 0ms 0ms data1-wid30897 30897 307.00us 150.00us 0ms 149.00us 8.00us 0ms 0.00us 0ms 0ms 0ms -total- - 1139.00us 149.00us 7.00us 141.00us 9.00us 0ms 0.00us 0ms 0ms 0ms data1-wid30897 30897 284.00us 145.00us 0ms 138.00us 1.00us 0ms 0.00us 0ms 0ms 0ms -total- - 343.00us 147.00us 5.00us 145.00us 0ms 0ms 0.00us 0ms 0ms 0ms data1-wid30897 30897 286.00us 146.00us 0ms 140.00us 0ms 0ms 0.00us 0ms 0ms 0ms 

下面显示了 Unified Manager 警报,其中可以显示网络处理中心的延迟:

GUID-D1E0E5FC-ED2D-4447-B348-AD52F5CB3307-low.gif

 

 

 

 

 

 

 

 

 

 

可能没有任何延迟中心显示任何明显的延迟,但客户端报告延迟较高。

 

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