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为什么QoS统计信息卷延迟显示有磁盘而不是云延迟?

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适用场景

  • ONTAP 9.2 到 9.7
  • FabricPool

问题解答

  • 由于 错误1290868、QoS统计信息volume latency show中的延迟可能记录在错误的列中
  • 相反、它可能会在 Disk 列中报告为磁盘延迟
  • 使用statit确定 磁盘造成的延迟是多少以及云延迟造成的延迟是多少

示例:vol1 AF-A220上的延迟几乎为32毫秒、并且几乎有28个报告为磁盘、但这实际上是由于FabricPool 冷层或 Cloud 列造成的。

::> qos statistics volume latency show -volume vol1 -vserver svm1 Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud FlexCache SM Sync --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 370.00us 190.00us 0ms 120.00us 60.00us 0ms 0ms 0ms 0ms 0ms vol1 8036 32.21ms 797.00us 2.00us 3.38ms 27.98ms 0ms 0ms 52.00us 0ms 0ms -total- - 602.00us 191.00us 1.00us 177.00us 233.00us 0ms 0ms 0ms 0ms 0ms vol1 8036 31.06ms 711.00us 5.00us 2.70ms 27.63ms 0ms 0ms 15.00us 0ms 0ms

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