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QoS 制限は適用されません

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16
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Public
Votes:
0
Category:
ontap-9
Specialty:
perf<a>Performance</a><a>QoS</a><a>Quality of Service</a><a>2009063085</a>
Last Updated:

環境

ONTAP 9

問題

  • 最小(下限)制限に加えて、IOPSとスループット(MBps)の上限(上限)制限を使用する場合は、サービス品質制限は適用されません
  • ポリシーで設定されている最大MB/秒よりも多くの制限を指定できます

例: 4000IOPS, 300 MB/s QoSポリシーは最大で200 IOPSの下限が設定されていますが、上限は4000 IOPSですが、300MB/秒には設定されていません

Cluster::> vol show -volume vol1 -fields qos-policy-group vserver volume qos-policy-group ------- ------ ---------------- svm1 vol1 qos-policy-1 Cluster::> qos policy-group show -policy-group qos-policy-1 Policy Group Name: qos-policy-1 Vserver: svm1 Uuid: 12345678-9012-3456-7890-123456789012 Policy Group Class: user-defined Policy Group ID: 11948 Maximum Throughput: 4000IOPS,300MB/s Minimum Throughput: 200IOPS Number of Workloads: 1 Throughput Policy: 200IOPS-4000IOPS,300MB/s Is Shared: true Is Policy Auto Generated: - cluster::> qos statistics volume performance show -volume vol1 -vserver svm1 Workload ID IOPS Throughput Latency --------------- ------ -------- ---------------- ---------- -total- - 4097 1111.90MB/s 216.87ms vol1-wid104 104 3995 1111.75MB/s 412.78ms cluster::> qos statistics workload latency show -volume vol1 -vserver svm1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM Cloud FlexCache SM Sync VA --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 48.38ms 3.04ms 48.00us 717.00us 125.00us 17.09ms 0ms 2.00us 0ms 0ms 0ms 0ms vol1 104 464.73ms 19.72ms 0ms 57.00us 14.00us 444.44ms 0ms 1.00us 0ms 0ms 0ms 0ms

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