メインコンテンツまでスキップ

QoS 制限は適用されません

Views:
20
Visibility:
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

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.