Active IQ Unified Manager 警报：高节点利用率碎片

适用于

• OnCommand Unified Manager （ OCUM ）
• Active IQ Unified Manager （ AIQUM ）
• ONTAP 9
• 集群 ONTAP 8.3

注：从 9.6RC1 （及更高版本）发行版开始， OnCommand Unified Manager 已重新品牌化到 Active IQ Unified Manager 。在本文档中， Unified Manager 将称为 ActiveIQ Unified Manager （ AIQUM ）。

 问题

Active IQ Unified Manager 会报告node disk fragmentation集群中卷中的警告警报。但是，执行重新分配度量会显示碎片非常小（级别 1 或 2 ）。

示例：

From: "Active IQ Unified Manager"<aiqum@company.com>
Date: Jul 4, 2017 6:01 AM
Subject: Performance Alert - 1 new warning system-defined threshold(s) breached on Cluster cluster1
To: "Storage Admins"<storageadmins@company.com>

 Warning System-defined Threshold Event
________________________________________

Summary
Trigger Time:  5:39 am, 4 Jul EDT
Description:  1 new warning system-defined threshold(s) breached on Cluster cluster1
________________________________________

p-sdt-cluster1-nod-1212

Policy Name: Node disk fragmentation
       A WARNING event has been triggered on node1 based on the detection of high node utilization caused by high
       percentage of delayed disk write on node1_aggr_sas1.