Active IQ Unified Manager 警报：已违反节点磁盘碎片化警告阈值

适用场景

• OnCommand统一管理器(OCUM)
• Active IQ Unified Manager (AIQUM)
• ONTAP 9
• SnapMirror

注：

• 从9.6RC1 (及更高版本)开始、OnCommand Unified Manager已更名为Active IQ Unified Manager
• 在本文档中、Unified Manager将称为ActiveIQ Unified Manager (AIQUM)

 问题描述

• Active IQ Unified Manager  在集群中的卷中报告node disk fragmentation 警告警报
• 但是、执行 重新分配度量 会显示极低的碎片(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.