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Active IQ Unified Manager アラート:ノードディスク断片化の警告しきい値を超過

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環境

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

注:

  • OnCommand Unified Manager のブランドが 9.6RC1 以降のリリースで Active IQ Unified Manager に変更されました
  • 本ドキュメントでは、 Unified Manager を ActiveIQ Unified Manager ( AIQUM )と表記します。

 問題

  • Active IQ Unified Manager ではnode disk fragmentation、クラスタ内のボリュームについて警告アラートが報告されます
  • ただし 、再割り当て測定を実行 すると、フラグメント化レベルが非常に低くなります(レベル 1 または 2 )。

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.

 

 

 

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