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FlexArray 上的E系列性能下降驱动器检查条件

适用场景

  • E 系列 E5600
  • ONTAP 9.x
  • SANtricity OS 08.40.50
  • 磁盘类型HUS724040ALS640固件

问题描述

  • FlexArray 性能较差
  • 主要事件日志中出现许多设置目标端口组(STPG)错误

A Set Target Port Groups (STPG) command was received for this volume and caused the volume to be transferred - Volume xyz ----> hbaAlias: abc hbaWWN: lkj
 

ONTAP 主机上的错误示例:

ERROR         mlm.non.optimized.TPusage: Detected non-optimized usage of a array's target port. WWPN: 1234567890, average service time: x0000us, average latency: y00000us

 

 

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