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SAP HANA 环境的 LUN 读取延迟较高

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适用场景

  • ONTAP
  • VMware
  • SAP HANA

问题描述

  • 主要是在备份计划期间，观察到极长的 IO 读取延迟数分钟。
  • 在 Active IQ PAS > 工作负载图形视图 > 工作负载延迟细分中查看性能归档，我们看到 CPU D-Blade 和磁盘 IO 的延迟高于正常延迟，类似于 LUN 延迟值。

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