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如何在VMware ESXi的现有精简卷上启用UNMAP

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适用场景

  • E系列控制器固件8.xx
  • SANtricity

问题描述

从E系列控制器固件版本08.25 M1 (预计2016年5月)开始、 UNMAP 支持对精简卷使用SCSI命令(SCSI操作代码42h)。如果您要从先前的控制器固件版本(包括08.25.04.00 (第一个客户发货版本))进行 UNMAP 升级、则现有精简卷在升级后不会自动提供支持、除非手动更改精简卷。  

UNMAP 在精简卷上和选定操作系统中启用支持、需要执行一些额外步骤。本文档将详细介绍VMware ESXi操作系统的步骤。

注意: 对于VMware ESXi、只有包含VMFS-5或VMFS-3数据存储库的精简卷才支持 UNMAP 直接从VMware ESXi主机执行操作。如果使用精简卷将物理原始设备映射(PRDM)或虚拟原始设备映射(vRDM)直接映射到虚拟机、请按照该虚拟机上安装的操作系统对应的UNMAP知识库文章进行操作。

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