Detaching a datastore or storage device from multiple ESXi 5.0 hosts

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本文介绍如何使用PowerCLI从多个ESXi 5.0主机上分离数据存储或存储设备。首先确保已卸载目标数据存储，然后通过PowerCLI列出所有数据存储及其挂载的主机。选择合适的数据存储并记录其名称，确认该数据存储在所有主机上的状态为未挂载。最后运行PowerCLI命令完成分离操作。

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To detach a storage device using PowerCLI:

Review the VMware Contributed Sample Code disclaimer, and deploy the community-supported PowerCLI script available atAutomating Datastore/Storage Device Detachment in vSphere 5.
Ensure that you have already unmounted the desired datastore. For more information, see Unmount VMFS or NFS Datastoresin the vSphere 5 Documentation Center.
List all datastores and their attached hosts by running the command:

Get-Datastore | Get-DatastoreMountInfo | Sort Datastore, VMHost | FT –AutoSize

You see an output similar to:
Select the appropriate Datastore and record the name beneath the Datastore column, and confirm that the Mountedcolumn contains the value False for all hosts.
Detach the devices from all hosts using the command:

Get-Datastore datastore name| Detach-Datastore

Where datastore name is the name of the Datastore recorded in Step 3.

You see an output similar to:

Detaching LUN naa.5000144f52145699 from host esx01.vmw.local...
Detaching LUN naa.5000144f52145699 from host esx02.vmw.local...
Detaching LUN naa.5000144f52145699 from host esx03.vmw.local...