设备后备卷不支持取消映射

适用场景

• VMware ESXi 5.x 和更高版本
• ONTAP9
• ONTAP 8.1 及更高版本

问题描述

• 从ESX命令行界面执行ESXi UNMAP时发生错误：

[root@esxi:~] esxcli storage vmfs unmap -l Datastore_Name 
Devices backing volume <uuid> do not support UNMAP

• VAAI状态：

[root@esxi:~] esxcli storage core device vaai status get -d naa.6006016094602800e07xxxxxx
naa.6006016094602800e07xxxxxx
   VAAI Plugin Name: VMW_VAAIP_NETAPP
   ATS Status: supported
   Clone Status: supported
   Zero Status: supported
   Delete Status: unsupported

• 在ONTAP 中、已禁用LUN的空间分配：

::> lun show -vserver <vserver_name> -path <lun_path> -instance

          Vserver Name: vserver1
            LUN Path: /vol/somevol/thinlun
          Volume Name: somevol
           Qtree Name: ""
            LUN Name: thinlun
            LUN Size: 10GB
            OS Type: linux
       Space Reservation: disabled
                      [...]
       Space Allocation: disabled