xe host-list
获取到host的uuid
然后列出现有的sr和pbd
xe pbd-list
xe sr-list
xe pbd-list
xe pbd-unplug uuid=ee19ba75-f56f-332b-3496-7b0c0d1e9a22
xe pbd-destroy uuid=ee19ba75-f56f-332b-3496-7b0c0d1e9a22
xe sr-destroy uuid=ee19ba75-f56f-332b-3496-7b0c0d1e9a22
xe sr-list
xe sr-forget uuid=5571501c-adf7-7bb7-0ac2-6ed35f97a103
xe sr-create host-uuid=2159b4ad-47cb-4b91-a879-3f2bbb2023b0 content-type=user type=lvm device-config:device=/dev/sda3 shared=false name-label=”Localstorage” sm-config:allocation=thin