The fourth step does not need to care about is abnormal, environmental problems of my own. But i want to express is that even if migrate volume is abnormal, we should be able to roll back to normal, the maximum guarantee the normal use of the virtual machine storage. so, to solve this problem, we should capture the exception handling in disconnect_volume.
The fourth step does not need to care about is abnormal, environmental problems of my own. But i want to express is that even if migrate volume is abnormal, we should be able to roll back to normal, the maximum guarantee the normal use of the virtual machine storage. so, to solve this problem, we should capture the exception handling in disconnect_volume.