You created a snapshot of the /data2 filesystem as follows： # fssnap -F ufs -o bs=/data2/snap /data2 But， the system responds with the following error： snapshot error： Invalid backing file path What is the problem？ （）
- A The /data filesystem does not exist.
- B This message indicates that the /data2/snap directory does not exist.
- C The name of the Backing Store is incorrect， it should be /dev/fssnap/0
- D This message indicates that you cannot have the backing store file on the same filesystem as the filesystem being snapped.