单项选择题
Youcreatedasnapshotofthe/data2filesystemasfollows:fssnap-Fufs-obs=/data2/snap/data2But,thesystemrespondswiththefollowingerror:snapshoterror:InvalidbackingfilepathWhatistheproblem?()
A.The/datafilesystemdoesnotexist.
B.Thismessageindicatesthatthe/data2/snapdirectorydoesnotexist.
C.ThenameoftheBackingStoreisincorrect,itshouldbe/dev/fssnap/0
D.Thismessageindicatesthatyoucannothavethebackingstorefileonthesamefilesystemasthefilesystembeingsnapped.