A.Rundefragfs-r\/data1;defragfs\/data1
B.Rundefragfs-r\/dev\/lv01;defragfs\/dev\/lv01
C.Backupthefilesystembyname,unmountthefilesystem,recreatethefilesystembyrunningmkfs\/dev\/lv01,andrestoringthedatafromthebackup.
D.Backupthefilesystembyinode,unmountthefilesystem,recreatethefilesystembyrunningmkfs\/dev\/lv01,andrestoringthedatafromthebackup.
参考答案:D