Configuring mdadm ├───────────────────────────┐
│ │
│ If the system's root file system is located on an MD array (RAID), it
│ needs to be started early during the boot sequence. If it is located on
│ a logical volume (LVM), which is on MD, all constituent arrays need to
│ be started.
到这个界面就不动了。。。不知道怎么回事