1.查看

    1. [root@localhost ~]# lsblk
    2. NAME            MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
    3. sda               8:0    0   200G  0 disk 
    4. ├─sda1            8:1    0     1G  0 part /boot
    5. └─sda2            8:2    0 153.9G  0 part 
    6.   ├─centos-root 253:0    0   150G  0 lvm  /
    7.   └─centos-swap 253:1    0   3.9G  0 lvm  [SWAP]
    8. sdb               8:16   0    40G  0 disk 
    9. sr0              11:0    1   4.5G  0 rom