NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda      8:0    0   5.5T  0 disk 
├─sda1   8:1    0     2G  0 part 
└─sda2   8:2    0   5.5T  0 part 
sdb      8:16   0 223.6G  0 disk 
├─sdb1   8:17   0   512K  0 part 
├─sdb2   8:18   0 207.6G  0 part 
└─sdb3   8:19   0    16G  0 part 
sdc      8:32   0   5.5T  0 disk 
├─sdc1   8:33   0     2G  0 part 
└─sdc2   8:34   0   5.5T  0 part 
sdd      8:48   1     2G  0 disk /mnt/usb