NAME              MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda                 8:0    0   2,7T  0 disk  
├─sda1              8:1    0    10M  0 part  
├─sda2              8:2    0   477M  0 part  
│ └─md0             9:0    0 476,7M  0 raid1 /boot
├─sda3              8:3    0  55,9G  0 part  
│ └─md1             9:1    0  55,9G  0 raid1 /
└─sda4              8:4    0   2,7T  0 part  
  └─md2             9:2    0   2,7T  0 raid1 
    └─md2_crypt   253:0    0   2,7T  0 crypt /data
sdb                 8:16   0   2,7T  0 disk  
├─sdb1              8:17   0    10M  0 part  
├─sdb2              8:18   0   477M  0 part  
│ └─md0             9:0    0 476,7M  0 raid1 /boot
├─sdb3              8:19   0  55,9G  0 part  
└─sdb4              8:20   0   2,7T  0 part  
  └─md2             9:2    0   2,7T  0 raid1 
    └─md2_crypt   253:0    0   2,7T  0 crypt /data