# lsblk
NAME              MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
loop0               7:0    0     1G  0 loop  
└─p_t             253:2    0  1008M  0 crypt 
loop1               7:1    0    64G  0 loop  
└─p_j             253:3    0    64G  0 crypt 
sda                 8:0    0   7,3T  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   7,2T  0 part  
  └─md2             9:2    0   7,2T  0 raid1 
    └─md2_crypt   253:0    0   7,2T  0 crypt /data
sdb                 8:16   0   9,1T  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  
│ └─md1             9:1    0  55,9G  0 raid1 /
└─sdb4              8:20   0   7,2T  0 part  
  └─md2             9:2    0   7,2T  0 raid1 
    └─md2_crypt   253:0    0   7,2T  0 crypt /data
sdc                 8:32   0   2,7T  0 disk  
└─sdc1              8:33   0   2,7T  0 part  
  └─data-nobackup 253:1    0   2,7T  0 crypt /nobackup
sdd                 8:48   0   3,7T  0 disk  
└─sdd1              8:49   0   3,7T  0 part  
sde                 8:64   0 238,5G  0 disk  
sr0                11:0    1   6,3G  0 rom   
# cat /sys/block/*/md/mismatch_cnt
0
1280
54272
#