max@debian:~$ sudo mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Sat Dec  5 02:03:28 2015
Raid Level : raid5
Array Size : 17580773376 (16766.33 GiB 18002.71 GB)
Used Dev Size : 2930128896 (2794.39 GiB 3000.45 GB)
Raid Devices : 7
Total Devices : 7
Persistence : Superblock is persistent

Intent Bitmap : Internal

Update Time : Sun Aug  4 21:32:20 2024
      State : clean

Active Devices : 7
Working Devices : 7
Failed Devices : 0
Spare Devices : 0

     Layout : left-symmetric
 Chunk Size : 512K

       Name : debian:0  (local to host debian)
       UUID : 0f22581f:7e56ea7f:c1283bcc:2a17fcff
     Events : 336735

Number   Major   Minor   RaidDevice State
   4       8        1        0      active sync   /dev/sda1
   1       8       17        1      active sync   /dev/sdb1
   2       8      113        2      active sync   /dev/sdh1
   3       8       97        3      active sync   /dev/sdg1
   5       8       33        4      active sync   /dev/sdc1
   6       8       65        5      active sync   /dev/sde1
   7       8       49        6      active sync   /dev/sdd1


max@debian:~$ cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : active raid5 sdg1[3] sda1[4] sdd1[7] sde1[6] sdc1[5] sdh1[2] sdb1[1]
17580773376 blocks super 1.2 level 5, 512k chunk, algorithm 2 [7/7] [UUUUUUU]
bitmap: 0/22 pages [0KB], 65536KB chunk

unused devices: <none>