<computeroutput># </computeroutput><userinput>mdadm /dev/md1 --add /dev/sdf</userinput>
<computeroutput>mdadm: added /dev/sdf
# </computeroutput><userinput>mdadm --detail /dev/md1
</userinput><computeroutput>/dev/md1:
           Version : 1.2
     Creation Time : Mon Feb 28 02:07:48 2022
        Raid Level : raid1
        Array Size : 4189184 (4.00 GiB 4.29 GB)
     Used Dev Size : 4189184 (4.00 GiB 4.29 GB)
      Raid Devices : 2
     Total Devices : 3
       Persistence : Superblock is persistent

       Update Time : Mon Feb 28 02:25:34 2022
             State : clean, degraded, recovering 
    Active Devices : 1
   Working Devices : 2
    Failed Devices : 1
     Spare Devices : 1

Consistency Policy : resync

    Rebuild Status : 47% complete

              Name : debian:1  (local to host debian)
              UUID : 2dfb7fd5:e09e0527:0b5a905a:8334adb8
            Events : 39

    Number   Major   Minor   RaidDevice State
       0       8       34        0      active sync   /dev/sdd2
       2       8       64        1      spare rebuilding   /dev/sdf

       1       8       48        -      faulty   /dev/sde
# </computeroutput><userinput>[...]</userinput>
<computeroutput>[...]
# </computeroutput><userinput>mdadm --detail /dev/md1</userinput>
<computeroutput>/dev/md1:
           Version : 1.2
     Creation Time : Mon Feb 28 02:07:48 2022
        Raid Level : raid1
        Array Size : 4189184 (4.00 GiB 4.29 GB)
     Used Dev Size : 4189184 (4.00 GiB 4.29 GB)
      Raid Devices : 2
     Total Devices : 3
       Persistence : Superblock is persistent

       Update Time : Mon Feb 28 02:25:34 2022
             State : clean
    Active Devices : 2
   Working Devices : 2
    Failed Devices : 1
     Spare Devices : 0

Consistency Policy : resync

              Name : debian:1  (local to host debian)
              UUID : 2dfb7fd5:e09e0527:0b5a905a:8334adb8
            Events : 41

    Number   Major   Minor   RaidDevice State
       0       8       34        0      active sync   /dev/sdd2
       2       8       64        1      active sync   /dev/sdf

       1       8       48        -      faulty   /dev/sde
</computeroutput>
<computeroutput># </computeroutput><userinput>mdadm /dev/md1 --add /dev/sdf</userinput>
<computeroutput>mdadm: added /dev/sdf
# </computeroutput><userinput>mdadm --detail /dev/md1</userinput>
<computeroutput>/dev/md1:
[...]
   Raid Devices : 2
  Total Devices : 3
    Persistence : Superblock is persistent

    Update Time : Wed May  6 09:48:49 2015
          State : clean, degraded, recovering 
 Active Devices : 1
Working Devices : 2
 Failed Devices : 1
  Spare Devices : 1

 Rebuild Status : 28% complete

           Name : mirwiz:1  (local to host mirwiz)
           UUID : 6ec558ca:0c2c04a0:19bca283:95f67464
         Events : 26

    Number   Major   Minor   RaidDevice State
       0       8       50        0      active sync   /dev/sdd2
       2       8       80        1      spare rebuilding   /dev/sdf

       1       8       64        -      faulty   /dev/sde
# </computeroutput><userinput>[...]</userinput>
<computeroutput>[...]
# </computeroutput><userinput>mdadm --detail /dev/md1</userinput>
<computeroutput>/dev/md1:
[...]
    Update Time : Wed May  6 09:49:08 2015
          State : clean 
 Active Devices : 2
Working Devices : 2
 Failed Devices : 1
  Spare Devices : 0

           Name : mirwiz:1  (local to host mirwiz)
           UUID : 6ec558ca:0c2c04a0:19bca283:95f67464
         Events : 41

    Number   Major   Minor   RaidDevice State
       0       8       50        0      active sync   /dev/sdd2
       2       8       80        1      active sync   /dev/sdf

       1       8       64        -      faulty   /dev/sde</computeroutput>