История изменений

# mdadm --version
mdadm - v4.1-rc2 - 2018-08-02
# mdadm --examine /dev/sda
/dev/sda:
          Magic : a92b4efc
        Version : 1.0
    Feature Map : 0x1
     Array UUID : 73f0a0ba:5beadbfd:17566aeb:aeddd4c1
           Name : localhost:raid1  (local to host localhost)
  Creation Time : Sat Aug 18 22:09:31 2018
     Raid Level : raid1
   Raid Devices : 2

 Avail Dev Size : 1953525136 (931.51 GiB 1000.20 GB)
     Array Size : 976761344 (931.51 GiB 1000.20 GB)
  Used Dev Size : 1953522688 (931.51 GiB 1000.20 GB)
   Super Offset : 1953525152 sectors
   Unused Space : before=0 sectors, after=2448 sectors
          State : clean
    Device UUID : 7bea160d:f44fd485:ba7aca4c:ff1c36f6

Internal Bitmap : -16 sectors from superblock
    Update Time : Sat Aug 18 22:09:31 2018
  Bad Block Log : 512 entries available at offset -8 sectors
       Checksum : 2f95184b - correct
         Events : 0


   Device Role : Active device 1
   Array State : AA ('A' == active, '.' == missing, 'R' == replacing)
# mdadm --detail /dev/md/raid1
/dev/md/raid1:
           Version : 1.0
     Creation Time : Sat Aug 18 22:09:31 2018
        Raid Level : raid1
        Array Size : 976761344 (931.51 GiB 1000.20 GB)
     Used Dev Size : 976761344 (931.51 GiB 1000.20 GB)
      Raid Devices : 2
     Total Devices : 2
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

       Update Time : Sat Aug 18 22:09:31 2018
             State : clean 
    Active Devices : 2
   Working Devices : 2
    Failed Devices : 0
     Spare Devices : 0

Consistency Policy : bitmap

              Name : localhost:raid1  (local to host localhost)
              UUID : 73f0a0ba:5beadbfd:17566aeb:aeddd4c1
            Events : 0

    Number   Major   Minor   RaidDevice State
       0       8       16        0      active sync   /dev/sdb
       1       8        0        1      active sync   /dev/sda

# mdadm --version
mdadm - v4.1-rc2 - 2018-08-02
# mdadm --detail /dev/md/raid1
/dev/md/raid1:
           Version : 1.0
     Creation Time : Sat Aug 18 22:09:31 2018
        Raid Level : raid1
        Array Size : 976761344 (931.51 GiB 1000.20 GB)
     Used Dev Size : 976761344 (931.51 GiB 1000.20 GB)
      Raid Devices : 2
     Total Devices : 2
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

       Update Time : Sat Aug 18 22:09:31 2018
             State : clean 
    Active Devices : 2
   Working Devices : 2
    Failed Devices : 0
     Spare Devices : 0

Consistency Policy : bitmap

              Name : localhost:raid1  (local to host localhost)
              UUID : 73f0a0ba:5beadbfd:17566aeb:aeddd4c1
            Events : 0

    Number   Major   Minor   RaidDevice State
       0       8       16        0      active sync   /dev/sdb
       1       8        0        1      active sync   /dev/sda