Linux RAID - MDADM - clean, resyncing (PENDING)

Ahoj,

po určitém čase jsem zjistil, že mně nedojel resync na RAID1 přes mdadm se stavem "clean, resyncing (PENDING)" a nikam se rebuild diskového pole neposouvá. Poradíte co s tím? Díky

user@server ~ $ sudo mdadm -D /dev/md0
/dev/md0:
        Version : 1.2
  Creation Time : Mon Oct 16 14:09:35 2017
     Raid Level : raid1
     Array Size : 1953382464 (1862.89 GiB 2000.26 GB)
  Used Dev Size : 1953382464 (1862.89 GiB 2000.26 GB)
   Raid Devices : 2
  Total Devices : 2
    Persistence : Superblock is persistent

  Intent Bitmap : Internal

    Update Time : Mon Oct 16 20:06:30 2017
          State : clean, resyncing (PENDING)
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           Name : server:0  (local to host server)
           UUID : e05778a4:a880b7bb:d25596aa:d6a9c4d3
         Events : 4238

    Number   Major   Minor   RaidDevice State
       0       8       33        0      active sync   /dev/sdc1
       1       8       17        1      active sync   /dev/sdb1
user@server ~ $ cat /proc/mdstat
Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10]
md0 : active (auto-read-only) raid1 sdc1[0] sdb1[1]
      1953382464 blocks super 1.2 [2/2] [UU]
          resync=PENDING
      bitmap: 3/15 pages [12KB], 65536KB chunk

unused devices: none