A DegradedArray event had been detected on md device /dev/md/1.

Faithfully yours, etc.

P.S. The /proc/mdstat file currently contains the following:

Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid1 sda2[0] sdb2[1]
      488128 blocks super 1.2 [2/2] [UU]

md1 : active raid1 sda3[0] sdb3[1](F)
      58560512 blocks super 1.2 [2/1] [U_]

md2 : active raid1 sda4[0] sdb4[1]
      2871042048 blocks super 1.2 [2/2] [UU]
      bitmap: 0/22 pages [0KB], 65536KB chunk

unused devices: <none>