Fail event on /dev/md0:lot2.int.autonlab.org

[mdadm monitoring]

This is an automatically generated mail message from mdadm
running on lot2.int.autonlab.org

A Fail event had been detected on md device /dev/md0.

It could be related to component device /dev/sdc1.

Faithfully yours, etc.

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

Personalities : [raid6] [raid5] [raid4] 
md0 : active raid6 sdf1[4](F) sde1[3] sdd1[2] sdc1[1](F) sdb1[0]
      2929887744 blocks super 1.2 level 6, 512k chunk, algorithm 2 [5/3] [U_UU_]
      [>....................]  check =  0.0% (1020/976629248) finish=21202799028.1min speed=0K/sec
      
unused devices: <none>