I run a server with Ubuntu Server 11.04 x64.
Ever since I set up that server from scratch configuring it with RAID 1 (software), I have been getting this error in email from the daily cronjobs.
A DegradedArray event had been detected on md device /dev/md/0. 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 sda1 248820 blocks super 1.2 [2/1] [U_] unused devices: <none>