This is what i get
[root@altrogcoturret ~]# mdadm -E /dev/sda2
/dev/sda2:
Magic : a92b4efc
Version : 00.90.00
UUID : fdce4991:d0e39753:48947262:142ed7b7
Creation Time : Wed Sep 12 20:14:52 2007
Raid Level : raid1
Device Size : 78067776 (74.45 GiB 79.94 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 2
Update Time : Thu Nov 29 09:15:59 2007
State : dirty
Active Devices : 1
Working Devices : 1
Failed Devices : 1
Spare Devices : 0
Checksum : 67aa5e5d - correct
Events : 0.2814082
Number Major Minor RaidDevice State
this 0 3 2 0 active sync /dev/hda2
0 0 3 2 0 active sync /dev/hda2
1 1 0 0 1 faulty removed
[root@altrogcoturret ~]#
And it was SME 7.1 OS