Hi all!
I hope this is the correct place for this problem, it is rooted in the P55 chipset after all.
I have an ASUS P7P550-E LX motherboard wit the Intel P55 Express chipset. I have a RAID 5 array of four 1.5 TB disk that has been running for a few years. The system (Windows 7) is on a different disk, so booting is no problem.
One of the disks failed yesterday and another disk reports a problem (might fail soon) so I started looking into the problem.
At one point when I rebooted the computer, the BIOS spontaenously changed from RAID to IDE and after that (even though I changed back to RAID) the array is so longer a proper array. When I look at it during boot, it says "Not a member" on the healthy disks. When I look at it in Windows with RST Manager two disks are still inte the array and two are outside the array. See enclosed image. The disks are obviously there and alive, but has ended up "outside" the array. How could this happen?
The question now is: How do I get these disks back into the array? As long as I can do that, the data should be recoverable, since only one of the disks is faulty.
Very grateful for any help!
Andreas from Sweden