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Mordkanin

Raid 5 Error

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I had to move a server to a new case, and it was running Windows Server 2012 software RAID5. When I booted up, all the disks are present, but the array is showing up in Disk Managment as Foreign, and I can't import it. It's 4 drives, and Windows seems to think that there are 3 foreign disk groups. Any idea on what to do, here?

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Just a guess, did you put them onto the same physical ports in the same order as before?

Maybe moving them around could upset things.

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I've been playing musical ports for a few minutes, now. No matter what I do, I get two drives in one foreign group, and two more foreign groups with a drive each.

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Recreate the raid and restore your files from your backup would be easy thing to do.

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Is it hardware or software RAID ? if hardware reboot and go into the controllers setup utility.

 

In future don't use RAID5 or software RAID. RAID 6 with battery backed cache is a better choice.

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Well, with no better suggestions, I tried activating the 2-disk group of the 4 disk RAID5. Lo and behold, it came online, and seemed to suck in a 3rd disk (Which should be enough for all the data to be present)

 

Couldn't get disk 4 to work, though, so I wiped it, brought it back in, and now it's resynching. After this is done, I'll run chkdsk, and see whether or not there was any data loss.

 

What a stupid UI....

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