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Can I move a RAID 1 drive to a non-RAID system?


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#1 Cyjon

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Posted 07 November 2012 - 02:05 PM

I have a computer running a RAID 1 array of two SATA drives that is my central file server for my home network. The RAID controller is on the motherboard, which is an Asus P4V8X-X (Yes, this is an ANCIENT machine). This computer finally died and will require a total rebuild but it's going to be a few weeks before I can afford that. I want to get at the data sooner than that if possible.

Since this is a mirror and not a stripe, and since the RAID is handled by the motherboard, I assumed I could hook up one of the drives to one of my other computers and access it. I tried that and nothing. The BIOS doesn't see it at all. I've verified the data cable and power cable are both connected and seated.

Before spending a lot of time troubleshooting hardware problems (switching cables, etc.) I wanted to ask--am I kidding myself? Is it possible to just slap a RAID 1 drive into a non-RAID system and see the data? If not then when I rebuild the system with a new motherboard that has RAID, can I put the RAID array in there or is it somehow coded by that particular motherboard and I'm going to have to reformat and rebuild the mirror from scratch? I have the data (most of it anyhow) backed up through Mozy so I can restore, though it will take days to transfer that much data over my connection. I'd rather not if I don't have to.

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#2 coxchris

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Posted 07 November 2012 - 03:54 PM

you could but you would have to boot up into windows with an active/boot partition and access the disk management and import the disk. Disks that are in a raid are assign of Foreign disk when moving from a raid to a non raid system

Edited by coxchris, 07 November 2012 - 03:56 PM.

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#3 Cyjon

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Posted 07 November 2012 - 04:10 PM

I can't import the foreign disk because neither Windows nor the BIOS can see it. It's like no disk is attached. If they *should* see it, then that tells me it's a hardware problem and I'll start playing with cables and such. I'm just curious if the invisible disk is a result of some kind of coding the old RAID controller put on the disk so it can't be seen except by another RAID controller. If that's the case then I'm out of luck until I rebuild the system.

ETA: Adding "foreign disk" to my searches leads me to believe you are right, so it looks like this is something like a cabling issue. I'll see what I can figure out.

ETA2: *hands head in shame* It turns out when you connect a power cable to a drive, you should be sure it is actually connected to, you know, power. And you shouldn't have random cables not connected to anything cluttering up your case.

Thanks for the import tip though. I would have remembered that eventually but you saved me some frustration. Working fine now.

Edited by Cyjon, 07 November 2012 - 04:24 PM.


#4 coxchris

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Posted 07 November 2012 - 04:31 PM

I don't believe Raids do that.

Heres a Idea long shot. Have you set the BIOS to SATA or IDE instead of RAID

Edit: No problem; Happy to help. Happy computing

Edited by coxchris, 07 November 2012 - 04:47 PM.

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#5 Cyjon

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Posted 07 November 2012 - 04:45 PM

Thanks but see my second edit. Problem solved. Classic PICNIC issue so often seen by support techs (Problem In Chair Not In Computer).

#6 coxchris

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Posted 07 November 2012 - 04:50 PM

I do that as well Happy Computing:)

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