Mirroring 2 to 1

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JTD777

JTD777

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Apr 4, 2012
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Hello again my friends,
I am still endlessly tweaking my desktop, and have another question. I am running two 1 tb hard drives (WD Blue) spanned to form a single drive. Now I want to pick up a seagate Barracuda 2 TB drive to mirror these. My question to you all is will this work in relation to actual drive sizes, bran differences, etc.

Thanks again :D

--J.T.
 
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T


The problem is, if mirroring a 2-drive spanned disk is still not supported in windows, you'll have to use a RAID controller--most mid-range motherboards have on-board RAID controllers. But in setting up the array, you'll have to format the disks. So it's not a simple plug-and-play sort of thing.

Your best bet is, unless your spanned disks contain your OS, and all you want to do is back up data on the two disks comprising the spanned drive, is to use an auto-backup program like Cobian Backup (if you can't deal with formatting and going the RAID array route).
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teh_chem

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Jun 20, 2012
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Are your two 1TB drives simply spanned via disk management in Windows?

What will you be using for the mirroring to the new 2TB drive? I don't think disk management within windows will allow you to mirror a spanned dynamic drive. You'll have to rely on some disk controller and set up a proper RAID configuration (that is, unless microsoft re-did how dynamic volumes are handled in windows).
 
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JTD777

JTD777

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Apr 4, 2012
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They are simply spanned, but I am not opposed to doing fancy programming to get it to work. Toying with ideas at the moment is all.
 
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teh_chem

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Jun 20, 2012
902
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The problem is, if mirroring a 2-drive spanned disk is still not supported in windows, you'll have to use a RAID controller--most mid-range motherboards have on-board RAID controllers. But in setting up the array, you'll have to format the disks. So it's not a simple plug-and-play sort of thing.

Your best bet is, unless your spanned disks contain your OS, and all you want to do is back up data on the two disks comprising the spanned drive, is to use an auto-backup program like Cobian Backup (if you can't deal with formatting and going the RAID array route).
 
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JTD777

JTD777

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Apr 4, 2012
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I'm running my OS and MOST of my programs off of a separate solid state drive. I suppose my next question would be could I clone my spanned drive to an external (I am suing about 60 GB of the 2 TB, so it will more than fit on my 500 GB external) using parted magic, format and set up my RAID array, then clone my disk back (so I don't lose my programs that are installed into the spanned drive, like Steam, iTunes, Minecraft)? I guess this is more of a Linux question then. Will parted magic recognize my spanned and/or mirrored drives as a single location? I would think so.
 
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