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Can I replace my OS drive and keep the data on my D: RAID array?

Tags:
  • NAS / RAID
  • Windows
  • Storage
  • Hard Drives
  • Windows 7
Last response: in Storage
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October 12, 2013 5:57:00 PM

I have Windows installed on my C: drive (1x500GB), and a RAID setup (2x2TB) for my D: drive.

If I remove the C: (500GB) drive, put in a new bigger one, and reinstall windows on the new drive will I lose my data on my D: RAID array? Also, will it be recognized by the new install of Windows 7?

More about : replace drive data raid array

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a b G Storage
a b $ Windows 7
October 14, 2013 4:12:19 AM

You shouldn't have any issues with data loss if you're installing windows on a separate drive.
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October 14, 2013 6:05:25 AM

Hey thank you for the reply!

I'm incredibly impatient so I went ahead and tried it... I had to install my MB raid drivers seperately, but it eventually worked. No data loss.

Thanks again.
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November 19, 2013 3:29:42 PM

RaoulHooD said:
Hey thank you for the reply!

I'm incredibly impatient so I went ahead and tried it... I had to install my MB raid drivers seperately, but it eventually worked. No data loss.

Thanks again.


Hi, I need to do the same thing and would appreciate some advise/understanding of what you did. I have Windows Home Server 2011 on C: and a D: data drive made of hardware raid 5 2TB, 2TB and 1.5TB currently.

After I had expanded the raid from 1TB + 1TB +1.5 TB I found WHS2011 doesn't seem to support over 2040GB. I can swap in a new C: drive and upgrade the OS to Windows Server 2012 which supports the larger drives, but I'm concerned over how to upgrade without impacting the hardware raid 5 data drive. Data is backed up to a NAS, but I'd rather not have to rebuild the server. Should I disconnect the data raid drives through the upgrade, then re-connect, or leave them connected whilst I install the OS.

I would appreciate your advise or description of what you did.

Thanks
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a c 970 G Storage
a b $ Windows 7
November 19, 2013 6:32:33 PM

Whs11 certainly does support drives larger than 2tb, (your motherbd may not), but it cannot backup volumes larger than 2tb.
You will likely need to go into diskmanagement and delete the 2tb mbr volumes windows will create and then create a gpt volume using the full drive.
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