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We had Raid 1 setup with two 1tb drives. I have swapped out the drives and now it was on two 2tb drives, however, the raid array is still only 1 tb in size. Is there a way to increase the size of the array without having to pull the data off and create a new array and put the data back on? Thanks in advance!

I ended up having to back up all the data with windows server backup. Then destroyed the raid...rebuild it and it restored the data. Everything worked fine. I tried using qparted and extended the partition of each drive but that failed.

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  • What operating system are you running?
    – Steven Monday
    Apr 11, 2011 at 15:58
  • Windows Server 2008
    – mahle
    Apr 11, 2011 at 18:00

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I'm pretty sure you're going to have to back up the data, destroy the RAID1, create a new RAID1, and restore the data.

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    The answer to this is highly dependent on the RAID controller you're using and the filesystem riding on top of the array, but the general/safe answer is "Back everything up, rebuild the array, lay down a new filesystem and restore". Even if you try to grow the array/filesystem "Back everything up" is still your first step.
    – voretaq7
    Apr 11, 2011 at 15:20
  • So would windows server backup be sufficient enough to back everything up and restore? Or is there a better way?
    – mahle
    Apr 11, 2011 at 15:36

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