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how to create a RAID 1 array with out losing data we bought two new hard drives that are the same size but one is saying it is

I want to know how to do this we have tried disk management but it wont work because one drive says it is 1 GB larger than the other.
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More about create raid array losing data bought hard drives size
  1. Did you check the label on the drives and make sure they both say they are the same size?

    If this isnt for the Boot drive then just use Windows 8/10 storage spaces.

    If this is the boot drive you will need a raid card or bios raid; and a backup drive as you will lose all the data on the main drives when you format the raid1 array. You'll also need backup software that can restore to dissimilar hardware if you don't plan on reinstalling the OS from scratch.
  2. Best answer
    gjoel8774 said:
    I want to know how to do this we have tried disk management but it wont work because one drive says it is 1 GB larger than the other.


    I do not know in the market there is a RAID controller that keeps data as this one.
    the controller you can create a RAID1 without losing your date.
    http://www.datoptic.com/ec/retain-data-raid-mirror-dual-sata-iii-6gb-s-raid-controller-direct-attached-driver-less-html.html

    Any one know, there is the another that can retain data? Love you hear

    I used this before, it works even with the BOOT drive
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