Windows 10: Migrating from single disk to Raid 1

Discus and support Migrating from single disk to Raid 1 in Windows 10 Drivers and Hardware to solve the problem; Hi all! Setting up my first Raid 1 NAS because I want redundancy for my important files. So here is my proposed plan. 1. I have a 3 TB drive with... Discussion in 'Windows 10 Drivers and Hardware' started by NavyLCDR, Nov 8, 2016.

  1. NavyLCDR New Member

    Migrating from single disk to Raid 1


    Hi all! Setting up my first Raid 1 NAS because I want redundancy for my important files. So here is my proposed plan.

    1. I have a 3 TB drive with about 2 TB data on it - I'll call this the source disk. It has never been in an array, just a normal single disk. I purchase a D-Link DNS325 NAS which supports Raid 1 and has 2 drive bays. I also purchase a new 3 TB hard drive.

    2. Install the new single drive into the NAS and set it up in Raid 1 mode.

    3. Copy all files from source drive to the NAS which has 1 drive in it in Raid 1 mode.

    4. Wipe the source drive and add it to the NAS and the Raid 1 array.

    Does anyone know if that will work, and will the newest hard drive with all the data automatically mirror to the 2nd hard drive when it is added?

    If the answer is NO, then my next question is what happens when 1 hard drive fails in the Raid 1 array and I need to replace it?

    Thanks!

    :)
     
    NavyLCDR, Nov 8, 2016
    #1

  2. Raid 1 broken after Windows 10 install

    Hello - I don't believe the problem happens only to software RAID.

    I had on my HP Phoenix h9-1020fr with WIN7 a similar structure to the one described :

    • 1 SSD as a C:
    • 1 "RAID1" as B:.
    My RAID1 had been created directly from the Boot manager, not WIN7.

    After migrating to WIN10 the RAID structure was split and a copy before the migration left behind as a new D: disk.

    Now I do not know how to simply unite them without wasting a whole WE.

    This problem from WIN10 is totally appalling. What was MS thinking ? Do they think they can force people to use their solutions like 'Storage Spaces' ? I am so disappointed.
     
    FrancoisLIVE, Nov 8, 2016
    #2
  3. HairyFool Win User
    Upgrading Windows 7 PC with Raid Boot Drive

    As it is a hardware RAID the operating system has no visibility of the drive configuration, the RAID controller just presents a single large drive to the O/S.

    Even when a RAID controller software package is available that can see the RAID configuration this is done independently of the O/S.

    Check in Disk Manager, it should only see one disk as a storage device. However the same warnings about backup before carrying out the upgrade are even more important with a striped set as they are more unreliable than a single disk or a mirrored set.

    I would seriously consider a reload at the earliest opportunity after the upgrade as you can then do a clean load onto a different configuration disk setup.
     
    HairyFool, Nov 8, 2016
    #3
  4. Migrating from single disk to Raid 1

    The only part I am stuck on is if the source drive would be wiped if you tell it to create an array, and I'm thinking it will. Normally, you can't create an array with just one drive.

    I am not 100% sure, but I think your only option is to copy off the data to another drive(s), and then create your array...then copy it back to the array.

    If one drive fails, you replace it with a new drive...however, the array had already been created, so the NAS would expect a second drive and to rebuild.
     
    DeaconFrost, Nov 8, 2016
    #4
  5. waltercarroll, Nov 8, 2016
    #5
  6. NavyLCDR New Member
    Thanks all. I've got two new hard drives coming for the NAS and will play around with different things for a bit and report back my findings. What I am really trying to avoid is having to copy 2 TB of stuff twice and also trying to avoid having an extra 3 TB hard drive left over at the end.
     
    NavyLCDR, Apr 5, 2018
    #6
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Migrating from single disk to Raid 1

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