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jtaustin's avatar
jtaustin
Initiate
Mar 05, 2020
Solved

Upgrading storage - ReadyNAS 314

I have 2x 3TB hdd configured as RAID 1.  I want to upgrade capacity and change to RAID 5.  What's the easiest way to do this?  I do not take backups currently, so backup/restore would have to be a one-off solution.  Thanks!

 

JT

  • jtaustin

     

    Welcome to the Community!

     

    Since you have 2 bays available, if your array is configured on X-RAID then easiest way would be to add a 3rd disk to your NAS, this will automatically expand your volume and change your RAID to RAID5 just like what you want to have and since you only have a single volume RAID1 If you are currently on Flex-RAID you can change it to XRAID then expand.

     

    Please see the following links below that might help and provide more information.

     

    What is XRAID

    What is Flex-RAID

    Changing to Flex-RAID to XRAID

     

    HTH

     

    Regards

5 Replies

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  • Marc_V's avatar
    Marc_V
    NETGEAR Employee Retired

    jtaustin

     

    Welcome to the Community!

     

    Since you have 2 bays available, if your array is configured on X-RAID then easiest way would be to add a 3rd disk to your NAS, this will automatically expand your volume and change your RAID to RAID5 just like what you want to have and since you only have a single volume RAID1 If you are currently on Flex-RAID you can change it to XRAID then expand.

     

    Please see the following links below that might help and provide more information.

     

    What is XRAID

    What is Flex-RAID

    Changing to Flex-RAID to XRAID

     

    HTH

     

    Regards

    • jtaustin's avatar
      jtaustin
      Initiate

      Marc_V That's awesome!  It is running X-RAID.  Are there any restrictions/guidelines as to the type/size of drive I add next (like mixing hdd/ssd)? I'm assuming it will choose the largest drive for parity?

       

      Unrelated, but I've had such a good experience with this device over the past 4 years, I'm really surprised that Netgear doesn't come up on more "best of" lists.

      • StephenB's avatar
        StephenB
        Guru - Experienced User

        jtaustin wrote:

        I'm assuming it will choose the largest drive for parity?

         


        No. Standard RAID-5 / XRAID doesn't have a dedicated parity disk.  Parity blocks are spread across all the disks.

         

        You need to add a drive that is at least 3 TB.  If it's bigger than that, the extra space will be wasted until you add another disk of the same size (or replace a 3 TB drive with the larger size).

         

        I suggest hot-inserting the drive.  We always recommend making a backup first.

         

        Netgear will give you a warning if you mix speeds (5400 or 5900 with 7200 rpm).  The array will still work.

         

        You can mix/match vendors (for instance, WD Red and Seagate Ironwolf).

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