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EPJ's avatar
EPJ
Aspirant
Apr 14, 2016
Solved

'two raids' ??

Hi All,

Am new to this - have got my four bay Nas plus 4x 3Tb drives. But, have not yet had the bottle to set it up! I don't want to get it wrong & perhaps not be able to undo the bad! have gone through the manual, but can't see an answer to my question - which might be staring me in the face. So, I wish to have four drives, but two 'volumes' - ie, drive one (consisting of two drive) one backing up the other. I understand this will 'appear' as on 3Tb drive - if one fails the other is a mirror. AND, I want the other two drives the same: two seperate volumes, both mirrored.

I hope that makes sense & would be much obliged for....not too technical..... advise!

Very Many Thanks

Eddie

  • i believe u are thinking of 2 x raid 1 volumes

     

    when start up the nas u may disable x-raid then destroy the volume

     

    after that highlight first 2 drives and create a new volume called volume1 and select raid 1, then highlight drive 3 and 4 and create a new volume called volume 2 and select raid 1.

     

    done

     

5 Replies

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  • i believe u are thinking of 2 x raid 1 volumes

     

    when start up the nas u may disable x-raid then destroy the volume

     

    after that highlight first 2 drives and create a new volume called volume1 and select raid 1, then highlight drive 3 and 4 and create a new volume called volume 2 and select raid 1.

     

    done

     

    • mdgm-ntgr's avatar
      mdgm-ntgr
      NETGEAR Employee Retired

      Note RAID provides redundancy not backup. If the data is important then you should have copies of it on multiple devices not just on the NAS.

       

      RAID is great, but there are problems it won't protect against.

    • StephenB's avatar
      StephenB
      Guru - Experienced User

      cpu8088 wrote:

      after that highlight first 2 drives and create a new volume called volume1 and select raid 1, then highlight drive 3 and 4 and create a new volume called volume 2 and select raid 1.

       

       


      I prefer calling the first volume "data", since that is the xraid default.  It ensures that any apps that hard-code paths will work.  (Of course hard coding path names is a bad practice, but its easy to avoid any problems).

      EPJ wrote:

      So, I wish to have four drives, but two 'volumes'

       


      cpu8088 outlined the correct procedure, but perhaps we should take a step back.  Why do you want this particular configuration?

       

      It has some advantages, but also some drawbacks.  The normal XRAID would give you more capacity - 9 TB of space on a single volume.  Your configuration gives you two 3 TB volumes.

       

      • EPJ's avatar
        EPJ
        Aspirant

        Really helpful, and I will feel more confident when I start in on this!
        Many Thanks

    • EPJ's avatar
      EPJ
      Aspirant

      Really helpful, and I will feel more confident when I start in on this!

      Many Thanks