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JuhaH's avatar
JuhaH
Aspirant
Feb 25, 2019
Solved

Adding another pair of drives?

Hi all,

 

This has been propably asked thousands of times, but I could not answer and I'm asking again. I have ReadyNAS 526X with pair of 6 TB disks. I installed another pair hoping to get 12 TB storage with mirrored disks. After inserting the disks I see 18 TB, so obviously the new pair isn't mirrored. What did I do wrong and how can I fix this? I want to see both pairs mirrored.


  • JuhaH wrote:

    So I can leave the system as it is and if there will be singe disk failure, I should be safe. Of course I create backups into an external drive frequently.

    Yes.

     


    JuhaH wrote:

    I have one disk showing occasional error messages. I might consider replacing it.

     


    What errors are you seeing?  

     


    JuhaH wrote:

     

    I also wonder why I get "Unrecognized server error", when updating firmware manually. I'm currently running on 6.9.3. 


    I haven't seen that in quite a while.  What browser are you using?

     

10 Replies

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  • Marc_V's avatar
    Marc_V
    NETGEAR Employee Retired

    Hi JuhaH

     

    Welcome to the Community!

     

    Your RAID Configuration is in X-RAID that's why when it recognized the disks that has been added it joined it to the current RAID making it RAID-5 with single redundancy

     

    If you want two RAID 1 volume on your NAS, you should disable X-RAID first and create the RAID volume manually under Flex-RAID.

     

    If you want to get two RAID 1, you will need to destroy the volume now and recreate it, backing up your Data is a must. See Changing RAID

     

    Hope this helps!

     

     

    Regards

     

     

     

     

  • StephenB's avatar
    StephenB
    Guru - Experienced User

    JuhaH wrote:

    What did I do wrong and how can I fix this? I want to see both pairs mirrored.


    As Marc_V says, XRAID is designed to switch to RAID-5.  You still have single redundancy (protection against a single disk failure).

     

    Did you want two RAID-1 volumes?  Or RAID-10???  Maybe explain the rationale, as you might be better off with your current RAID configuration.

    • JuhaH's avatar
      JuhaH
      Aspirant

      Thanks for Your answers,

       

      So I can leave the system as it is and if there will be singe disk failure, I should be safe. Of course I create backups into an external drive frequently. I have on disk showing occasional error messages. I might consider replacing it.

       

      I also wonder why I get "Unrecognized server error", when updating firmware manually. I'm currently running on 6.9.3. 

      • StephenB's avatar
        StephenB
        Guru - Experienced User

        JuhaH wrote:

        So I can leave the system as it is and if there will be singe disk failure, I should be safe. Of course I create backups into an external drive frequently.

        Yes.

         


        JuhaH wrote:

        I have one disk showing occasional error messages. I might consider replacing it.

         


        What errors are you seeing?  

         


        JuhaH wrote:

         

        I also wonder why I get "Unrecognized server error", when updating firmware manually. I'm currently running on 6.9.3. 


        I haven't seen that in quite a while.  What browser are you using?

         

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