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Tauro's avatar
Tauro
Aspirant
Feb 22, 2021
Solved

RAID sync finished on volume C. The array is still in degraded mode, however. This can be caused b

ReadyNAS Duo V2 RND20000-200AJS Model RND-2B SN 2UM325EV000F9 Previously I had 2 x 2TB drives installed. All working fine RAID leverl XRAID2.  Seagate NAS HDD ST2000VN000 2TB WD Black 2003FZEX  2T...
  • StephenB's avatar
    StephenB
    Feb 24, 2021

    Tauro wrote:

    This has gone from bad to worse. Tried factory reset with new disks installed. 

    1. Used paperclip method described here RND2000NAS Duo Factory reset 

     


    First of all, if the disks were blank there is no need for a paperclip.  It will detect that, and do a fresh factory install.

     

    Second, you used a guide for the Duo v1, not the v2.  The correct instructions are on pages 16-17 here: https://www.downloads.netgear.com/files/GDC/RND2110/ReadyNAS_Duov2_NV+v2_HW_en_23-Mar-12.pdf

     


    Tauro wrote:

    Surely someone has a suggestion I have not tried?

     

     


    Try removing the disks and power up again.  Then see what status RAIDar gives you. https://kb.netgear.com/20684/ReadyNAS-Downloads

     

    I also suggest testing the new disks with vendor tools in a Windows PC - lifeguard for Western Digital; seatools for Seagate.  Run the full long generic test.  Unformat them while you are at it (either with the Windows disk manager, or by doing the erase test in the vendor tools).  After that, try inserting only one of the disks in to the Duo, and power it up.  It should do a factory install (again no paper clip needed).  Using only one disk will be quicker, because no RAID sync is involved.  Once you get access again, you can hot-insert the second disk.