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mikeons's avatar
mikeons
Aspirant
Nov 13, 2018
Solved

ReadyNAS 3100 Maximum HDD size?

Greetings,   I soon will be receiving a ReadyNAS 3100 for personal/home use. While I understand that, according to the compatibility chart, the maximum size of HDD supported is 3TB per drive, I a...
  • StephenB's avatar
    Nov 13, 2018

    You can use larger disks.  The hardware HCL hasn't been updated in some years (Netgear stopped qualifying disks for your system quite a while ago).  I do recommend either NAS-purposed disks (WDC Red or Seagate Ironwolf) or enterprise class drives for your NAS.

     

    There are two expansion limits that apply to OS 4.2 systems like the 3100

    • a volume cannot be expanded over a 16 TiB ceiling
    • a volume cannot be expanded more than 8 TiB from it's starting size

    Both of these limits do create practical limitations that you should take into account when selecting the disk sizes.  In particular, 4x6TB yields a volume size of 18 TB.  You can do a factory install with 4x6TB drives, but it would not be expandable.  

     

    One thing I suggest is converting your 3100 to run OS-6, which has no known expansion limits.  That isn't supported by Netgear, but since your 3100 is used, you can't get support from them anyway.

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