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Forum Discussion
RN2100 v2 (X-RAID2) hard disk compability
Hi,
thinking of upgrading our RN2100 to 4x4TB,
there are no 4TB disk that are "compatible" with the RN2100v2, therefore "NETGEAR Technical Support can and will deny support on devices using drives not found on the official compatibility list."
Is it possible to use a "WD RED WD40EFRX" instead of a "WD RED WD30EFRX" that's listed in the compability list?
3 Replies
JanniF wrote:
Hi,
Is it possible to use a "WD RED WD40EFRX" instead of a "WD RED WD30EFRX" that's listed in the compability list?
Possible? Yes.
There are some expansion limits with OS 4.2, and if your initial volume size was < 4 TB you might run into them. If you do, you'll need to do a factory reset and rebuild the NAS.
JanniF wrote:
"NETGEAR Technical Support can and will deny support on devices using drives not found on the official compatibility list."Also true. Unfortunately Netgear neglects the HCL on the legacy NAS models, which often creates a catch-22 for customers. If you need the space, I'd probably install the WD40EFRX and fight with support later if needed.
Thanks for the response.
So in our case we have a setup with 4x2TB and almost 95% is used.
I think I read that there are two limitations in os4.2 (correct me if im wrong)
"One is that a volume growth is limited to 8 TiB over its lifetime. The second is that a volume cannot grow over 16 TiB.
You can create a larger volume size than 16 TiB if you use disks of the same size, and do a factory reset with them all in place. That volume can't be expanded though."So this means that I can't expand our current setup with 4x4TB disks? And that I have to do a factory reset if I want to use 16TB?
If you started with 4x2TB then your volume size began at 6 TB. 4x4TB gives you a volume size of 12 TB. So you won't reach the 8 TiB growth limit (assuming that starting point is correct).
On the other hand, if you initially installed a single 2 TB drive, and then immediately added the others.... in that scenario you'd need to expand 10 TB, and that is over the limit.
Volume size is not the raw disk capacity, it is the size of the actual RAID volume.
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