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Forum Discussion
ReadyNAS Pro Business Edition Drive Upgrading
I have a ReadyNAS Pro Business Edition running RAIDiator 4.2.24. It is loaded with 6 x 2TB drives running in X-RAID2 mode. I have been running this setup for a couple of years. Can I upgrade one ...
The Ultra supports 3 and 4 TB drives.
There are two expansion limits though. (a) you cannot expand over 16 TiB and (b) you cannot grow a volume more than 8 TiB over its lifetime.
mdgm's question relates to the second limit.
If you started with 6x2TB drives, then your starting volume was 10 TB. You should therefore be able to grow to 16 TB. In that case, you will hit the 16 TiB limit if you install 4 TB drives, but you won't hit it if you install 3 TB drives.
However you started with a single 2 TB drive on your initial install, and then added the rest, then you are already at/near your max volume size (since you've grown the volume by 8 TB). In that case you'd need to do a factory reset.
There are two expansion limits though. (a) you cannot expand over 16 TiB and (b) you cannot grow a volume more than 8 TiB over its lifetime.
mdgm's question relates to the second limit.
If you started with 6x2TB drives, then your starting volume was 10 TB. You should therefore be able to grow to 16 TB. In that case, you will hit the 16 TiB limit if you install 4 TB drives, but you won't hit it if you install 3 TB drives.
However you started with a single 2 TB drive on your initial install, and then added the rest, then you are already at/near your max volume size (since you've grown the volume by 8 TB). In that case you'd need to do a factory reset.
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