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Forum Discussion
ReadyNAS104 - Adding and Removing Drives
My 4 bay ReadyNAS104 is currently running with 3 drives used and 1 bay spare. The 3 bays are fitted with WD Red 3.5" HDD's (2 x 2TB and 1 x 4TB). I want to get another drive for additional storage fo...
aks wrote:
There is a useful online drive configuration and capacity calculator by Netgear here.
This can be helpful, but one drawback is that it doesn't cover expansion cases. There are expansion paths that won't work, and the tool isn't designed to give you guidance on them. With XRAID, the safe path is to either (a) replace a failing disk with one of the same size or (b) replace or add disks that are at least as big as the largest installed drive.
And ReadyNAS only support volume expansion - at the moment there is no way to remove disks from an existing volume without degrading it.
For single redundancy XRAID, the capacity rule is simple enough that you don't need the tool: just sum the disks and subtract the largest. If you want to see the volume size in TiB, google will convert for you. Try entering 24 TB in TiB in google search.
Expansion is convenient, but eventually you'll want to start over (but that does require a lot of set up all over again). Of course you also need a backup too!
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