Snapshot option missing

[gbhec]

Hi there,

I'm trying to set up snapshot on the QNAP NAS so I can roll it back to a previous state should anything go wrong on the NAS. When I follow the tutorials it suggests going to Storage Space and there is a dropdown showing Snapshot... however I do not have this drop down. Does anyone have any suggestions??

I'm running 4.3.3.0229 on a HS-251+ with 2 drives set as one volume.

Thanks in advance!