I've had a ReadyNAS Duo for a couple of years and it's generally been ok, but has a weird 'feature' which is now causing problems.
When I add a second disk to the Duo it crashes - I hear the disk spin up and then everything just goes unresponsive. NAS is unresponsive, disappears off RAIDAR, etc. That's if I hot-add the 2nd disk.
If I shutdown the NAS and add it the Duo just never starts up properly at all (just sits there with the blue light blinking).
Both disks are the same size and are on the Hardware Compatibility List. I did used to be able to work around this issue by formating the 2nd disk in my PC and then adding it in to the Duo, then it would resync and work again, but as soon as there was a shutdown/power outage I'd have to reformat the disk if I wanted it to work. I've used many different disks on this drive, going to great lengths to source ones from the Hardware Compatibility List and this was the only way to get any of them to work. However now, even this has stopped working.
Can anyone tell me what's going on? Or point me in a direction to get this resolved?