It's still using DHCP. I was contemplating the fixed IP move when all this kicked off. The fact that entering the IP address rather than "//tower/" gets the "It works!" response confuses me!
Not sure what to suggest. You could try the following;
Checking the BIOS to make sure everything is right there. Checking the router for its settings Check the network.cfg file on another computer and/or replace with a new version.
You will NOT have to lose data nor preclear the disks. Preclearing is more to stress test the drives to test for errors before creating an array. Remember all the drives can be read seperately if needed.
How do I check the BIOS and what am I looking for? I have checked the router and it seems fine. The settings are all as they were before when it worked perfectly. I don't understand the bit about the network.cfg file... That's the trouble - I'm on the edge of my knowledge and ability!
I don't think there is anything wrong with the disks, but I think it's down to the Unraid software. I fear I'll have to begin again from scratch and rebuild the array using the existing disks...
I just re-formatted and reinstalled the unRAID software onto the USB stick. I stuck it back into the server and powered it up, expecting nothing. But it works, as does the GUI! It recognises all the disks, but the parity disk needs to be reinstalled and a new parity check run. Rather pleased!