I recently had a motherboard failure and had to replace it. The old MB had seven SATA connections; the new MB has six SATA connections. I use two old PCI 4 port SATA controllers. My case has slots for 15 drives. So, before I had 1 parity disk and 14 data drive slots. I had a drive in the 14th disk slot before but with the new board, I left the last slot unattached to a controller. I moved the data drive that was in data slot 14 to data drive slot 11. When Unraid booted on the new board, it recognized all the data drives but the drive that is now in slot 11 (previously 14) is still identified by Unraid as disk 14. Not a big deal but I can't figure out how to get the disk number changed from 14 to 11. I have stopped the array, unassigned the drive shown as disk 14 and then selected that drive for disk 11 but it will not persist; when I restart the server, Unraid still shows it as 14. What am I missing?

Why do you feel the need to change it?

There's no real reason to change it; but if you want to, just to a "New Config" and assign the drives as you like.  Be SURE you assign all of the data drives to data slots, and assign the parity drive correctly.

 

This will put the system "at risk" (not protected) until the initial parity sync completes ... so be sure you run a parity check and have zero errors before you do it.

 

Thanks Gary!

If you do a parity check with zero errors before doing New Config, then you can also do Trust Parity since there would be no need to do another parity sync.

If you do a parity check with zero errors before doing New Config, the you can also do Trust Parity since there would be no need to do another parity sync.

 

True, as long as there is NO difference in the set of drives assigned.  I'd nevertheless do a parity check immediately after setting the configuration.