January 2, 20224 yr I was organizing the cabling inside my server case and I had to unplug and replug the hard drives. It appears that I plugged the drives back into the same cables/ports, but what happens if you switched a cable? For example, let's say disk 2 was sdb and was a 4TB drive and disk 3 was sdc and was a 8TB drive. What would happen if you swapped the cables so presumably sdb would now be the 8TB drive and sdc would be the 4TB drive? Would your array still be valid? What disk would be disk 2 in unRAID? In Linux how are the sda, sdb, determined? It appears that sda is my unRAID boot drive which is a USB device. Are the other identifiers, like sdb, sdc, etc tied to specific SATA ports? So that SATA port 1 is always sdb?
January 2, 20224 yr Community Expert It does not matter - Unraid recognises drives by their serial numbers. The sdX ids are assigned dynamically by Linux during the boot and can never be relied on and are subject to change between reboots
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