"For instance, if you have a disk with a specific UUID
and a block device name of /dev/sda3, if you do all your work (and
system/application customization) with that disk, as the name
/dev/sda3, you might be in for a big headache if you have a system
problem (or just install some new hardware and reconfigure) and
Linux decides to rename /dev/sda3 as /dev/sdb3 (or "anything"
else). If you're using UUID's, you can simply use the "tune2fs"
command (shown below) to assign the original UUID back to the new
logical device name, so /dev/sdb3 would function exactly as if it
were /dev/sda3, without causing any issues with your Linux OS
Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. QuinStreet does not include all companies or all types of products available in the marketplace.