Hi, [email protected] wrote: > The drive isn't formatted and has a UUID such as > 2026-01-19-03-28-45-00. Shorter than a UUID for a file system.
It is what blkid uses as UUID of an ISO 9660 filesystem (and maybe UDF). Probably it is the "Volume Modification Date and Time" in the primary volume descriptor. See ECMA-119 8.4.27. Peculiar is the ending "-00" which corresponds to bytes 15 and 16 of ECMA-119 8.4.26.1 "Hundreths of a second". libisofs always fills in "00" there. > After reading the reply I noticed that the UUID had changed. It's > revised periodically. Did you put ISO images onto that drive ? The lsblk UUID is a property of the detected filesystem, not of the storage device. AFAIK the blkid properties get cached. But unplugging amd replugging the device should update that cache by the actual filesystem properties. Have a nice day :) Thomas
