what on earth is blkid doing?

[Michael Schwendt]

On 03/05/07, Tom Horsley wrote:
> Over in the discussion about disk labeling, the blkid tool was
> mentioned. I ran it (no args), and it showed the label on
> all my partitions, including the /dev/dvd device, which doesn't
> have a DVD in it. The label it showed me was the last DVD I did
> have in it a few days ago, and I've rebooted several times since
> then. Where the heck is this coming from? Does the DVD drive
> itself store that?

man blkid   ->   /etc/blkid/blkid.tab

sound very much like what you are in search of.