[Info-vax] Uptime for OpenVMS

[glen herrmannsfeldt]

Wilm Boerhout <wboerhout-remove at this-gmail.com> wrote:
(snip, someone wrote)
>>> I'm not certain that Unix/Linux really cares what disk is mounted.

(then I wrote)
>> It seems that Linux can mount either by device file (/dev/sda)
>> or by disk label.  In the latter case, it will find the right
>> disk, even if it moves to a different mount point.
 
> It will find the disk with the specified label. This may or may not be 
> the "right" disk, with "right" meaning "the physical disk that was 
> previously mounted"

In days past, there were systems to assign volume labels to 
reduce the chance that two had the same label.  (Especially for
tapes, but disks, too.)   It seems that I have a linux system
with a disk label of 1, which isn't so likely to be unique.

-- glen