On Nov 22 17:31, Christian Franke wrote: > Hi Corinna, > > Corinna Vinschen wrote: > > Hi Christian, > > > > > > On second thought... > > > > I had a bad night tonight and was thinking a long time about this and > > that. It suddenly occured to me that there might be another problem > > with this approach, attaching ordinals to the label name. > > > > Assuming you have a single filesystem labled "VOLUME" which is on a > > fixed disk. So you get something like this: > > > > $ ls -l /dev/disk/by-label > > total 0 > > lrwxrwxrwx 1 corinna vinschen 0 Nov 22 10:09 VOLUME -> ../../sdb1 > > lrwxrwxrwx 1 corinna vinschen 0 Nov 22 10:10 root -> ../../sda3 > > > > Now you insert an USB Stick with a FAT32 filesystem, also labeled > > "VOLUME". Now you get something like this: > > > > $ ls -l /dev/disk/by-label > > total 0 > > lrwxrwxrwx 1 corinna vinschen 0 Nov 22 10:12 'VOLUME#0' -> ../../sdb1 > > lrwxrwxrwx 1 corinna vinschen 0 Nov 22 10:12 'VOLUME#1' -> ../../sdc1 > > lrwxrwxrwx 1 corinna vinschen 0 Nov 22 10:10 root -> ../../sda3 > > > > So the label name changes, depending on inserting or removing another > > partition. > > This is intentional. If the first duplicate appears, it is IMO better to > also replace the original name to show that a duplicate exists. > > > > > > Not saying I have a good solution myself, so I wonder if we should just > > let it slip, but I thought we should at least talk about it... > > Users should be aware that unspecific label names like VOLUME could not be > used as a persistent link if drives are changed. > > Same may apply to by-partuuid names as preformatted SD-cards and USB flash > drives may have a null MBR serial number.
Makes total sense. Thanks, Corinna
