Persistent device numbers
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As far as I understand, currently kernel assigns device numbers dynamically.
That's why mount by label exists
[zaitcev@niphredil zaitcev]$ cat /etc/fstab
LABEL=/ / ext2 defaults 1 1 /dev/fd0 /mnt/floppy auto noauto,owner 0 0 none /proc proc defaults 0 0 none /dev/pts devpts gid=5,mode=620 0 0
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Do I miss something and Linux has such mechanism?
Not really... Gooch says it is needed and he has a patch for it, check it out too. Most of it can be resolved by other means.
-- Pete