Hi again. On Tue, 2006-12-05 at 11:51 +0000, Matt Sealey wrote: > Nigel Cunningham wrote: > > > >> But this engineer should also know if he depends on the UUID of the swap > >> partition to find it. If he does not, he can simply do a "mkswap" to reset > >> the signature. > > > > Since you mentioned it, what's they point to using these ugly, looong > > uuids? /dev/hda2 is so much simpler and easier to read for mere humans. > > I guess it might be useful for USB and so on with the hotplug messiness, > > but when I look in /etc/fstab after some upgrade and stuff that's > > irrelevant to hotplugging is changed into uuids,... why? > > /dev/hda2 may move if they move the disk.. I think the preferred way (since > it seems fairly hard to 'fix' a disk in the /dev tree under Linux, not so > easy as - say - FreeBSD or NetBSD) is to mount disks from disk labels these > days (ext2 and xfs supports it at least) as then you can move the disk > around. USB, Firewire, external SATA disks will fall under this trap, but > perhaps not internal IDE.. however you can't have both ways :D Thanks for the reply. Is all the converting of uuids to device nodes done in userspace? I haven't noticed anything in the kernel to handle uuids, but I don't look at filesystem code much. Regards, Nigel
