Richard Shaw wrote: > On Sun, Mar 8, 2009 at 9:49 AM, Mikkel L. Ellertson > <mikkel@xxxxxxxxxxxxxxxx> wrote: >> Richard Shaw wrote: >>> Some other thoughts about hardware upgrades: >>> >>> Both machines I upgraded the ethernet changed to "eth1" but I'm not >>> sure where to get rid of the old settings but it's working so I may >>> leave it alone. >>> >> Udev keeps tract of some hardware. It is mainly so things like >> network interfaces and CD/DVD drives retain the same label when you >> add new hardware. (It is a pain when you add another NIC, and it >> becomes eth0...) You can fix it by deleting the >> *-persistent-*.rules. For NICs, it is 70-persistent-net.rules. >> Unless you transfered CD/DVD drives with the hard drives, you are >> going to find that the CD/DVD symlinks are wrong as well. >> >>> Maybe there could be some sort of hardware upgrade helper to help with >>> this process? It could install itself on your system as a rescue image >>> to help walk you though the process like preupgrade but for hardware. >>> >> That sounds like a good idea. Maybe an option in the rescue mode to >> rebuild the initrd image. Also a command in /sbin to delete the >> persistent rules... >> >> Mikkel > > Thanks, I forgot about that. I had a similar thing happen when I > upgraded DVD burners and completely forgot about udev rules. Hmm... > along with a hw version of preupgrade maybe a udev device editor would > be nice too? > > Richard > Well, you can edit the rules by hand. But it is just as easy to delete them. Udev will the re-create them on boot for the new hardware. The first NIC it finds will be eth0, the first CD/DVD with be cdrom and cdrom0, etc... Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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