On 26/10/16 04:49 AM, Joshua Kinard wrote: > On 10/25/2016 13:15, William Hubbs wrote: >> On Tue, Oct 25, 2016 at 01:10:06PM -0400, Mike Gilbert wrote: >>> On Tue, Oct 25, 2016 at 1:01 PM, William Hubbs <willi...@gentoo.org> wrote: >>>> If you are not using /dev/disk/by-* paths in fstab, you do not need to >>> take any action for this news item. >>>> >>>> If you are, it is very critical that you update fstab AS SOON AS >>> POSSIBLE. Your system will become unbootable in the future if you do >>> not do so. >>> >>> Err, what is changing that will make systems unbootable? >>> >>> I am fairly certain systems running systemd will continue to work >>> properly with either syntax. >> >> They probably will. >> >>> If this is about the udev-settle issue for OpenRC, I would urge you to >>> reconsider that. >> >> There isn't anything to reconsider afaik. The problem is that >> /dev/disk/by-* are only created by udev/eudev, but the other syntax >> works regardless of which device manager you use, so this is the safer >> route. >> >> William >> > > I take it us museum relics still using jurassic-era device names like > /dev/sd* or /dev/md* aren't affected by this?
That's correct -- the kernel's 'devtmpfs' creates those ones, whereas the /dev/disk/by-* symlinks (pretty well all symlinks in /dev i think, actually) are generated by udev rules. Actually, I wonder if the /dev/[vgname]/[lvname] paths would be affected by this too -- those are symlinks to the actual nodes in /dev/mapper/ after all, and are created by 11-dm-lvm.rules > Cthulhu-forbid Linux device > naming gets any more complicated than using UUID's. What's next, saving the > serial numbers of discovered disks in an overly-complicated key/value-based > non-SQL database format? You mean all the /run/udev/data/b*:* files? :)
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