On Sunday 17 May 2015 10:09:11 Rich Freeman wrote: --->8 > Most people using openrc are also using systemd-udev (and there is a > good chance you do too). The latter was previously named udev and > long predates what most people call systemd. Eudev is a fork of udev, > which comes from after it came under the systemd umbrella, but before > the name change and a number of changes that were controversial. I > believe they try to incorporate many of the patches from systemd-udev > but some default behaviors are different. > > In any case, I just wanted to clarify that systemd-udev is not the > "systemd" you're probably thinking of. In particular, it doesn't > replace openrc or sysvinit. Systemd-udev largely is concerned with > populating /dev, and running initialization of hardware when it is > detected, based on a configurable set of rules.
Thanks for the clarification. I admit I haven't kept up with developments here. > On Sun, May 17, 2015 at 9:24 AM, Peter Humphrey <[email protected]> > wrote: > > Damn. I've just checked and something has renamed my /dev/md7 to > > /dev/md127. Again. It's just too bad. I shall have to stop it when I get a > > quiet moment and reassemble it into /dev/md7. Actually, I know what caused > > it but I didn't notice at the time. > > And this was one of the configuration problems I ran into on rare > occasion. Often booting from a rescue CD or such caused something > like this to happen. I believe the cause in this case was forgetting an important step part-way through creating the volumes, rebooting to repair the omission and then resuming. I should have checked before now that /dev/mdX hadn't been renamed to /dev/md12X. I think it should be fairly straightforward to fix though. > One of the advantages of using an initramfs is that they can be a lot > smarter about finding your partitions. You can identify them by UUID > or label, and not care as much if mdadm or the kernel renames your > device nodes. > > I'd seriously take a look at dracut, though I don't know if it works > with eudev. It certainly should support openrc, and I know that it > did back when I was running openrc. Maybe I will. I suspect dodgy disks and I have a pair of new SSDs on the way. Perhaps it's time for a rethink. > It certainly isn't necessary to use an initramfs to use Gentoo, and I > used to be among the more minimalist crowd that avoided them. > However, once I took the time to examine dracut it went from being a > blob that looked unnecessary to a tool that is often useful. Thanks again for your contribution, Rich. -- Rgds Peter

