Am 11.02.2014 17:29, schrieb Andrey Borzenkov: > В Tue, 11 Feb 2014 17:20:15 +0100 > "Jason A. Donenfeld" <ja...@zx2c4.com> пишет: > >> On Tue, Feb 11, 2014 at 5:15 PM, Dave Reisner <d...@falconindy.com> wrote: >>> I don't think there's any change needed here. The interface states: >>> >>> "The initrd should mount /run as a tmpfs". >> >>> And sure enough, this isn't a requirement, but there's many valid >>> reasons to do this. >> >> >> Ahh, okay. I suppose what I'm wondering is what the advantages are to >> mounting /run (if the remaining interfaces in the list aren't used)? >> It looks like mounting /run occurs pretty soon in core/main.c. Could >> it be that the only advantages of mounting /run early on are for using >> the more advanced systemd initrd interfaces, such as giving control >> back during shutdown? Or are there benefits in doing this even for the >> most minimal of initrd? > > /run is used to pass state between initrd and system for such > components as udev or mdadm. I do not know how your initramfs > implementation works and whether it is using udev, but if you support > root on MD, you likely will need /run
in context systemd maybe, in context MD not the machine in front of me running F20 with systemd has root on RAID10 originally installed with F14 before /run and systemd existed in the setup
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