But as both Centos/RHEL7 and Debian 8 uses systemd by default support
for systemd isn't really optional for OpenVZ in the long run..?
According to this page Gentoo is the only major distribution that hasn't
switched to systemd as default:
http://en.wikipedia.org/wiki/Systemd#Adoption_and_reception
So this is not different at all between Debian 8 and Centos/RHEL7.
But maybe it is a good reason to stay on the Debian 7 / RHEL6 as things
clear up...
/Johan
Den 2015-05-10 15:14, Scott Dowdle skrev:
Greetings,
----- Original Message -----
Unfortunately, we can't run OpenVZ 2/6/32 kernel on top of systemd
aware system because it lacks kdbus subsystem. But if you changed
init system to sysvinit for Debian 8 Jessie we could run old kernel
on it.
So far as I know, kdbus hasn't been added to the mainline kernel
yet... and certainly wasn't available for the 3.10.x series that
RHEL7 uses... so no, it is *NOT* a requirement for systemd because if
it were, there wouldn't be any systemd-based systems yet. For more
info, see:
https://lwn.net/Articles/641275/
kdbus is certainly something the systemd developers want in the
kernel and once it is there, systemd will be start using it.
Now having said that, I'm NOT trying to claim that the EL6-based
2.6.32.x kernel will work on the host node of newer distros like EL7
and Debian 8... because to the best of my knowledge, it will not...
but I don't think it is systemd related. There is a new mainline
kernel release approximately very 3 months and big changes are fairly
common.
TYL,
--
Johan Wilfer
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