On 01/13/2014 01:20 AM, Roman Haefeli wrote:
On Wed, 2014-01-08 at 23:57 -0800, Kir Kolyshkin wrote:
On 01/08/2014 08:36 AM, Roman Haefeli wrote:
Hi
When I start Debian 7 containers with the '--wait' option, it does start
the CT, but the vzctl command never returns. The same works fine with
Debian 6 containers.
I figured that 'vzctl start CTID --wait' usually adds a line to the
CT's /etc/inittab:
vz:2345:once:touch /.vzfifo
However, such a line is never added to Debian 7 CTs. On Debian 6 CTs,
this line is automatically added whenever the CT is started, even if it
has been removed manually.
A work-around is to add the line manually to /etc/inittab, but I still
wonder why the automatism doesn't work for Debian 7 CTs.
Please file a bug for vzctl, I will take a look soon.
Thanks for addressing this issue. In your notes on bugzilla
[ Just for the sake of people reading it: https://bugzilla.openvz.org/2859 ]
you mention
that the original reason for the hangs is the missing lo interface.
Yes, this is what I found with the official Debian 7 templates (that I
will fix soon).
In
fact, on the CT I tested lo was configured properly and up and running.
I should mention that I made the template myself according to the
instructions found here [1].
Hey, this makes it a perfect example of how to NOT file bug reports! ;-)
When you mentioned the scripts
in /etc/init/ I found that all our flawlessly running Debian 6 CTs don't
have this folder at all. I removed it completely also in the Debian 7 CT
and from then on I was able to start it flawlessly with the --wait flag.
Good that you have mentioned it, now I see that /etc/init existence doesn't
mean we have upstart, so we have to patch /etc/inittab regardless.
Will fix vzctl accordingly soon.
I wonder about two things:
* How important are those scripts in /etc/init, considering that I was
running Debian CTs for years without them?
This is standard upstart directory. Upstart can be used used instead of
sysvinit.
Google for debian upstart for more details.
* How did that folder /etc/init sneak into my self-made Debian 7
template?
Perhaps dpkg -S can shed some light? I observe this
on one of my Debian boxes (not running upstart):
root@kir-deb71-ovz:~# dpkg -S /etc/init
sysvinit-utils, ifupdown, udev: /etc/init
/etc/init/ isn't a standard path in Debian.
Apparently it is (if you choose to use upstart).
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