What could be worse than a cgroup is not deleted by lxc-destroy? Why,
inability to create a cgroup using lxc-create!
Seriously, the host machine can not start vservers anymore. This is after
one of the cgroups got stuck in the unremovable state.
With these issues it becomes harder and harder for me to justify LXC to my
boss...
--
Arie
On Tue, Dec 13, 2011 at 00:01, Serge Hallyn <serge.hal...@canonical.com>wrote:
> Quoting Gordon Henderson (gor...@drogon.net):
> > On Thu, 8 Dec 2011, Arie Skliarouk wrote:
> >
> > > When I tried to restart the vserver, it did not came up. Long story
> short,
> > > I found that lxc-destroy did not destroy the cgroup of the same name
> as the
> > > server. The cgroup remains visible in the /sys/fs/cgroup/cpu/master
> > > directory. The tasks file is empty though.
> >
> > And just now, I've had the same thing happen - a container failed to
> > start and it left it's body in /cgroup - with empy tasks.
>
> The patch I sent out on Friday should help handle that more gracefully -
> it moves the cgroup out of the way so a new container can start. You'll
> need to clean the old one up by hand if you care to, though lxc could
> easily provide a tool to clean it up (and move and analyze any tasks left
> running in the cgroup, though I suspect in most cases there are none).
>
> -serge
>
>
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Learn Windows Azure Live! Tuesday, Dec 13, 2011
Microsoft is holding a special Learn Windows Azure training event for
developers. It will provide a great way to learn Windows Azure and what it
provides. You can attend the event by watching it streamed LIVE online.
Learn more at http://p.sf.net/sfu/ms-windowsazure
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