openstack team mailing list archive

[Salman Malik <salmanmk@xxxxxxxx>]

Thanks Nat. The script didn't help but removing lock files from the directory that you mentioned definitely helped.

Thanks,
Salman

> Date: Sat, 14 Apr 2012 21:55:47 -0400
> Subject: Re: [Openstack] nova-network service stuck
> From: nathanael.i.burton@xxxxxxxxx
> To: salmanmk@xxxxxxxx
> CC: openstack@xxxxxxxxxxxxxxxxxxx
> 
> Salman,
> 
> The location for the locks is determined by the --lock_path setting in
> nova.conf.  This is apparently set to the base path where the nova
> python code lives ($pybasedir) in devstack:
> 
> 2012-04-14 21:35:42 DEBUG nova.service [-] lock_path : /opt/stack/nova
> from (pid=3700) wait /opt/stack/nova/nova/service.py:442
> 
> Since, that directory has a bunch of important files in it, certainly
> don't follow my previous advice and remove all the files in that
> directory.  There is a bug
> (https://bugs.launchpad.net/nova/+bug/785955) about nova not cleaning
> up locks that should have been fixed in essex-4.  As part of the fix
> to that Mike Pittaro wrote a cleanup locks script that should be in
> /opt/stack/nova/tools/clean_file_locks.py.  Try running that and let
> us know if that fixed it.  If not look for *.lock files in
> /opt/stack/nova
> 
> Thanks,
> 
> Nate
> 
> On Sat, Apr 14, 2012 at 9:07 PM, Salman Malik <salmanmk@xxxxxxxx> wrote:
> > Thanks Nate for the quick reply.
> > There is no such directory on the system (I am using devstack if that
> > helps...)
> >
> > Thanks,
> > Salman
> >
> > ________________________________
> > Date: Sat, 14 Apr 2012 21:00:39 -0400
> > Subject: Re: [Openstack] nova-network service stuck
> > From: nathanael.i.burton@xxxxxxxxx
> > To: salmanmk@xxxxxxxx
> > CC: openstack@xxxxxxxxxxxxxxxxxxx
> >
> >
> > Check in Nova's lock dir, on my system it's /var/lib/nova/tmp. Remove any
> > files in there and restart the services.
> > Nate
> > On Apr 14, 2012 8:56 PM, "Salman Malik" <salmanmk@xxxxxxxx> wrote:
> >
> > Hi All,
> >
> > I am having problem with getting nova-service to work. The last line that is
> > shown on the screen is: "2012-04-14 19:42:39 DEBUG nova.utils [-] Attempting
> > to grab file lock "iptables" for method "apply"... from (pid=3649) inner
> > /opt/stack/nova/nova/utils.py:936" and the service is stuck at this point.
> > So when I do a nova-manage service list, network service turns out to be
> > unhappy. I haven't found much help on how to 'unlock' iptables file.
> >
> > Thoughts please ?
> >
> > Salman
> >
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