The clean_file_locks.py script should do the job safely - it only removes locks for processes which no longer exist.
Usually, if a lock was left behind, then a process somewhere also failed, so check for that as well. mike On Sat, Apr 14, 2012 at 6:55 PM, Nathanael Burton <[email protected]> wrote: > 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 <[email protected]> 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: [email protected] >> To: [email protected] >> CC: [email protected] >> >> >> 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" <[email protected]> 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 >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp

