Hello, I'm no expert on the subject, but i think you should just use "mount -t nfs 172.18.32.7:/ /var/lib/nova/instances" instead of "mount -t nfs 172.18.32.7: /var/lib/nova/instances /var/lib/nova/instances". Also from the stack trace it seems your libvirtd is not running.
On Thu, Aug 9, 2012 at 7:55 AM, 王鹏 <breakwin...@gmail.com> wrote: > HI everyone, > when I test live migration use NFS ,that's my sitting according to > > http://docs.openstack.org/essex/openstack-compute/admin/content/configuring-live-migrations.html > > 1.add this line /var/lib/nova/instances *(rw,sync,fsid=0,no_root_squash) > in /etc/exports > 2.mount -t nfs 172.18.32.7:/var/lib/nova/instances > /var/lib/nova/instances at compute > and change some setting in libvirt.conf and libvird-bin.conf add a option > -l > 3.restart service > > then I create instance in compute node ,find error > that's my nova-compute.log as follow: > 2012-08-09 13:13:03 ERROR nova.manager [-] Error during > ComputeManager.update_available_resource: Failed to connect socket to > '/var/run/libvirt/libvirt-sock': No such file or directory > 2012-08-09 13:13:03 TRACE nova.manager Traceback (most recent call last): > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/nova/manager.py", line 155, in > periodic_tasks > 2012-08-09 13:13:03 TRACE nova.manager task(self, context) > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2409, in > update_available_resource > 2012-08-09 13:13:03 TRACE nova.manager > self.driver.update_available_resource(context, self.host) > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line > 1936, in update_available_resource > 2012-08-09 13:13:03 TRACE nova.manager 'vcpus_used': self.get_vcpu_used(), > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line > 1742, in get_vcpu_used > 2012-08-09 13:13:03 TRACE nova.manager for dom_id in > self._conn.listDomainsID(): > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line > 298, in _get_connection > 2012-08-09 13:13:03 TRACE nova.manager self.read_only) > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line > 341, in _connect > 2012-08-09 13:13:03 TRACE nova.manager return libvirt.openAuth(uri, auth, > 0) > 2012-08-09 13:13:03 TRACE nova.manager File > "/usr/lib/python2.7/dist-packages/libvirt.py", line 102, in openAuth > 2012-08-09 13:13:03 TRACE nova.manager if ret is None:raise > libvirtError('virConnectOpenAuth() failed') > 2012-08-09 13:13:03 TRACE nova.manager libvirtError: Failed to connect > socket to '/var/run/libvirt/libvirt-sock': No such file or directory > 2012-08-09 13:13:03 TRACE nova.manager > > what's /var/run/libvirt/libvirt-sock'? > why this error? > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > -- Cumprimentos / Regards, Leander
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