On Wed, Jan 15, 2014 at 1:32 PM, ZhiQiang Fan <[email protected]> wrote:
> Hi, > > When read Ceilometer install guide[1], the multi valued option > notification_driver is set to two drivers, My question is that is the first > one, which means nova.openstack.common.notifier.rpc_notifier, necessary? > what will happen if it is removed? > If the rpc notifier is not configured in nova's settings, then nova will not send notifications to the message bus and ceilometer will not have data to record about nova resources. > Note, it is not configured even in Nova installation, but is set in > Ceilometer compute agent configuration part. > The rpc notifier isn't required for nova to operate by itself, only for the integration with ceilometer. Doug > > I already read the link of SystemUsageData[2], NotificationSystem[3], but > still get no idea. > > Please help, thanks > > [1] > http://docs.openstack.org/havana/install-guide/install/apt/content/ceilometer-install-nova.html<http://docs.openstack.org/havana/install-guide/install/apt/content/ceilometer-install-nova.html> > [2] https://wiki.openstack.org/wiki/SystemUsageData > [3] https://wiki.openstack.org/wiki/NotificationSystem > -- > blog: zqfan.github.com > git: github.com/zqfan > > _______________________________________________ > OpenStack-dev mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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