On Fri, Apr 1, 2011 at 10:09 PM, Ron Kerry <rke...@sgi.com> wrote: > On 7/22/64 2:59 PM, Pavel Levshin wrote: >> >> 01.04.2011 18:36, Ron Kerry: >> > Folks - >> > >> > Consider a running cluster with all resources managed. We want to stop >> > and quickly restart a particular resource without impacting other >> > resources. The software stack running on the system can deal with this >> > sort of temporary outage. We perform the following actions: >> > * unmanage the resource >> > * stop the resource >> > * start the resource >> > * manage the resource >> > >> > The above procedure is sometimes successful. However, we will also >> > sometimes get a resource monitor failure after stopping the resource. >> > It is clear that the monitor operation was not stopped (at least not >> > immediately) by unmanaging the resource. >> >> Unmanaged resource cannot be started and stopped, but can still be >> monitored. > > So unmanaged really means the resource is still being managed to some > degree?
No, it means its being observed - this allows the cluster to do the right thing for other managed resources that depend on it. > > This does not seem desirable behavior. An unmanaged resource should be > exactly that ... completely unmanaged ==> It cannot be stopped, started OR > monitored. > > > -- > > Ron Kerry rke...@sgi.com > Global Product Support - SGI Federal > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker > _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker