Failover cluster – is your rhs.exe crashing or your cluster taking a lifetime to shutdown?

March 23rd update. Eventually Microsoft acknowledged the issue: http://support.microsoft.com/kb/2673129/en-us?sd=rss&spid=14134   Well if you have one or both these issues then you probably are in the same situation we stumble into. On a customer site, relying heavily on Hyper-v failover clusters, we started to have “strange” issues: The VMs started to shutdown unexpectedly and we got […]

Eventually we got cumulative 1 for R2

It will resolve the cluster issues I reported on and the annoying issue with health state mismatch, among the others. Strongly recommended, after proper testing. Cumulative Update 1 for System Center Operations Manager 2007 R2 Cumulative Update 1 contains a number of fixes for the Operations Manager 2007 R2 release. A number of fixes require […]

Failover cluster monitoring – quick insight

While I was trying to understand why my cluster nodes won’t dismiss I dug a little more inside cluster monitoring with opsmgr. As usual I have  no access to source code so I can go wrong on some assumptions. The core logic behind cluster discovery and management is coded (natively) in mommodules.dll. The dll exports: […]

R2 and cluster monitoring – issues and pitfalls

I think it’s time to wrap the various answers we can find on cluster monitoring and decommissioning in R2. Failover clustering is an high availability solution and my quote is “if you want to keep it HA you need to monitor it”. So we all expect OpsMgr to do an egregious job in monitoring failover […]