Microsoft Cluster Server Monitoring

A highly available system provides continuous use of critical data and applications regardless of planned or unplanned interruption. The need for high-availability is not limited to 365x24x7 environments. All organizations have applications that must be available during normal business hours or for critical time periods throughout the day. A system failure during these critical periods is unacceptable.

The Microsoft Cluster Service in Windows Server 2000, Windows Server 2003 and Windows Server 2008 provides diagnostic logging, but can add a significant amount of overhead to the system and can be time consuming to review.

ELM Enterprise Manager provides the solution for these limitations. ELM Enterprise Manager includes a Cluster Monitor that may be configured to monitor the Cluster APIs in real-time:

• Cluster Management The Cluster Monitor uses this set of APIs to collect cluster events, information on cluster objects (including the quorum), and overall cluster state information. This includes cluster-related events that do not get logged to the event logs.
• Cluster Database Management The Cluster Monitor uses this set of APIs to monitor the cluster database. The cluster database, which contains data on all physical and logical elements in a cluster, is stored in the Registry.
• Group Management These APIs are used to monitor cluster failover groups (also known as resource groups) by tracking and reporting group status and membership changes.
• Network Interface Management The Cluster Monitor uses these APIs to monitor the network interfaces) and report status changes, including those interfaces not monitored by the Cluster Service.
• Network Management These APIs are used to monitor events related to networks being monitored by the Cluster Service. All networks available for use by the Cluster Service as the "heartbeat" network are monitored by the Cluster Service.
• Node Management The Cluster Monitor uses these APIs to monitor and track node status, cluster membership and resource ownership.
• Resource Management These APIs are used to monitor clusters at the Resource level, including the initiation of operations on the resource (stopping, starting, etc.).
• Registry Events These APIs are used to monitor cluster registry activity.

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