IBM Tivoli Monitoring > Version 6.3 Fix Pack 2 > Installation Guides > High Availability Guide for Distributed Systems > The clustering of IBM Tivoli Monitoring components > What to expect from the IBM Tivoli Monitoring infrastructure in a clustered environment
IBM Tivoli Monitoring, Version 6.3 Fix Pack 2
Short-term data collection
When a hub failover or failback occurs, remote monitoring servers and agents reconnect to it, causing all situations to be restarted.
Short-term data collection is performed at the agents through special internal situations called UADVISOR. These situations are also restarted and collect data only after the next full interval has passed, resulting in the loss of the data gathered in one collection interval.
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What to expect from the IBM Tivoli Monitoring infrastructure in a clustered environment