Active/Passive configurations are enforced in clusters with more than two nodes (more than two Exchange nodes in Exchange 2003). This means that the scaling and monitoring limitations required fo...
Published Feb 26, 2004
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If your budget runs to it, one view to have one less Passive server than Active servers (this is the MS model that has 4 Active and 3 Passive - although 2 of the Passive are mainly used for Backup tasks). This caters for most nodes failing. If all nodes failed, it would be treated as a full disaster for which some full DR policy needs to be implemented (e.g. EMC Synchronous SRDF to a DR site).