Compaq ProLiant 2500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator - Page 59
Server Capacity* Requirements for Active/Standby Configuration
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2-28 Compaq ProLiant Clusters HA/F100 and HA/F200 Administrator Guide The following table details the capacity requirements that can be applied to either active/active design. Table 2-1 Server Capacity* Requirements for Active/Active Configuration Node1 Node2 Operating system (Windows NT and MSCS) Operating system (Windows NT and MSCS) Nonclustered applications and services Nonclustered applications and services Server1 clustered applications and services Server2 clustered applications and services Server2 clustered applications and services (if Server2 is set up to fail applications and services to Server1) Server1 clustered applications and services (if Server1 is set up to fail applications and services to Server2) * Processing power, memory, and nonshared storage Active/Standby Configuration In an active/standby configuration, only one node actively runs applications and services. The other node is in an idle, or standby, state. Assume Node1 is the active node and Node2 is the standby node. Table 2-2 Server Capacity* Requirements for Active/Standby Configuration Node1 Node2 Operating System (Windows NT and MSCS) Operating system (Windows NT and MSCS) Nonclustered applications and services Server1 clustered applications and services Server1 clustered applications and services * Processing power, memory, and nonshared storage