HP ProLiant 4500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 58

Server Capacity, Active/Active Configuration

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Designing the Compaq ProLiant Clusters HA/F100 and HA/F200 2-27 Determine the processor and memory requirements needed to support the clustered applications and services that will run on each node while the cluster is in a normal operating state. If the program files of a clustered application and/or service will reside on local storage, remember to add that capacity to the amount of local storage needed on each node. For all files that will reside on shared storage, see "Shared Storage Capacity" later in this chapter. Server Capacity The capacity needed in each server depends on whether you design your cluster as an active/active configuration or as an active/standby configuration. Capacity planning for each configuration is discussed in the following sections. Active/Active Configuration As described earlier in this chapter, an active/active configuration can be designed in two ways: s Applications and services may be configured to fail over from each node to its partner node, or s Applications and services may be configured to fail over from just one node to its partner node.

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Designing the Compaq ProLiant Clusters HA/F100 and HA/F200
2-27
Determine the processor and memory requirements needed to support the
clustered applications and services that will run on each node while the cluster
is in a normal operating state.
If the program files of a clustered application and/or service will reside on
local storage, remember to add that capacity to the amount of local storage
needed on each node.
For all files that will reside on shared storage, see “Shared Storage Capacity”
later in this chapter.
Server Capacity
The capacity needed in each server depends on whether you design your
cluster as an active/active configuration or as an active/standby configuration.
Capacity planning for each configuration is discussed in the following
sections.
Active/Active Configuration
As described earlier in this chapter, an active/active configuration can be
designed in two ways:
■
Applications and services may be configured to fail over from each node
to its partner node, or
■
Applications and services may be configured to fail over from just one
node to its partner node.