HP ProLiant 2500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 40

Resource Dependency Tree, a Windows NT application and a Web server a Windows NT service.

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Designing the Compaq ProLiant Clusters HA/F100 and HA/F200 2-9 Resource Dependency Tree The following steps describe the process of creating a resource dependency tree. Each step is illustrated by adding information to a sample resource dependency tree. The sample is for a hypothetical Web Sales Order business function, which consists of two cluster groups: a database server (a Windows NT application) and a Web server (a Windows NT service). NOTE: For this example, it is assumed that each cluster group can communicate with the other even if they are not executing on the same node, for example, by means of an IP address. With this assumption, one cluster group can fail over to the other node, while the remaining cluster group continues to execute on its primary node. 1. List each business function that requires a clustered application or service. Web Sales Order Business Function Web Sales Order Cluster Group Cluster Group #1 Figure 2-4. Resource dependency tree: step 1 Cluster Group #2

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Designing the Compaq ProLiant Clusters HA/F100 and HA/F200
2-9
Resource Dependency Tree
The following steps describe the process of creating a resource dependency
tree. Each step is illustrated by adding information to a sample resource
dependency tree. The sample is for a hypothetical Web Sales Order business
function, which consists of two cluster groups: a database server
(a Windows NT application) and a Web server (a Windows NT service).
NOTE:
For this example, it is assumed that each cluster group can communicate with the
other even if they are not executing on the same node, for example, by means of an IP
address. With this assumption, one cluster group can fail over to the other node, while the
remaining cluster group continues to execute on its primary node.
1.
List each business function that requires a clustered application
or service.
Web Sales Order
Business Function
Web Sales Order
Cluster Group
Cluster Group #1
Cluster Group #2
Figure 2-4.
Resource dependency tree: step 1