HP ProLiant 4500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 38

Example - Database/Standby Server

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Designing the Compaq ProLiant Clusters HA/F100 and HA/F200 2-7 Example - Database/Standby Server An example business scenario describes a mail order business whose competitive edge is quick product delivery. If the product is not delivered on time, the order is void and the sale is terminated. The business uses a single server to perform queries and calculations on order entry information, translating sales orders into packaging and distribution instructions for the warehouse. With an estimated downtime cost of $1,000/hour, the company determines that the cost of a standby server is justified. This mission-critical (active) server is clustered with a standby server. If the active server encounters a failure, this critical application and all its resources fail over to the standby server, which validates the database and brings it online. The standby server now becomes active and the application executes at an acceptable level of performance. Mail Order System Shared Storage Capacity (Mail Order System) Node1 (Mail Order Database) Figure 2-3. Active/standby example Node2 (Standby)

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Designing the Compaq ProLiant Clusters HA/F100 and HA/F200
2-7
Example – Database/Standby Server
An example business scenario describes a mail order business whose
competitive edge is quick product delivery. If the product is not delivered on
time, the order is void and the sale is terminated. The business uses a single
server to perform queries and calculations on order entry information,
translating sales orders into packaging and distribution instructions for the
warehouse. With an estimated downtime cost of $1,000/hour, the company
determines that the cost of a standby server is justified.
This mission-critical (active) server is clustered with a standby server. If the
active server encounters a failure, this critical application and all its resources
fail over to the standby server, which validates the database and brings it
online. The standby server now becomes active and the application executes at
an acceptable level of performance.
Mail Order System
Shared Storage
(Mail Order Database)
(Standby)
Node1
Node2
Capacity
(Mail Order System)
Figure 2-3.
Active/standby example