HPP Enterprises P4000 SAN - Manual (Page 31)

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Figure 24. The sample environment
Configuring for high availability
After virtualizing physical servers that had been dedicated to particular applications and
consolidating the resulting VMs on a XenServer host, you must ensure that the host will be able to run
these VMs. Designing for high availability means that the components of this environment – from
servers to storage to infrastructure – must be able to fail without impacting the delivery of associated
applications or services.
For example, HP StorageWorks P4000 SANs offer the following features that can increase
availability and avoid SPOFs:
 Hardware-based RAID for the storage node
 Multiple network interfaces bonded together