As customers SANs grow, recommend reviewing the members of the SAN to determine if it is possible to divide the infrastructure into independent SAN islands. For example, critical applications may justify a smaller, more highly available SAN; meanwhile, development users may be moved to a lower cost SAN or iSCSI. By breaking it down into units, you can manage the SAN infrastructure and provide the best cost/performance/availability ratio.
Dig Deeper on Primary and secondary storage
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