Recently your team had to respond to a critical SAN failure that led to the loss of

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Question:

Recently your team had to respond to a critical SAN failure that led to the loss of all running servers within your data center. To facilitate the restoration of services you had to restore backups from offsite tapes onto a new SAN that took 72 hours to arrive. The restoration process for each virtual machine that was lost took several hours to complete as the backup tapes took several hours to copy over your virtual disk files. It took a period of 15 days to fully restore services to the organization and several board members are upset about the length of the downtime of several critical services. In conducting a post-mortem review of activities to update procedures in the case that such an event took place again it has been brought up that several small services were restored prior to critical systems. What change should be made to the disaster recovery plan going forward? Explain.