A customer's business requires 24x7 uptime and highest data availability. In the past, the customer has experienced revenue loss from several outages during firmware upgrade processes with non-HPE…

A customer's business requires 24x7 uptime and highest data availability. In the past, the customer has experienced revenue loss from several outages during firmware upgrade processes with non-HPE products due to temporary loss of access to disk enclosures. There is a need for 80 TB of Tier-0 storage. You proposes cage availability in the new design, using a 2- node, HPE 3PAR StoreServ containing 80 x 1.92 TB cMLC SSD drives. When following the HPE best practices, how many additional enclosures should be included in the system?