E20-880 Question #9: Real Exam Question with Answer & Explanation

Your customer has recently purchased a VNX to host their three Oracle RAC database environments and automated payment processing application. The RACs and application are differentiated as follows: ORA-PROD, ORA-STAGE, ORA-DEV, APP-PROD, APP-STAGE, and APP-DEV. The customer has provided you with their Enterprise Storage Policy (ESP) and is requesting that you adhere to this policy when architecting their new VNX solution. The ESP states the following as it relates to Oracle database storage requirements: - All LUNs must be configured as raw devices - All LUNs must be managed using ASM - No fewer than two LUNs per ASM disk group - No more than one database per RAC per RAID Group - No more than three databases per RAID Group - All data LUNs must be 1000 GiB RAID 5 - All FRA LUNs must be 500 GiB RAID 1/0 - No more than eight total disks per RAID Group - No fewer than four disks per RAID Group Based on the ESP, and assuming ORA-PROD has six instances, what is the minimum number of disks required?