E20-818 Question #113: Real Exam Question with Answer & Explanation

Click the Calculator icon in the upper left-hand corner. A customer is planning the migration of Microsoft Exchange 2007 from a third-party NAS appliance to a newly purchased Symmetrix V-Max array. After determining the number of spindles required for performance, the customer would like to calculate whether the given spindles will support the LUN size required to support the mailbox stores. The customer is using the Exchange "Very Heavy" user profile as a guide in estimating the LUN size for the planned 200 users per store. They have standardized on 1 GB mailboxes and would like to factor in a 20% overhead in anticipation of future growth. The customer does not perform offline maintenance on their databases. However, online maintenance does complete every 48 hours and full backups are performed nightly. What is the minimum size LUN that will accommodate the transaction logs for each mailbox store?