Application Tiering and Tiered Storage: How an Administrator Controls Services Levels Across Applications in a Consolidated Environment

Overview

Storage consolidation allows you to bring many applications together in a single storage pool. It can improve storage utilization, dramatically simplifies management, and increases reliability in well implemented SANs. While consolidation simplifies the management, provisioning, and backup of your data, how do you manage different application service level requirements? There is much talk about "tiered storage"—doesn't that mean separating again what you just consolidated?