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The IBM XIV's single-architecture approach radically changes the rules of the game of enterprise-class data storage. Until today, multi-tiered storage architecture, providing different levels of storage to different applications has had the consequence of sky-rocketing capital costs but more importantly the indirect administration and on-going licensing costs. The situation becomes even more complex when data needs to be migrated between different storage tiers, and the ILM (Information Lifecycle Management) concept is introduced to an organisation's IT operation. IBM XIV offers an alternative to multi-tiering by introducing the industry's first single-architecture system – a system that provides better service than existing storage solutions, and at considerably reduced TCO. The revolutionary scheme of one system for all needs has many advantages, among them: • All applications get top-level performance, reliability and availability
• reducing data center complexity
• never needing to migrate applications between storage tiers due to a change in their requirements or importance
The ILM concept is rendered redundant, saving on ILM-related software license costs, administration efforts, and management attention, and sparing users migration-related downtime and other service issues related to ILM.
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