TCO
Reinvented
Copyright IBM Corporation 2009
iii
Contents
Introduction.......................................................................................... 1
IBM XIV: Designed for Low TCO ............................................................................ 2
Acquisition Costs .................................................................................... 4
Single-tier architecture advantages ........................................................................ 5
Commodity hardware ............................................................................................ 5
Very High Density Slower Rotation (VHDSR) disk drives ........................................... 6
Built-in thin provisioning ........................................................................................ 6
Optimal capacity use ............................................................................................. 7
Simple pricing, with all-inclusive features ................................................................ 9
Summary: How to reduce acquisition costs ........................................................... 10
Environmental Costs ............................................................................. 10
Power and cooling consumption ........................................................................... 10
Floor space use ................................................................................................... 11
Summary: How to reduce environmental costs ..................................................... 11
Administration and Management Costs ....................................................... 12
Less management overhead ................................................................................ 12
Summary: How to reduce management costs ....................................................... 13
Downtime Costs ................................................................................... 13
Less failure to be managed .................................................................................. 13
Less human intervention and error ....................................................................... 14
High availability and non-disruptive changes ......................................................... 14
Hot, online, intra- and inter-family code upgrades ................................................. 14
Summary: How to reduce downtime costs ............................................................ 15
Backup/Restore Costs ............................................................................ 15
Summary: How to reduce backup costs ................................................................ 15
Conclusion .......................................................................................... 15
Appendix: Cost Savings Formulas ............................................................. 17
Floor space savings ............................................................................................. 17
Power and cooling savings ................................................................................... 18
