GLYPH<SM590000> Advanced Flash Management 

IBM FlashSystem 900 Model AE3 features unique patented designs to ensure maximum availability, which includes IBM Variable Stripe RAID™, IBM Inline Hardware Data Compression, IBM Engineered ECC (error correction code), IBM Optimized Over-Provisioning, advanced wear leveling on IBM MicroLatency modules, Write Buffer and Hardware Offload, and IBM Garbage Collection. For more information, see “Terminology” on page 42. 

These features are possible because of the following IBM patented and world-class innovations: 

GLYPH<SM590000> ECC algorithms that correct high bit-error rates. 

GLYPH<SM590000> Variable voltage and read level shifting, which maximize flash endurance. 

GLYPH<SM590000> Health binning and heat segregation, which continually monitor the health of flash blocks and perform asymmetrical wear leveling and subchip tiering. 

This usage of IBM FlashCore technology results in up to 3.8x improvement in endurance with a potential 45% reduction in write amplification. 

## 1.2.1 IBM Piece of Mind Initiative 

IBM Storage developed the following new programs that are anchored to all-flash IBM storage offerings: 

GLYPH<SM590000> Data reduction program is designed to reduce planning risks and help lower storage costs by meeting baseline levels of data compression effectiveness in IBM Spectrum Virtualize based offerings. 

GLYPH<SM590000> Controller upgrade program enables customers of designated all-flash IBM storage systems to reduce costs while maintaining leading-edge controller technology for essentially the cost of ongoing system maintenance. 

GLYPH<SM590000> A new high-availability program helps enterprises avoid the costs and risks that are related to business downtime by ensuring the availability of business-critical data and storage systems. 

Separately, the Data Reduction Guarantee, Controller Upgrade Program, and High-Availability Guarantee each offer many benefits. But, when combined as part of an IBM all-flash storage solution, the power of all three to help customers lower costs, reduce business risk, and maintain the most current technologies can be even more significant; for example, Flash endurance coverage while hardware maintenance is current ensuring Flash wear never becomes a problem. 

Confidence. Trust. Peace of mind. IBM understands that real solutions include more than simply great engineering. 

For more information about the IBM Piece of Mind Initiative, see the technical white paper, The IBM Peace of Mind initiative . 

