| 26 | |
| 28 | |
| 30 | |
| Monitoring IO Accelerator health | 33 | 
| NAND flash and component failure | 33 | 
| Health metrics | 33 | 
| Health monitoring techniques | 34 | 
| ZFS pools and health monitoring | 35 | 
| Using module parameters | 35 | 
| Upgrading devices | 36 | 
| Upgrading devices for IO Accelerator VSL 2.x.x to 3.x.x | 36 | 
| Upgrade procedure | 36 | 
| Resources | 39 | 
| Subscription service | 39 | 
| For more information | 39 | 
| Support and other resources | 40 | 
| Before you contact HP | 40 | 
| HP contact information | 40 | 
| Customer Self Repair | 40 | 
| Acronyms and abbreviations | 48 | 
| Documentation feedback | 49 | 
| Index | 50 | 
Contents 4
