HP IO Accelerator for BladeSystem c-Class Vmware manual 4

Introduction to performance and tuning ......................................................................................................	28
Disabling DVFS.......................................................................................................................................	28
Limiting APCI C-states ..............................................................................................................................	28
Utilities ......................................................................................................................................	29
Utilities reference.....................................................................................................................................	29
fio-attach ......................................................................................................................................	29
fio-beacon ....................................................................................................................................	30
fio-bugreport .................................................................................................................................	30
fio-detach .....................................................................................................................................	32
fio-format......................................................................................................................................	32
fio-pci-check..................................................................................................................................	33
fio-status .......................................................................................................................................	34
fio-update-iodrive...........................................................................................................................	36
Monitoring IO Accelerator health .................................................................................................	39
NAND flash and component failure...........................................................................................................	39
Health metrics.........................................................................................................................................	39
Health monitoring techniques....................................................................................................................	39
Flashback substitution events.....................................................................................................................	40
Module parameters.....................................................................................................................	41
Using module parameters.........................................................................................................................	41
VMDirectPathIO..........................................................................................................................	42
Working with IO Accelerators and VMDirectPathIO.....................................................................................	42
Using products with multiple devices..........................................................................................................	42
Resources ..................................................................................................................................	43
Subscription service .................................................................................................................................	43
For more information ...............................................................................................................................	43
Support and other resources ........................................................................................................	44
Before you contact HP..............................................................................................................................	44
HP contact information.............................................................................................................................	44
Customer Self Repair ...............................................................................................................................	44
Regulatory information ................................................................................................................	52
Safety and regulatory compliance .............................................................................................................	52
Turkey RoHS material content declaration...................................................................................................	52
Ukraine RoHS material content declaration .................................................................................................	52
Warranty information ..............................................................................................................................	52
Acronyms and abbreviations........................................................................................................	53
Documentation feedback .............................................................................................................	55
Index.........................................................................................................................................	56

Contents 4