HP B- Accelerators Linux manual Maintenance

Manually running the SNMP subagent	29
Subagent log file	29
Using the SNMP sample config files	30
Enabling SNMP test mode	30
Troubleshooting SNMP	33
Supported SNMP MIB fields	33
Maintenance	35
Maintenance tools	35
Device LED indicators	35
HP IO Accelerator Management Tool	35
Command-line utilities	35
Enabling PCIe power override	36
Enabling the override parameter	37
Common maintenance tasks	37
Unloading the IO Accelerator driver	38
Uninstalling the IO Accelerator driver RPM package	38
Uninstalling the IO Accelerator Utilities, IO Accelerator Management Tool 2.x, and other support packages
...................................................................................................................................................	38
Disabling auto attach	38
Unmanaged shutdown issues	39
Disabling the driver	39
Utilities	40
Utilities reference	40
fio-attach	40
fio-beacon	41
fio-bugreport	41
fio-detach	42
fio-format	43
fio-pci-check	44
fio-snmp-agentx	45
fio-status	45
fio-sure-erase	47
fio-update-iodrive	49
Monitoring IO Accelerator health	52
NAND flash and component failure	52
Health metrics	52
Health monitoring techniques	53
About flashback protection technology	54
Software RAID and health monitoring	54
Performance and tuning	55
Introduction to performance and tuning	55
Disabling DVFS	55
Limiting APCI C-states	55
Setting NUMA affinity	56
Setting the interrupt handler affinity	56
NUMA configuration	57
Introduction to NUMA architecture	57
NUMA node override parameter	57
Advanced configuration example	57

Contents 4