HP IO Accelerator Driver 3.1.1 Release Notes

Contents 3
Contents
About this guide ........................................................................................................................... 5
Description ............................................................................................................................................... 5
Product naming ......................................................................................................................................... 5
System requirements ...................................................................................................................... 7
Hardware requirements .............................................................................................................................. 7
Sufficient system memory (RAM) ........................................................................................................ 7
Supported operating systems ...................................................................................................................... 8
Supported Linux operating systems .................................................................................................... 8
Supported Windows operating systems .............................................................................................. 8
Supported VMWare operating systems .............................................................................................. 8
Supported devices ..................................................................................................................................... 9
IO Accelerator Gen2 devices ............................................................................................................ 9
IO Accelerator Gen2 Duo devices ..................................................................................................... 9
IO Accelerator Gen1 devices ............................................................................................................ 9
IO Accelerator Gen1 Duo devices ..................................................................................................... 9
Upgrade notes ........................................................................................................................... 10
Firmware version ..................................................................................................................................... 10
Upgrading devices for IO Accelerator VSL 3.x.x ......................................................................................... 10
Do not downgrade device firmware ........................................................................................................... 11
Change log ................................................................................................................................ 12
3.1.1 change log .................................................................................................................................... 12
Errata ........................................................................................................................................ 13
Overview ............................................................................................................................................... 13
General issues ........................................................................................................................................ 13
Keep default MSI interrupts for better performance ............................................................................. 13
Firmware archive number might differ from firmware version number ................................................... 13
Firmware update might fail with a TDO mismatch error ...................................................................... 13
Proper time on startup .................................................................................................................... 14
Compiler Cache causes driver src.rpm rebuild failures on some distributions ......................................... 14
Do not run fio-status during driver load ............................................................................................. 14
fio-status might not display failed devices .......................................................................................... 14
Management SDK requires a specified path ...................................................................................... 14
IO Accelerator Manager displays the wrong device when swapped out ............................................... 15
Windows-specific issues ........................................................................................................................... 15
Windows Installer (DLL) errors ......................................................................................................... 15
Linux-specific issues ................................................................................................................................. 16
Drivers not installed after updating kernel ......................................................................................... 16
Rare error on driver unload using kernels older than 2.6.24 ............................................................... 16
ext4 in Kernel.org 2.6.33 or earlier might silently corrupt data when discard (trim) is enabled ................ 16
Kernels 2.6.34/35 don't handle switching interrupt types ................................................................... 16
RHEL6 udevd warning .................................................................................................................... 17
RHEL6 gives a warn_slowpath message during device attach .............................................................. 17
Switching interrupt types with newer kernels might cause errors ........................................................... 17
Stop fio-snmp-agentx when the IO Accelerator driver is unloaded ........................................................ 17