HP IO Accelerator Driver and Management Software Version 3.2.3 Release Notes

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Contents 4

Forced detach sometimes required for Virtual Controller devices .......................................................... 22

IO Accelerator VSL software not loading or attaching devices after install ............................................. 22

Linux-specific issues ................................................................................................................................. 23

Software not installed post kernel update .......................................................................................... 23

Compiler Cache (ccache) causes IO Accelerator VSL software src.rpm rebuild failures on some distributions

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Rare error on driver unload using kernels older than 2.6.24 ............................................................... 23

ext4 in Kernel.org 2.6.33 or earlier might silently corrupt data when discard (trim) is enabled ................ 23

Kernels 2.6.34/35 don't handle switching interrupt types ................................................................... 24

RHEL6 udevd warning .................................................................................................................... 24

RHEL6 gives a warn_slowpath message during device attach .............................................................. 24

Switching interrupt types with newer kernels might cause errors ........................................................... 25

kdump crashkernel requires additional memory for the IO Accelerator.................................................. 25

Do not use an IO Accelerator device as a kdump target ..................................................................... 25

VMware-specific issues ............................................................................................................................ 25

Hypervisors cannot directly use devices with capacities greater than 2 TB ............................................. 25

ESXI 5.0 Update 1 firmware upgrade .............................................................................................. 25

Using VMDirectPathIO with multiple-device products .......................................................................... 26

ESXi 5.0 injected installer allows installation on an IO Accelerator device ............................................ 26

The IO Accelerator driver cannot be installed as part of an ESXi 4.1 installation .................................... 26

vCenter cannot manage extents on IO Accelerator devices ................................................................. 26

Solaris-specific issues ............................................................................................................................... 26

Provide adequate RAM .................................................................................................................. 26

Acronyms and abbreviations ........................................................................................................ 27

Documentation feedback ............................................................................................................. 29