290 IBM eX5 Implementation Guide
Consider these useful tips:
The Dual-port Emulex 10GbE NIC driver is not included on the Windows Server 2008 DVD
and must be downloaded separately (or use ServerGuide instead).
You must ensure that the Flow Control is enabled under network adapter properties after
upgrading the network device driver. When Flow Control is enabled, it allows the receipt or
transmission of PAUSE frames. PAUSE frames enable the adapter and the switch to
control the transmission rate.
If installing Windows 2008 R2 Enterprise Edition on an 8-socket system, Hyper-Threading
must be turned off prior to installation or the systems will show a blue screen.
To correct an issue with the GPT disks, Windows 2008 R2 requires the Microsoft Hotfix
that can be found at the following website:
http://support.microsoft.com/kb/975535
The default installation media installs the OS in UEFI mode unless Legacy Only is the first
entry in the boot order.
In 2-node configurations, edit the Windows Boot Configuration Data (BCD) Store to enable
the High Precision Event Timer (HPET). For more information, see the following website:
http://ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5084072
The system can re-enumerate the boot drive when fibre devices are hooked up. This
action will cause the OS to fail to boot properly. Use Windows Boot Manager from the
UEFI Boot Manager to fix this problem.
If your system has one TB or more of memory installed, it is a requirement to apply the
Microsoft Hotfix that is available at the following website:
http://support.microsoft.com/kb/980598
You must update with the latest BroadCom Ethernet device driver when your system has
64 or more processors (cores).
You must set the MAX5 memory configuration in UEFI to Non-pooled mode.
If your system has greater than 128 GB of memory and you plan to enable Hyper-V after
installing Windows 2008 R2, you must first apply the Microsoft Hotfix that is available at
the following website:
http://support.microsoft.com/kb/979903/en-us
The recommendation is to review all Retain Tips related to this system and the OS that
you are installing. See the following website:
http://ibm.com/support/entry/portal/Problem_resolution/Hardware/Systems/System_
x/System_x3850_X5
For further tuning information, see Performance Tuning Guidelines for Windows Server
2008 R2 at the following website:
http://www.microsoft.com/whdc/system/sysperf/Perf_tun_srv-R2.mspx
VMware ESX and ESXi
This section provides useful information to assist with the installation of VMware ESX and
VMware ESXi. The installation process has not be covered in this IBM Redbooks publication,
because there are no particular deviations from a standard VMware installation. You can
obtain a complete list of supported VMware Server OSs for x3850 X5 at this website:
http://ibm.com/systems/info/x86servers/serverproven/compat/us/nos/vmware.html
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