Chapter 6. IBM System x3850 X5 and x3950 X5 291
The following websites contain additional OS installation guides:
Installing VMware ESX Server 4.1 - IBM System x3850 X5 (7145):
http://ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5086213
Installing VMware ESXi Server 4.1 Installable - IBM System x3850 X5 (7145):
http://ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5086214
Consider these useful tips:
VMware 4.0 U1 is the minimum supported OS level for a single-node x3850X5.
The addition of a MAX5 or a second node requires at least VMware 4.1.
Neither the included Emulex 10GbE NIC or the Emulex VFA, nor the Qlogic CNA driver, is
included in VMWare ESX 4.0 U1. Download the drivers from VMWare’s site:
http://downloads.vmware.com/d/info/datacenter_downloads/vmware_vsphere_4/4#driv
ers_tools
VMware 4.x does not include the driver for the Intel PRO/1000 Ethernet Adapter.
Download the drivers from the VMware site:
http://downloads.vmware.com/d/info/datacenter_downloads/vmware_vsphere_4/4#driv
ers_tools
For a 2-node configuration or x3850 X5 with MAX5, you need to edit your grub.conf file
with the following line:
allowInterleavedNUMAnodes=TRUE
For more information, see “Installing the ESX/ESXi 4.1 Installable edition onto x3850 X5
with MAX5” on page 275.
ESX 4.1 generates a warning with 1 TB RAM, because 1 TB RAM is the maximum RAM
for an ESX 4.1 host. For more information, see the Configuration Maximums for VMware
vSphere 4.1 at the following website:
http://www.vmware.com/pdf/vsphere4/r41/vsp_41_config_max.pdf
ESX requires the amount of memory per CPU and per node to be balanced or it does not
start. For more information, go to the following website:
http://ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5069570
ESX requires the MAX5 memory configuration in UEFI to be in Non-pooled mode.
The recommendation is that you 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 VMware vCenter Server Performance and Best
Practices for vSphere 4.1 at the following website:
http://www.vmware.com/resources/techresources/10145
Red Hat Enterprise Linux
This section provides useful information to assist with the installation of Red Hat Enterprise
Linux (RHEL). The installation process has not been covered in this IBM Redbooks
publication, because there are no particular deviations from a standard RHEL installation. You
can obtain a complete list of supported RHEL versions for x3850 X5 at the IBM ServerProven
page:
http://ibm.com/systems/info/x86servers/serverproven/compat/us/nos/redchat.html
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