HP XC System Software Release Notes for Version 3.1
1 New and Changed Features
This chapter describes the new and changed features delivered in HP XC System Software Version
3.1.
1.1 Base Distribution and Kernel
The following table lists information about the base distribution and kernel for this release as
compared to the last HP XC release.
HP XC Version 3.0HP XC Version 3.1
Enterprise Linux 4 Update 2Enterprise Linux 4 Update 3
HP XC kernel version 2.6.9-34.7hp.XC
Based on Red Hat kernel version 2.6.9-22.0.1.ELBased on Red Hat kernel version 2.6.9-34.0.2.EL
1.2 New Hardware Support
Support for the following hardware models and hardware components has been added in this
release:
• InfiniBand Double Data Rate (DDR) adapters and switches. The DDR adapters are supported
on nodes within the CP3000 and CP4000 cluster platform families with PCI Express bus
support. All components in a network must be DDR to achieve DDR performance levels.
• HP Server Blades and related components:
— HP ProLiant BL460c Server Blade (half height)
— HP ProLiant BL465c Server Blade (half height)
— HP ProLiant BL480c Server Blade (full height)
— HP ProLiant BL685c Server Blade (full height)
— C7000 Enclosure Onboard Administrator
• HP ProLiant Hardware Models:
— HP ProLiant DL140 G3
— HP ProLiant DL360 G5
— HP ProLiant DL380 G5
— HP xw8400 workstations
• Modular Cooling System (MCS) devices
Hardware Support Delivered in Patch Kit 1 (PK01)
Support for the HP Integrity rx2660 (dual core Intel Itanium 2 processor) is delivered in PK01.
1.3 Installing HP XC as a Layered Product on Red Hat Linux
You can install this release of the HP XC System Software as a layered product on a standard
Red Hat Enterprise Linux 4 Update 3 operating system. For installation instructions, see the
Layering HP XC on Standard Red Hat Linux HowTo at the following Web site:
http://docs.hp.com/en/highperfcomp.html
1.4 Improved Availability
In this release, an availability infrastructure has been introduced to improve availability of some
services currently associated with the head node as well as NAT, LVS, and Nagios. The availability
1.1 Base Distribution and Kernel 19