HP Scalable Visualization Array Software - Manual (Page 29)

Figure 3-2 Software Hierarchy in the SVA
Visualization
Libraries
(optional)
Applications
X Servers
HP XC Linux
Allocate
Launch
Initialize
Cleanup
SVA
Software
Utilities
OpenGL
Cluster Nodes and Displays
3.6.1 Linux Operating System
The SVA software is layered on top of HP XC System Software Version 3.2, a clustering Linux
distribution compatible with Red Hat Enterprise Linux Advanced Server V4.0 Update 3. The
kernel version is V2.6.9–x.
See Section 3.6.2 .
The windowing system used by Red Hat is the X.Org windowing system.
Table 3-1 summarizes the main operating system components as well as the low-level drivers.
Table 3-1 Operating System and Driver Components
Notes Component
Base Operating System
HP XC Linux is compatible with this version of Red Hat Enterprise
Linux; however, it is built by HP and does not contain all the
components distributed by Red Hat. Red Hat Enterprise Linux Advanced Server
V4.0 Update 3.
www.redhat.com
Clustering software. HP XC System Software Version 3.2.
http://docs.hp.com/en/highperfcomp.html
Official Windowing System of the X.Org Foundation that is also
included as part of the standard Red Hat distribution. X.Org Windowing System.
X.Org Foundation: www.x.org
Low-Level Drivers
Device driver for the graphics cards provided by NVIDIA Corporation.
Qualified by HP WGBU group. Linux driver for the supported NVIDIA
Quadro FX graphics cards.
InfiniBand, GigE, and Myrinet are supported. Driver for selected high-speed interconnect.
3.6.2 HP XC Clustering Software
The SVA runs HP XC System Software Version 3.2 clustering software. The SVA uses HP XC for
the following key system management tasks:
•
Installing and reinstalling a uniform set of software on visualization nodes.
• Booting and shutting down the cluster.
• Managing user accounts and user directories across the cluster.
3.6 SVA Software Summary 29