Silicon Graphics Altix ICE 8000 Series, Краткое руководство пользователя

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Scali Manage TM On SGI
®
Altix
®
ICE System Quick Reference Guide
• "InfiniBand Fabric" on page 21
Networks Overview
This section describes the various network connections in the SGI Altix ICE 8000
series system. Users access the system via a public network through services nodes
such as the login node and the batch service node, as shown in Figure 1-4 on page 14.
A single service node can provide both login and batch services.
System administrators provision (install software) and manage the Altix ICE system
via the logical VLAN network running over the GigE connection (see Figure 1-6 on
page 18, Figure 1-7 on page 19, and Figure 1-8 on page 20). The admin node is on the
house network (public network) and you access it directly.
The leader node is connected to blades in its rack via the GigE VLAN. It is connected
to all blades and service nodes via InfiniBand fabric. Leader nodes have access to
compute nodes in other racks via the leader node in that rack.
The gateway service node is the gateway from the InfiniBand fabric to services on the
public network, such as, storage, lightweight directory access protocol (LDAP)
services, file transfer protocol (FTP). Typically, it is combined with the login/batch
service node.
The admin node and service nodes communicate with the leader node over a GigE
fabric that has logically separate, virtual local area networks (VLANs). This GigE
fabric is embedded in the backplane of each IRU. This GigE fabric electrically
connects much of the Altix ICE system (see Figure 1-4 on page 14).
Users access compute nodes strictly from the service nodes. Jobs are started on
compute nodes using commands on the service node, such as, the OpenSSH client
remote login program
ssh
(1), or the Scali Manage GUI invoked with the following
command:
/opt/scali/bin/scalimanage-gui
.
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