4405ch02 Architecture and technical overview.fm
Draft Document for Review May 28, 2009 1:59 pm
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IBM Power 570 Technical Overview and Introduction
Figure 2-23 HMC to service processor and LPARs network connection
The default mechanism for allocation of the IP addresses for the service processor HMC
ports is dynamic. The HMC can be configured as a DHCP server, providing the IP address at
the time the managed server is powered on. If the service processor of the managed server
does not receive DHCP reply before time-out, predefined IP addresses will setup on both
ports. Static IP address allocation is also an option. You can configure the IP address of the
service processor ports with a static IP address by using the Advanced System Management
Interface (ASMI) menus.
Functions performed by the HMC include:
Creating and maintaining a multiple partition environment
Displaying a virtual operating system session terminal for each partition
Displaying a virtual operator panel of contents for each partition
Note:
The service processor is used to monitor and manage the system hardware
resources and devices. The service processor offers the following connections:
Two Ethernet 10/100 Mbps ports
Both Ethernet ports are only visible to the service processor and can be used to attach
the server to an HMC or to access the Advanced System Management Interface
(ASMI) options from a client web browser, using the http server integrated into the
service processor internal operating system.
Both Ethernet ports have a default IP address
– Service processor Eth0 or HMC1 port is configured as 169.254.2.147 with netmask
255.255.255.0
– Service processor Eth1 or HMC2 port is configured as 169.254.3.147 with netmask
255.255.255.0
More information about the Service Processor can be found in 4.5.1, “Service processor”
on page 116.
