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nPartition Administrator's Guide > Chapter 4 Using Management Interfaces and Tools

Overview of nPartition Service Processor (MP or GSP) Interfaces


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The service processor (MP or GSP) utility hardware is an independent support system for cell-based servers. It provides a way for you to connect to a server complex and perform administration or monitoring tasks for the server hardware and its nPartitions.

The main features of the service processor include:

  • Command Menu

  • nPartition Consoles

  • Console Logs

  • Chassis Code Viewer (on HP 9000 servers with HP PA-8700 processors) or Event Log Viewer (on servers based on the HP sx1000 chipset or HP sx2000 chipset)

  • Virtual Front Panels (live displays of nPartition and cell states)

These features are described in more detail in “Service Processor (MP or GSP) Features”.

The service processor is available when its cabinet has standby power, even if the main (48-volt) cabinet power switch is turned off.

Access to the service processor is restricted by user accounts. Each user account is password protected and provides a specific level of access to the server complex and service processor commands.

Multiple users can independently interact with the service processor because each service processor login session is private. However, some output is mirrored: the Command menu and each nPartition console permit one interactive user at a time and mirror output to all users accessing those features. Likewise, the service processor mirrors live chassis codes to all users accessing the Live Chassis Logs feature (or the Live Events feature).

Up to 32 users can simultaneously login to the service processor through its network (customer LAN) interface and they can independently manage nPartitions or view the server complex hardware states.

Two additional service processor login sessions can be supported by the local and remote serial ports. These allow for serial port terminal access (through the local RS-232 port) and external modem access (through the remote RS-232 port).

In general, the service processor (MP or GSP) on cell-based servers is similar to the service processor on other HP servers, while providing enhanced features necessary for managing a multiple nPartitions.

For example, the service processor manages the complex profile, which defines nPartition configurations as well as complex-wide settings for the server.

The service processor also controls power, reset, and TOC capabilities, displays and records system events (or chassis codes), and can display detailed information about the various internal subsystems.

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