Specifications

Chapter 2. Architecture and technical overview 101
At the time of writing, the HMC must be running V7R7.4.0. It can also support up to 48
Power7 systems. Updates of the machine code, HMC functions, and hardware prerequisites,
can be found on the Fix Central website:
http://www-933.ibm.com/support/fixcentral/
2.12.1 HMC functional overview
The HMC provides three groups of functions:
򐂰 Server
򐂰 Virtualization
򐂰 HMC management
Server management
The first group contains all functions related to the management of the physical servers under
the control of the HMC:
򐂰 System password
򐂰 Status Bar
򐂰 Power On/Off
򐂰 Capacity on Demand
򐂰 Error management
– System indicators
– Error and event collection reporting
– Dump collection reporting
– Call Home
– Customer notification
– Hardware replacement (Guided Repair)
–SNMP events
򐂰 Concurrent Add/Repair/Upgrade
򐂰 Redundant Service Processor
򐂰 Firmware Updates
Virtualization management
The second group contains all of the functions related to virtualization features, such as a
partition configuration or the dynamic reconfiguration of resources:
򐂰 System Plans
򐂰 System Profiles
򐂰 Partitions (create, activate, shutdown)
򐂰 Profiles
򐂰 Partition Mobility
򐂰 DLPAR (processors, memory, I/O, and so on)
򐂰 Custom Groups
7042-CR4 Withdrawn IBM 7042 Model CR4 Rack-mounted Hardware Management Console
7042-CR5 Withdrawn IBM 7042 Model CR5 Rack-mounted Hardware Management Console
7042-CR6 Available IBM 7042 Model CR6 Rack-mounted Hardware Management Console
Note: An HMC is a mandatory requirement for the both the Power7 770 and 780 systems,
but it is possible to share an HMC with other Power systems.
Type-model Availability Description