Chapter 2. Architectural and technical overview
101
2.13 Hardware Management Console (HMC)
The Hardware Management Console (HMC) is a dedicated workstation that provides a
graphical user interface for configuring, operating, and performing basic system tasks for
POWER6 processor-based (as well as POWER5 and processor-based) systems
that function in either non-partitioned, partitioned, or clustered environments. In addition the
HMC is used to configure and manage partitions. One HMC is capable of controlling multiple
POWER5, , and POWER6 processor-based systems.
The HMC 7042 Model C06 is a deskside model with one integrated 10/100/1000 Mbps
Ethernet port, and two additional PCI slots.
The HMC 7042 Model CR4 is a 1U, 19-inch rack-mountable drawer that has two native
10/100/1000 Mbps Ethernet ports and two additional PCI slots.
At the time of writing, one HMC supports up to 48 POWER5, and POWER6
processor-based systems and up to 254 LPARs using the HMC machine code Version 7.3.
For updates of the machine code and HMC functions and hardware prerequisites, refer to the
following Web site:
https://www14.software.ibm.com/webapp/set2/sas/f/hmc/home.html
The 595 server requires Ethernet connectivity between the HMC and the bulk power hub
(BPH) as shown in Figure 2-45.
Figure 2-45 HMC connections to the 595 server
Note:
When you order the IBM 2-Port 10/100/1000 Base-TX Ethernet PCI-X Adapter (FC
5767, or the older adapter FC 5706 if existing), consider ordering the HMC to provide
additional physical Ethernet connections.
Powered I/O Rack (optional)
System (CEC) Rack
Bulk Power Hub (B side, rear)
Primary
HMC
Redundant
HMC
J01
J01
J01
Bulk Power Hub (B side, rear)
Bulk Power Hub (A side, front))
Bulk Power Hub (A side, front)
J01
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Powered I/O Rack (optional)
System (CEC) Rack
Bulk Power Hub (B side, rear)
Primary
HMC
Redundant
HMC
J01
J01
J01
Bulk Power Hub (B side, rear)
Bulk Power Hub (A side, front))
Bulk Power Hub (A side, front)
J01
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Summary of Contents for Power 595
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