iSeries. mySeries.
Architecture
HMC
Service
Processor
Processor
Complex
Main
Storage
I/O
Subsystem
Power Hypervisor
P1 P2 P3 P4
The Service Processor (aka SP)
Once you power on the system ...
The SP turns on the system power
All I/O towers via SPCN
Control panel shows C7xx progress codes
Runs diagnostic routines to verify system processors and system main storage
Verifies that it can communicate with environmental sensors and monitors in the system
Control panel shows 01 and the green power LED is on
The server is in “Hypervisor Standby” mode
9
iSeries. mySeries.
Architecture
The Power Hypervisor
Previously part of the System Licensed Internal Code (SLIC)
Known as “Partition Licensed Internal Code (PLIC)”
PLIC is enhanced to be used with the eServer i5 hardware
Power Hypervisor is independent from any operating system
There is no longer the concept of a “Primary Partition”
There is no longer the need to IPL the whole system to make partitions changes
There is no longer a single point of failure with a “Primary Partition”
Also known as ...
Firmware
Server Firmware
Hypervisor
Power Hypervisor
pHyp
Underware
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