Lpar Considerations - IBM p5 590 System Handbook

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5.2.2 LPAR considerations

Logical partitioning (LPAR) allows the p5-590 and p5-595 to simultaneously run
multiple operating system instances on a single server. LPAR also allows
allocation of server resources to various client partitions.
IBM Sserver p5 systems introduce an enhanced partitioning model, known as
Micro-Partitioning
microprocessor allocation across client partitions. With this enhanced feature,
1/10th of a POWER5 microprocessor can be allocated to a logical partition as a
minimum, and 1/100 can be assigned above that. This means that a single
POWER5 microprocessor can be shared between ten different logical partitions.
The following list outlines rules when configuring logical partitions in p5-590 and
p5-595 servers.
Logical partition (LPAR) allocation, monitoring, and control is provided by the
Hardware Management Console (HMC)
Each logical partition must support one of the following operating systems:
– AIX 5L Version 5.2 or Version 5.3
– i5/OS V5R3, or later
– SUSE LINUX Enterprise Server 9 for POWER systems, or later
– Red Hat Enterprise Linux AS 3 for POWER (update 4), or later
Each logical partition runs its own instance of a supported operating system
Non-EEH compatible I/O adapters cannot be used in a partitioned
environment.
Component description
Bulk Power Regulators
Power Controller Assemblies
Power Distribution Assemblies
Line Cords
Language Specify
. This feature allows for finer granularity of POWER5
Feature code (FC)
FC 6186
FC 7803
FC 7837
FC 86xx
Refer to your Sales Manual for
specific line cord feature code
options
FC 9xxx
Refer to your Sales Manual for
specific language feature code
options
Chapter 5. Configuration tools and rules
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