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378 Logical Partitions on System i5
13.1 Introduction to Virtual Partition Manager for eServer
System i5 systems
With the recently announced System i5 processor based eServer i5 systems, IBM is
delivering the 3
rd
generation of logical partitioning for the iSeries family of servers. The new
partitioning capabilities enable customers to further simplify their infrastructures.
The IBM Virtualization Engine™, which provides support for logical partitioning and resource
virtualization through i5/OS, is included with eServer System i5 systems.
The Virtual Partition Manager (VPM) introduces the capability to create and manage Linux
partitions without the use of the Hardware Management Console (HMC). The Virtual Partition
Manager supports the needs of small and medium customers that want to add simple Linux
workloads to their eServer System i5 system.
The Virtual Partition Manager supports environments with one i5/OS partition and up to four
Linux partitions. In addition, the single i5/OS partition must own and manage all of the I/O
resources.
This document is intended to assist IBM Business Partners and clients that are planning to
deploy Linux partitions on eServer System i5 systems using the Virtual Partition Manager.
The HMC remains the premier management tool for logical partitioning on the eServer
System i5 system. It is required to support more robust configurations: multiple i5/OS
partitions, AIX 5L partitions, flexible hardware resource assignments, and dynamic resource
movement.
The key differences between the Virtual Partition Manager and the HMC are highlighted in
Table 13-1.
Table 13-1 Differences between VPM and HMC
This document is intended to assist users that are planning to deploy Linux partitions on
eServer System i5 systems using the Virtual Partition Manager.
Virtual Partition Manager Hardware Management
Console
Operating systems supported i5/OS and Linux i5/OS, Linux and AIX 5L
Maximum number of partitions 5(1 i5/OS and 4 Linux) 254
Uncapped partition support Yes Yes
Dynamic resource movement No Yes
I/O support for Linux Virtual Virtual and Direct
Maximum # of Virtual Ethernet connections 4 4096
Maximum virtual disk per partition 64 TB 64 TB
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