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IBM System p5 550 and 550Q Technical Overview and Introduction
2.12.5 Integrated Virtualization Manager
In order to ease virtualization technology adoption in any IBM System p5 environment, IBM
has developed Integrated Virtualization Manager (IVM), a simplified hardware management
solution that inherits some HMC features, thus avoiding the necessity of a dedicated control
workstation. This solution enables the administrator to reduce system setup time. IVM is
targeted at small and medium systems.
IVM supports up to the maximum 16-core configuration. The IVM provides a management
model for a single system. Although it does not provide the full flexibility of an HMC, it enables
the exploitation of the IBM Virtualization Engine™ technology. IVM is an enhancement of
Virtual I/O Server offered as part of Virtual I/O Server Version 1.2 and follow on versions (the
product that enables I/O virtualization in POWER5 and systems). It provides the
same Virtual I/O Server features plus a Web-based graphical interface that enables the
administrator to remotely manage the System p5 server with an Internet browser.
IVM can be used to complete the following tasks:
Create and manage logical partitions.
Configure the virtual Ethernet networks.
Manage storage in the Virtual I/O Server.
Create and manage user accounts.
Create and manage serviceable events through Service Focal Point.
Download and install updates to device microcode and to Virtual I/O Server software.
Back up and restore logical partition configuration information.
View application logs and the device inventory.
The requirements for an IVM managed server are as follows:
A server managed by IVM cannot be simultaneously managed by an HMC.
IVM (with Virtual I/O Server) must be installed as the first operating system.
An IVM partition requires a minimum of one virtual processor and 512 MB of RAM.
Virtual I/O Server Version 1.3 introduced enhancements to IVM, which include support for
Dynamic Logical Partitioning (DLPAR) for memory and processors in managed partitions.
Additionally, a number of usability enhancements include support through the browser based
interface for IP configuration of the Virtual I/O Server:
DLPAR Support for memory and processors in managed partitions
GUI Support for System Plan management, including the Logical Partition (LPAR)
Deployment Wizard
Web UI Support for:
– IP configuration support
– Task Manager for long-running tasks
– Various usability enhancements, including the ability to create a new partition based on
an existing one.
The major considerations of IVM in comparison to an HMC-managed system are as follows:
All physical adapters are owned by IVM, and LPARs use virtual devices only.
There is only one profile per partition.
A maximum of four virtual Ethernet networks are available inside the system.
Each LPAR can have a maximum of one Virtual SCSI adapter assigned.
IVM supports a single Virtual I/O Server to support all your mission critical production
needs.
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