IBM PowerVM Virtualization Introduction and Configuration

1 PowerVM VirtualizationIntroduction and ConfigurationMel CorderoL cio CorreiaHai LinVamshikrishna ThatikondaRodrigo XavierUnderstand PowerVM features and capabilitiesPlan, implement, and set up PowerVM virtualizationUpdated to include new POWER7 technologiesFront coverIBM PowerVM Virtualization Introduction and ConfigurationJune 2013 International Technical Support OrganizationSG24-7940-05 Copyright International Business Machines Corporation 2004, 2013. All rights to Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADPS chedule Contract with IBM Edition (June 2013)This edition applies to:Version 7, Release 1 of AIXV ersion 7, Release 1 of IBM iVersion 2, Release 2, Modification 2, Fixpack 26 of the Virtual I/O ServerVersion 7, Release 7, Modification 6 of the HMCV ersion AL730, release 95 of the POWER7 System FirmwareVersion AL740, release 95 of the POWER7 System FirmwareNote.

2 Before using this information and the product it supports, read the information in Notices on page xxi. Copyright IBM Corp. 2004, 2013. All rights .. xiTa ble s .. xixNotices .. xxiTrademarks .. xxiiPreface .. xxiiiAuthors .. xxiiiNow you can become a published author, too! .. xxviComments welcome .. xxviStay connected to IBM Redbooks ..xxviiSummary of changes.. xxixJune 2013, Sixth Edition.. xxixPart 1. Overview .. 1 Chapter 1. PowerVM technologies.. The value of PowerVM .. What is PowerVM .. New PowerVM features .. PowerVM editions .. Activating the PowerVM feature.

3 The POWER Hypervisor .. Logical partitioning technologies .. Dedicated LPAR .. Dynamic LPAR .. Micro-partitioning.. 18 Chapter 2. Processor Virtualization overview.. Micro-partitioning .. Shared-Processor Pools .. Multiple Shared-Processor Pools .. Shared dedicated capacity .. 23 Chapter 3. Memory Virtualization overview .. Active Memory Sharing overview .. Active Memory deduplication .. Active Memory Expansion overview .. 29iv IBM PowerVM Virtualization Introduction and Active Memory Mirroring overview .. Memory Virtualization technologies comparison.

4 33 Chapter 4. I/O Virtualization overview.. Virtual I/O Server overview .. Supported platforms .. Virtual storage mapping .. Virtual I/O Server network security .. Command line and cfgassist interface .. Hardware Management Console integration.. System Planning Tool support .. Integrated Virtualization Manager .. Tivoli support .. Allowed third party applications.. Performance Toolbox support .. Virtual I/O Server Performance advisor .. Storage Virtualization overview .. Virtual SCSI.. Virtual Fibre Channel .. Virtual Optical.

5 Virtual Tape .. Virtual Console (virtual TTY/console support).. Availability .. Shared storage pools .. Network Virtualization overview .. Virtual Ethernet .. Virtual Ethernet adapter .. Virtual LAN .. Virtual switches .. Shared Ethernet Adapter .. Platform consideration for I/O Virtualization .. I/O Virtualization consideration for IBM i .. I/O Virtualization consideration for Linux .. 74 Chapter 5. Server Virtualization overview.. Live Partition Mobility overview .. Partition Suspend and Resume overview .. 82 Chapter 6.

6 Management console overview.. Management console comparison .. Hardware Management Console.. Integrated Virtualization Manager .. System Director VMControl .. 88 Contents vPart 2. Plan .. 91 Chapter 7. PowerVM considerations.. System requirements .. Hardware requirements.. Licensing requirements .. Operating system requirements .. Availability planning for PowerVM .. Redundant Virtual I/O Servers .. Live Partition Mobility .. PowerVM with PowerHA .. Security planning for PowerVM .. Management Console considerations.

7 Hardware Management Console (HMC) .. Integrated Virtualization Manager (IVM) .. IBM System Director VMControl .. 108 Chapter 8. Processor Virtualization planning.. Micro-partitioning capacity planning .. Processing units of capacity .. Capped and uncapped mode .. Virtual processors .. Shared processor considerations .. Shared-Processor Pools capacity planning.. Capacity attributes .. The default Shared-Processor Pool (SPP0) .. Server load and capacity examples .. Shared-Processor Pools scenarios .. Software license in a virtualized environment.

8 Licensing factors in a virtualized system .. Capacity capping.. System with Capacity Upgrade on Demand processors .. Summary of licensing factors .. IBM software .. Software licensing on IBM i .. Linux operating system licensing .. 141 Chapter 9. Memory Virtualization planning.. Active Memory Sharing planning.. Active Memory Sharing prerequisites .. Deployment considerations .. Sizing Active Memory Sharing .. Usage examples .. Active Memory deduplication planning .. 157vi IBM PowerVM Virtualization Introduction and Checking the requirements for Active Memory deduplication .

9 Sizing your systems for Active Memory deduplication .. 165 Chapter 10. I/O Virtualization planning .. Virtual I/O Server planning .. Specifications required to create the Virtual I/O Server .. Redundancy considerations .. Storage Virtualization planning .. Virtual SCSI.. Virtual Fibre Channel .. Redundancy configurations for virtual Fibre Channel adapters .. Virtual SCSI and Virtual Fibre Channel comparison .. Virtual optical devices .. Virtual tape devices .. Availability planning for virtual storage .. AIX LVM mirroring in the client partition.

10 IBM i mirroring in the client partition .. Linux mirroring in the client partition .. Supported AIX client configurations .. Supported virtual SCSI configurations .. Shared storage pools .. Network Virtualization planning .. Virtual Ethernet .. Virtual LAN .. Virtual switches .. Shared Ethernet Adapter .. Availability .. Using Link Aggregation on the Virtual I/O Server .. QoS .. Performance considerations .. 255 Chapter 11. Server Virtualization planning.. Dynamic LPAR operations and dynamic resources planning.