Front cover AIX 5L on the IBM System i Platform Implementation Guide Discussion of logical partitions on the IBM POWER5 technology-based System i platform Description of new devices and products that are supported Step-by-step installation guide for AIX on the System i platform Michael Gilley Grant Wang Yessong Johng ibm.com/redbooks International Technical Support Organization AIX 5L on the IBM System i Platform: Implementation Guide December 2006 SG24-6455-01 Note: Before using this information and the product it supports, read the information in “Notices” on page v. Second Edition (December 2006) This edition applies to V5R4 of i5/OS and AIX 5L V5.2 and V5.3. © Copyright International Business Machines Corporation 2005. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . .v Trademarks . vi Preface . vii The team that wrote this IBM Redbooks publication . vii Become a published author . viii Comments welcome. ix Chapter 1. Overview of AIX 5L on System i . 1 1.1 Benefits of running AIX 5L on System i. 2 1.1.1 AIX 5L System i and System p compatibility. 2 1.1.2 Application flexibility . 2 1.1.3 System i Virtualization Engine. 2 1.2 Virtual I/O versus direct I/O . 3 1.2.1 Virtual I/O: Hosted AIX 5L partition . 3 1.2.2 Direct I/O: Non-hosted AIX 5L partition. 4 1.2.3 Comparison of virtual I/O and direct I/O . 4 1.2.4 Typical implementation scenarios. 5 1.3 POWER hypervisor . 6 1.4 HMC overview. 8 1.5 Concepts and terminology . 9 1.5.1 Processor concepts . 9 1.6 Readers’ guide to this IBM Redbooks publication. 10 Chapter 2. Planning for AIX 5L on System i . 13 2.1 Virtual I/O scenario . 14 2.2 Direct I/O scenario . 18 2.3 Planning for virtual I/O. 19 2.3.1 AIX 5L Virtual I/O Server (VIOS) overview . 19 2.3.2 Considerations for virtual I/O scenarios . 19 2.3.3 Hardware requirements for a hosted AIX 5L partition. 20 2.4 Planning for direct I/O . 21 2.4.1 Considerations for direct I/O scenarios. 21 2.4.2 Hardware requirements for an AIX 5L logical partition . 21 2.5 Planning for network . 26 2.6 Planning for hybrid: Virtual and direct I/O mixed. 26 2.6.1 All direct I/O except virtual CD/DVD . 27 2.6.2 Direct network adapter and virtual storage . 27 2.6.3 Direct storage and virtual LAN . 27 2.7 Current considerations of AIX 5L on System i . 27 2.7.1 Virtual I/O considerations . 27 2.7.2 Direct I/O considerations. 27 2.7.3 Virtual and direct I/O hybrid considerations . 27 Chapter 3. Partition configuration . 29 3.1 Concepts and terminology . 30 3.2 Verify available resources . 31 3.3 Initial partition settings. 34 3.3.1 Create the logical partition . 34 © Copyright IBM Corp. 2005. All rights reserved. iii 3.4 I/O settings for virtual I/O . 44 3.4.1 Modify existing partition profile . 44 3.4.2 DLPAR process . 46 3.4.3 Virtual I/O definitions in AIX 5L partition profile. 47 3.4.4 Virtual I/O definitions in i5/OS partition profile. 59 Chapter 4. Storage configuration . 69 4.1 Virtual I/O . 70 4.1.1 Network Server Description . 70 4.1.2 Network Server Storage Space. 75 4.1.3 Performance considerations . 77 4.2 Direct I/O . 80 4.2.1 Configuration of Direct I/O disk units. 80 4.2.2 Configuring iSeries disk units for AIX 5L RAID . 82 4.2.3 SCSI disk units under AIX 5L . 83 4.2.4 SCSI disk unit preparation . 84 4.2.5 Using iSeries Disk units with AIX 5L and a Non-RAID SCSI Controller . 89 Chapter 5. Network configuration . 91 5.1 Physical network adapters . 92 5.1.1 AIX 5L physical network adapter allocation . 92 5.2 Virtual network adapters . 93 5.2.1 Adding virtual Ethernet adapter to i5/OS partition. 93 5.2.2 Creating the Ethernet Line Description in i5/OS . 100 5.2.3 Enable datagram forwarding. 103 5.2.4 Proxy ARP . 104 5.2.5 Network Address Translation . 107 5.2.6 Other approaches . 119 Chapter 6. AIX 5L installation . 121 6.1 New virtual CD-ROM installation process . 122 6.1.1 Requirements . ..