System i and System p Using the Virtual I/O Server System i and System p Using the Virtual I/O Server Note Before using this information and the product it supports, read the information in “Notices” on page 179 and the IBM Systems Safety Information manual, G229-9054. Ninth Edition (September 2007) This edition applies to IBM Virtual I/O Server version 1.4 and to all subsequent releases until otherwise indicated in new editions. © Copyright International Business Machines Corporation 2004, 2007. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents About this topic ................................vii Using the Virtual I/O Server ...........................1 What’s new for Using the Virtual I/O Server ........................1 Virtual I/O Server overview ..............................2 Concepts for the Virtual I/O Server............................4 Concepts for Virtual SCSI ..............................4 Virtual I/O Server storage subsystem overview......................5 Concepts for physical storage............................5 Physical volumes ...............................5 Logical volumes ...............................6 Optical devices ...............................10 Concepts for virtual storage ............................10 Disk ...................................10 Optical ..................................11 Concepts for mapping devices ...........................12 Concepts for virtual networking ...........................12 Virtual Ethernet adapters .............................12 Virtual local area networks (VLAN) .........................12 Shared Ethernet Adapters ............................13 Host Ethernet Adapter..............................14 Link Aggregation or EtherChannel devices .......................16 Virtual I/O Server management ...........................17 Integrated Virtualization Manager ..........................17 Virtual I/O Server command-line interface .......................18 System plan overview for the HMC .........................20 User types for the Virtual I/O Server .........................27 IBM Tivoli agents and clients on the Virtual I/O Server ..................28 Planning for the Virtual I/O Server ...........................29 Planning for Virtual I/O Server using system plans .....................29 Creating a system plan by using HMC Version 7 .....................31 Creating a system plan by using the Integrated Virtualization Manager .............33 Specifications ..................................34 Limitations and restrictions .............................34 Capacity planning ................................35 Planning for Shared Ethernet Adapters ........................35 Network requirements.............................36 Adapter selection ..............................37 Processor allocation..............................39 Memory allocation ..............................41 Planning for Virtual SCSI .............................42 Virtual SCSI latency .............................42 Virtual SCSI bandwidth ............................42 Virtual SCSI sizing considerations .........................43 Redundancy considerations .............................45 Client logical partitions .............................45 Multipath I/O ...............................45 Mirroring for client logical partitions ........................46 High Availability Cluster Multi-Processing ......................46 Link Aggregation or EtherChannel devices ......................47 Shared Ethernet Adapter failover .........................48 Virtual I/O Server partition ............................49 Multipathing ................................49 RAID ..................................49 Link Aggregation or EtherChannel devices ......................49 © Copyright IBM Corp. 2004, 2007 iii Security considerations ..............................50 Installing the Virtual I/O Server ............................50 Installing the Virtual I/O Server by deploying a system plan ..................51 Entering the activation code for Advanced POWER Virtualization using the HMC version 7 ......51 Importing a system plan by using HMC Version 7 ....................52 Deploying a system plan by using HMC Version 7 ....................54 Finishing the Virtual I/O Server installation ......................56 Installing the Virtual I/O Server manually using the HMC version 7 ...............60 Entering the activation code for Advanced POWER Virtualization using the HMC version 7 ......60 Creating the Virtual I/O Server logical partition and partition profile using HMC version 7 ......61 Installing the Virtual I/O Server from the HMC .....................62 Installing the Virtual I/O Server from CD or DVD ....................63 Finishing the Virtual I/O Server installation ......................65 Installing the Virtual I/O Server manually using the HMC version 6 ...............70 Entering the activation code for Advanced POWER Virtualization using the HMC version 6 ......70 Creating the Virtual I/O Server logical partition and partition profile using the HMC version 6 .....70 Installing the Virtual I/O Server from the HMC .....................72 Installing the Virtual I/O Server from CD or DVD ....................73 Finishing the Virtual I/O Server installation ......................75 Configuration scenarios for the Virtual I/O Server ......................80 Scenario: Configuring a Virtual I/O Server without VLAN tagging ................80 Scenario: Configuring a Virtual I/O Server using VLAN tagging ................82 Scenario: Configuring Shared Ethernet Adapter failover ...................84 Scenario: Configuring Network Interface Backup in Virtual I/O clients without VLAN tagging ......87 Scenario: Configuring Multi-Path I/O for AIX client logical partitions ...............89 Securing the Virtual I/O Server.............................92 Introduction to Virtual I/O Server security ........................92 Configuring Virtual I/O Server system security hardening...................93 Setting a security level..............................93 Changing the settings in a security level........................93 Viewing the current security setting .........................94 Removing security level settings ..........................94 Configuring Virtual I/O Server firewall settings ......................94 Managing the Virtual I/O Server ............................95 Managing virtual Ethernet .............................95 Creating a Shared Ethernet Adapter using HMC version 7..................95 Creating a Shared Ethernet Adapter using HMC version 6..................97 Configuring a Shared Ethernet Adapter ........................97 Configuring a Link Aggregation or EtherChannel device ..................99 Changing the network configuration ........................100 Enabling and disabling GVRP ...........................100 Managing SNMP on the Virtual I/O Server ......................101 Network attributes ..............................102 Managing virtual SCSI ..............................110 Identifying exportable disks ...........................111 Creating the virtual target device on the Virtual I/O Server .................112 Creating volume groups and logical volumes on the Virtual I/O Server .............113 Importing or Exporting a Volume Group .......................114 Mapping virtual disks to physical disks .......................114 Increasing virtual SCSI device capacity ........................116 Changing the Virtual SCSI queue depth .......................117 Virtual SCSI reserve and release requirements .....................117 Managing users on the Virtual I/O Server ........................118 Configuring the IBM Tivoli agents and clients on the Virtual I/O Server..............119 Configuring the IBM Tivoli Monitoring agent......................119 Configuring the IBM Tivoli Usage and Accounting Manager agent ..............121 Configuring the IBM Tivoli Storage Manager client ....................123 Configuration attributes for IBM Tivoli agents and clients .................124 Configuring the Virtual I/O Server as an LDAP client....................126 Maintaining the Virtual I/O Server ..........................127 Subscribing to the Virtual I/O Server subscription service .................127 iv System i and System p: Using the Virtual I/O Server Updating the Virtual I/O Server ..........................127 Backing up the Virtual I/O Server .........................128 Backing up the Virtual I/O Server to tape ......................129 Backing up the Virtual I/O Server to one or more DVDs .................130 Backing up the Virtual I/O Server to a remote file system by creating a nim_resources.tar file ....131 Backing up the Virtual I/O Server to a remote file system by creating a mksysb image.......132 Backing up user-defined virtual devices ......................133 Scheduling backups of the Virtual I/O Server ....................135 Backing up the Virtual I/O Server using IBM Tivoli Storage Manager ............136 Restoring the Virtual I/O Server ..........................138 Restoring the Virtual I/O Server from tape .....................139 Restoring the Virtual I/O Server from one or more DVDs ................140 Restoring the Virtual I/O Server from the HMC using a nim_resources.tar file .........140 Restoring the Virtual I/O Server from a NIM server using a mksysb file ...........141 Restoring user-defined virtual devices .......................143 Restoring the Virtual I/O