HP Integrity Virtual Machines Installation, Configuration, and Administration
9.5 Guest Configuration Files..............................................................................................................120
9.6 Dynamic Memory..........................................................................................................................120
9.6.1 Managing Dynamic Memory from the VM Host..................................................................120
9.6.1.1 Viewing Dynamic Memory on the VM Host................................................................121
9.6.1.2 Dynamic Memory Characteristics.................................................................................121
9.6.1.3 Modifying Guest Memory on the VM Host..................................................................122
9.6.2 Managing Dynamic Memory from the Guest.......................................................................124
9.6.3 Troubleshooting Dynamic Memory Problems......................................................................125
9.6.3.1 Dynamic Memory Restrictions......................................................................................125
9.6.3.2 VM Host Performance Considerations.........................................................................125
9.6.3.3 Guest Performance Considerations...............................................................................126
9.6.3.4 Specify Sufficient Guest Memory..................................................................................126
9.6.3.5 Actual Memory Allocations May Differ........................................................................126
9.6.3.6 Enable Dynamic Memory on the Guest and on the VM Host......................................127
9.6.3.7 Upgrade the Guest Kit When Upgrading Integrity VM...............................................127
9.7 Integrity VM Log Files...................................................................................................................128
9.8 Managing the Device Database.....................................................................................................128
9.8.1 The Device Database File.......................................................................................................128
9.8.2 Using the hpvmdevmgmt Command...................................................................................128
9.8.2.1 Sharing Devices.............................................................................................................129
9.8.2.2 Replacing Devices.........................................................................................................130
9.8.2.3 Deleting Devices............................................................................................................130
9.8.2.4 Restricting VM Host Devices........................................................................................130
10 Migrating Virtual Machines....................................................................................131
10.1 Introduction to Virtual Machine Migration.................................................................................131
10.2 Migration Guests from VM Host to VM Host.............................................................................132
10.2.1 Using the hpvmmigrate Command.....................................................................................132
10.2.2 Example of the hpvmmigrate Command............................................................................133
10.3 Network and Storage Migration Considerations........................................................................134
10.3.1 Network Configuration Considerations..............................................................................134
10.3.2 Storage Configuration Considerations................................................................................134
10.3.3 Security Considerations.......................................................................................................134
10.3.3.1 SSH Key Setup.............................................................................................................135
10.3.3.2 SSH Key Setup Troubleshooting.................................................................................135
10.4 Migrating Guests from Physical to Virtual Machines.................................................................135
10.4.1 Requirements for Migrating a Workload............................................................................135
10.4.2 Using the p2vassist Utility...................................................................................................136
10.4.3 Troubleshooting P2V Problems...........................................................................................139
11 Using HP Serviceguard with Integrity VM.............................................................141
11.1 Introduction to HP Serviceguard with Integrity VM..................................................................141
11.2 Serviceguard in Guest Configurations........................................................................................142
11.2.1 Cluster in a Box....................................................................................................................143
11.2.2 Virtual/Virtual Cluster.........................................................................................................143
11.2.3 Virtual/Physical Cluster.......................................................................................................144
11.2.4 Configuring Serviceguard in Guests...................................................................................144
11.3 Serviceguard in VM Host Configuration....................................................................................145
11.3.1 Configuring the Integrity VM Multiserver Environment...................................................146
11.3.2 Creating Guests as Packages...............................................................................................147
11.3.3 Modifying the Package Configuration Files........................................................................149
11.3.4 Starting the Distributed Guest.............................................................................................149
11.3.5 Starting the Vswitch Monitor..............................................................................................150
6 Table of Contents