VMware VCENTER SERVER 4.0 - GETTING STARTED UPDATE 1 Specifications Page 119
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EVC cannot prevent virtual machines from accessing hidden CPU features in all circumstances. Applications
that do not follow CPU vendor recommended methods of feature detection might behave unexpectedly in an
EVC environment. VMware EVC cannot be supported with ill-behaved applications that do not follow the
CPU vendor recommendations. For more information about creating well-behaved applications, search the
VMware Knowledge Base for the article Detecting and Using New Features in CPUs.
EVC Requirements
Hosts in an EVC cluster must meet certain requirements.
To enable EVC on a cluster, the cluster must meet the following requirements:
n
All virtual machines in the cluster that are running on hosts with a feature set greater than the EVC mode
you intend to enable must be powered off or migrated out of the cluster before EVC is enabled.
n
All hosts in the cluster must have CPUs from a single vendor, either AMD or Intel.
n
All hosts in the cluster must be running ESX/ESXi 3.5 Update 2 or later.
n
All hosts in the cluster must be connected to the vCenter Server system.
n
All hosts in the cluster must have advanced CPU features, such as hardware virtualization support (AMD-
V or Intel VT) and AMD No eXecute (NX) or Intel eXecute Disable (XD), enabled in the BIOS if they are
available.
n
All hosts in the cluster must have supported CPUs for the EVC mode you want to enable. Table 12-1 lists
the processor families supported for each EVC mode. To check EVC support for a specific processor or
server model, see the VMware Compatibility Guide at
http://www.vmware.com/resources/compatibility/search.php.
Any host added to an existing EVC-enabled cluster must also meet the requirements
NOTE Hardware vendors sometimes disable particular CPU features in the BIOS by default. This can cause
problems in enabling EVC, because the EVC compatibility checks detect the absence of features that are
expected to be present for a particular CPU. If you cannot enable EVC on a system with a compatible processor,
ensure that all features are enabled in the BIOS.
Table 12-1 lists the processors supported in EVC Clusters.
Table 12-1. Processors Supported in EVC Clusters
Vendor EVC Mode Processors Supported
AMD AMD Opteron Generation 1 ("Rev. E") AMD Opteron Generation 1
AMD Opteron Generation 2
AMD Opteron Generation 3
AMD Opteron Generation 2 ("Rev. F") AMD Opteron Generation 2
AMD Opteron Generation 3
AMD Opteron Generation 3
("Greyhound")
AMD Opteron Generation 3
AMD Opteron Generation 3 (No
3DNow!) ("Greyhound" without
3DNow! support)
AMD Opteron Generation 3
Intel Intel
®
"Merom" Generation (Xeon
®
Core™2)
Intel Xeon Core 2
Intel Xeon 45nm Core 2
Intel Xeon Core i7
Intel Xeon 32nm Core i7
Chapter 12 Migrating Virtual Machines
VMware, Inc. 119
- Update 1 1
- ESXi 5.0 1
- EN-000775-01 1
- 2 VMware, Inc 2
- Contents 3
- 4 VMware, Inc 4
- VMware, Inc. 5 5
- 6 VMware, Inc 6
- Management 7
- 8 VMware, Inc 8
- Updated Information 9
- 10 VMware, Inc 10
- Virtualization Basics 11
- 12 VMware, Inc 12
- VMware, Inc. 13 13
- 14 VMware, Inc 14
- VMware, Inc. 15 15
- 16 VMware, Inc 16
- VMware, Inc. 17 17
- 18 VMware, Inc 18
- VMware, Inc 19
- 20 VMware, Inc 20
- VMware, Inc. 21 21
- 22 VMware, Inc 22
- Using the vSphere Client 3 23
- Panel Sections 24
- View Virtual Machine Console 25
- Using Lists 26
- Custom Attributes 27
- Select Objects 28
- Install Plug-Ins 29
- Disable and Enable Plug-Ins 29
- Remove Plug-Ins 29
- Save vSphere Client Data 30
- Working with Active Sessions 30
- VMware, Inc. 31 31
- 32 VMware, Inc 32
- Host Configuration 33
- Configuring vCenter Server 33
- 34 VMware, Inc 34
- VMware, Inc. 35 35
- 36 VMware, Inc 36
- Configure Runtime Settings 37
- 38 VMware, Inc 38
- Configure SNMP Settings 39
- View Ports Settings 39
- Configure Timeout Settings 40
- Configure Logging Options 40
- VMware, Inc. 41 41
- Configure SSL Settings 42
- Configure Advanced Settings 42
- VMware, Inc. 43 43
- 44 VMware, Inc 44
- VMware, Inc. 45 45
- 46 VMware, Inc 46
- Appliance 47
- 48 VMware, Inc 48
- VMware, Inc. 49 49
- 50 VMware, Inc 50
- 52 VMware, Inc 52
- VMware, Inc. 53 53
- 54 VMware, Inc 54
- VMware, Inc. 55 55
- 56 VMware, Inc 56
- Organizing Your Inventory 6 57
- Create Datacenters 58
- Add Hosts 58
- Create Clusters 59
- Create Resource Pools 60
- Create Datastores 61
- Create Host-Wide Networks 62
- VMware, Inc. 63 63
- 64 VMware, Inc 64
- Add a Distributed Port Group 65
- 66 VMware, Inc 66
- 68 VMware, Inc 68
- Licensing for ESXi 5.0 Hosts 69
- 70 VMware, Inc 70
- Calculating the vRAM Usage 71
- Compliance Rules 71
- Solution Licensing 72
- Example: Standalone Scenario 73
- About the License Portal 74
- Managing Licenses 75
- View License Information 76
- VMware, Inc. 77 77
- Export License Information 78
- VMware, Inc. 79 79
- 80 VMware, Inc 80
- Viewing License Use 81
- 82 VMware, Inc 82
- VMware, Inc. 83 83
- Details for a License Key 84
- Export a License Use Report 85
- 86 VMware, Inc 86
- VMware, Inc. 87 87
- 88 VMware, Inc 88
- System Log Files 8 89
- External System Logs 90
- Export System Log Files 90
- Chapter 8 System Log Files 91
- VMware, Inc. 91 91
- Collecting Log Files 92
- Collect vSphere Log Files 93
- Collect ESXi Log Files 93
- ESXi VMkernel Files 93
- 94 VMware, Inc 94
- Managing Tasks 95
- View Recent Tasks 96
- View Scheduled Tasks 96
- Cancel a Task 97
- Schedule Tasks 97
- Create a Scheduled Task 98
- Canceling Scheduled Tasks 99
- Change or Reschedule a Task 100
- Remove a Scheduled Task 100
- Managing Events 101
- Filter the Events List 102
- Export Events Data 103
- Trigger and Alarm on an Event 103
- Report Errors to VMware 104
- Components 10 105
- Starting vCenter Server 106
- Disconnect a Managed Host 107
- Remove a Host from a Cluster 108
- VMware, Inc. 109 109
- 110 VMware, Inc 110
- Migrating Virtual Machines 12 111
- Cold Migration 112
- Migration with vMotion 113
- 114 VMware, Inc 114
- VMware, Inc. 115 115
- 116 VMware, Inc 116
- CPU Compatibility and EVC 117
- CPU Families and Feature Sets 118
- EVC Requirements 119
- Create an EVC Cluster 120
- VMware, Inc. 121 121
- 122 VMware, Inc 122
- CPU Compatibility Masks 123
- 124 VMware, Inc 124
- VMware, Inc. 125 125
- 126 VMware, Inc 126
- VMware, Inc. 127 127
- 4 Select a disk format 128
- VMware, Inc. 129 129
- 130 VMware, Inc 130
- VMware, Inc. 131 131
- 132 VMware, Inc 132
- Storage vMotion Examples 133
- Network Limits 134
- Datastore Limits 134
- Host Limits 135
- 136 VMware, Inc 136
- Using vCenter Maps 13 137
- Map Icons 138
- View vCenter Maps 139
- Print vCenter Maps 140
- Export vCenter Maps 140
- Numerics 141
- 142 VMware, Inc 142
- VMware, Inc. 143 143
- 144 VMware, Inc 144
- VMware, Inc. 145 145
- 146 VMware, Inc 146
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