Red Hat NETSCAPE MANAGEMENT SYSTEM 4.5 Manual de usuario Pagina 108
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Running VMware ESX Server
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Using Disk Modes
You can use the Configure VM page of the VMware Management Interface to change
the disk mode for the disks used by your virtual machine.
1. Connect to the server that hosts the virtual machine as a user who has rights to
administer the virtual machine. The virtual machine should be powered off.
2. Move your mouse pointer over the terminal icon beside the name of the virtual
machine you want to modify.
3. Choose Edit VM Configuration.
4. Find the listing for the drive you want to change.
5. Choose the appropriate option for persistent, nonpersistent, undoable or
append disk mode from the drop-down list, then click Save Changes.
ESX Server can use disks in four different modes: persistent, nonpersistent, undoable
and append.
• Persistent: Persistent disks behave exactly like conventional disk drives on a
computer. All writes to a persistent disk are written out permanently to the disk
as soon as the guest operating system writes the data.
• Nonpersistent: All changes to a nonpersistent mode disk are discarded after
that ESX Server session is powered down.
• Undoable: When you use undoable mode, you have the option later of keeping
or discarding changes you have made during a working session. Until you
decide, the changes are saved in a redo-log file.
• Append: VMware ESX Server supports an additional append mode for virtual
disks stored as VMFS files. Like undoable mode, append mode maintains a redo
log. However, in this mode, no dialog appears when the virtual machine is
powered off to ask whether you want to commit changes. All changes are
continually appended to the redo log. At any point, the changes can be undone
by removing the redo log. You should shut down the guest operating system
and power off the virtual machine before deleting that virtual machine’s redo
log. You can also commit the changes to the main virtual disk file using the
commit option in vmkfstools. See Using vmkfstools on page 199 for details.
- VMware ESX Server 1
- VMware, Inc 2
- 3145 Porter Drive 2
- Palo Alto, CA 94304 2
- Table of Contents 3
- Welcome to VMware ESX Server 13
- What’s New in Version 1.5 15
- System Requirements 17
- Legacy Devices 21
- Technical Support Resources 22
- Installing, Configuring and 25
- Upgrading ESX Server 25
- ESX Server 26
- Before You Begin 28
- Installing VMware ESX Server 28
- Your Server 33
- 7. Click Perform Action 54
- GSX Server Virtual Machines 71
- Preparing to Use the Remote 79
- Management Software 79
- Linux – RPM Installer 81
- Linux – Tar Installer 81
- Remote Console on page 114 82
- Workstation 84
- Using the VMware Management 94
- Interface 94
- Management Interface 99
- Running VMware ESX Server 105
- Management Interface window 105
- Using Disk Modes 108
- Monitoring System Status 109
- Using the Remote Console 114
- VMware Tools Settings 117
- Cutting, Copying and Pasting 119
- Using SNMP with ESX Server 125
- Configuring SNMP Security 132
- Name Data type Description 139
- Backing Up Virtual Machines 140
- Operating Systems 144
- Guest Operating System 147
- Guest Operating Systems 149
- To enable expert mode, 154
- To enable expert mode, … 156
- Service 167
- Console Operating System and 169
- VMkernel 169
- Operating System 171
- The VMkernel Loader 173
- VMkernel Device Modules 174
- Machines 179
- Configuring Virtual Machines 181
- Using VMkernel Devices 182
- Modifying the SMBIOS UUID 187
- Enabling Repeatable Resumes 191
- Authenticating Users 193
- Default Permissions 194
- Using vmkfstools 199
- Naming VMFS File Systems 205
- Determining SCSI Target IDs 208
- Sharing the SCSI Bus 210
- Using Storage Area Networks 212
- Networking 215
- Promiscuous Mode 222
- Sharing Network Adapters and 224
- Virtual Networks 224
- Performance Tuning for Heavy 228
- Network Loads 228
- Resource Management 231
- CPU Resource Management 234
- Multiprocessor Systems 235
- Memory Resource Management 239
- Admission Control 240
- Dynamic Allocation 240
- Memory Reclamation 241
- Memory Sharing 242
- Sizing Memory on the Server 249
- Virtual Machine Memory 250
- Memory Overcommitment 251
- More Information 252
- Network Bandwidth Management 253
- Disk Bandwidth Management 257
- Configuration File Options 258
- Glossary 261
- Appendix A: I/O Adapter 265
- Compatibility Guide 265
- Linux Driver Compatibility 267
- VMware Certification 267
- Adaptec SCSI Adapters 268
- Emulex Fibre Channel Adapters 272
- QLogic Fibre Channel Adapters 272
- Compaq RAID Controllers 272
- Mylex DAC960 RAID Controllers 273
- Intel Gigabit Ethernet NICs 277
- The OpenSSL Toolkit License 280
- License Issues 280
- Original SSLeay License 281
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