
Installing, Configuring and Upgrading ESX Server
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• Nonpersistent: All changes to a disk in nonpersistent mode are discarded
when a virtual machine 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: Append mode also stores changes in a redo log. It continually adds
changes to the redo log until you remove the redo-log file or commit the
changes using the commit command in vmkfstools (see Using
vmkfstools on page 199).
The setup process allows you to create one virtual disk for your virtual machine.
You can add more virtual disks later, using the Configure VM page of the VMware
Management Interface.
Networking: Select the way you want to connect this virtual machine to the
network. You can select a vmnic adapter, which connects the virtual machine to
the physical network adapter, allowing the virtual machine to look and act as
another computer on the network. Or you can connect the virtual machine to an
internal network of other virtual machines by selecting a vmnet adapter. All the
virtual machines on this computer connected to a particular vmnet are on the
same network.
Also, you need to select the network driver for this network connection. You can
choose between the vlance driver, which installs automatically, and the vmxnet
driver, which provides better network performance. The difference in network
performance is most noticeable if the virtual machine is connected to a Gigabit
Ethernet card.
If you choose vmxnet, you must configure the driver manually when you install
VMware Tools in the guest operating system (see Installing a Guest Operating
System and VMware Tools on page 70).
Note: If you use vmxnet in a Linux virtual machine, the virtual network device
will not be visible to the guest operating system until you install VMware Tools
(see Installing VMware Tools and the Network Driver in a Linux Guest on
page 76). After you install VMware Tools, run netconfig or another network
configuration utility in the virtual machine to set up the virtual network adapter.
After the virtual machine is created, you can use the Configure VM page to
assign additional network adapters to the virtual machine.
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