Specifications
Table Of Contents
- Virtual Machine Guide
- Contents
- Introduction and System Requirements
- VMware Server Overview
- Features of VMware Server
- Support for 32-bit and 64-bit Guest Operating Systems
- Two-Way Virtual SMP (Experimental Support)
- Connect to VMware GSX Virtual Machines and Hosts
- Upgrade and Use GSX Virtual Machines
- Move Existing Virtual Machines
- Compatible with VMware Workstation 5.x Virtual Machines
- Configure Virtual Hardware Devices to be Automatically Detected
- Take and Revert to Snapshots in the Background
- Support for VMware Virtual Machine Importer
- Support for VirtualCenter
- APIs Included with VMware Server
- Host System Requirements
- Virtual Machine Specifications
- Virtual Processor
- Virtual Chipset
- Virtual BIOS
- Virtual Memory
- Virtual Graphics
- Virtual IDE Drives
- Virtual SCSI Devices
- Virtual PCI Slots
- Virtual Floppy Drives
- Virtual Serial (COM) Ports
- Virtual Parallel (LPT) Ports
- Virtual USB ports
- Virtual Keyboard
- Virtual Mouse and Drawing Tablets
- Virtual Ethernet Card
- Virtual Networking
- Virtual Sound Adapter
- Supported Guest Operating Systems
- Technical Support Resources
- Creating a New Virtual Machine
- Using VMware Tools
- About VMware Tools
- Installing VMware Tools
- Installing VMware Tools in a Windows Virtual Machine
- To install VMware Tools in a Windows Guest Operating System
- Additional Steps When Migrating from Old Versions of Windows
- To migrate from Windows NT guest operating systems
- To migrate from Windows Me guest operating systems
- To migrate from Windows 98 guest operating systems
- To migrate from Windows 95 guest operating systems
- Automating the Installation of VMware Tools in a Windows Guest
- Installing VMware Tools in a Linux Virtual Machine
- Installing VMware Tools in a NetWare Virtual Machine
- Installing VMware Tools in a Windows Virtual Machine
- Executing Scripts When the Virtual Machine’s Power State Changes
- Configuring VMware Tools
- Configuring VMware Tools in a Windows Virtual Machine
- Configuring VMware Tools in a Linux, FreeBSD, or Solaris Virtual Machine
- Configuring VMware Tools in a NetWare Virtual Machine
- Configuring VMware Tools in a NetWare 6.5, 6.0, or NetWare 5.1 Guest
- Viewing Information About VMware Tools
- Connecting Devices with VMware Tools
- Shrinking Virtual Disks with VMware Tools
- Setting Options with VMware Tools
- Configuring VMware Tools for NetWare Guests in the System Console
- Summary of VMware Tools Commands for a NetWare Guest
- About the VMware Tools Service
- Running Virtual Machines
- Overview of the VMware Server Console Window
- Connecting to Virtual Machines and VMware Server Hosts
- Changing the Power State of a Virtual Machine
- Controlling the Virtual Machine Display
- Running Virtual Machines from DVDs or CD-ROM Discs
- Using PXE with Virtual Machines
- Installing Software in a Virtual Machine
- Cutting, Copying, and Pasting Text
- Using Devices in a Virtual Machine
- Command Reference
- Preserving the State of a Virtual Machine
- Suspending and Resuming Virtual Machines
- Taking Snapshots
- Using Disks in a Virtual Machine
- Configuring Hard Disk Storage in a Virtual Machine
- Configuring Optical and Floppy Drives
- Adding Drives to a Virtual Machine
- Using VMware Virtual Disk Manager
- Installing an Operating System onto a Physical Partition
- Disk Performance in Windows NT Guests on Multiprocessor Hosts
- Networking
- Components of the Virtual Network
- Common Networking Configurations
- Custom Networking Configurations
- Changing the Networking Configuration
- Advanced Networking Topics
- Selecting IP Addresses on a Host-Only Network or NAT Configuration
- Avoiding IP Packet Leakage in a Host-Only Network
- Maintaining and Changing the MAC Address of a Virtual Machine
- Controlling Routing for a Host-Only Network on a Linux Host
- Issues with Host-Only Networking on a Linux Host
- Setting Up a Second Bridged Network Interface on a Linux Host
- Configuring Bridged Networking When Using Teamed Network Interface Cards
- Setting Up Two Separate Host-Only Networks
- To set up the second host-only interface on a Windows host
- To set up the second host-only interface on a Linux host
- Configuring the Virtual Machines
- Configuration 1 - Connect to the Default Host-Only Interface
- Configuration 2 - Connect to the Newly Created Host-Only Interface
- Configuration 3 - Connect to Two Host-Only Interfaces
- Routing Between Two Host-Only Networks
- Setting Up the First Host-Only Interface
- To set up the second host-only interface on a Windows host
- To set up the second host-only interface on a Linux host
- Setting Up the Virtual Machines
- Virtual Machine 1 - Connected to the Default Host-Only Interface
- Virtual Machine 2 - Connected to the Newly Created Host-Only Interface
- Virtual Machine 3 - Connected to Both Host-Only Interfaces
- Using Virtual Ethernet Adapters in Promiscuous Mode on a Linux Host
- Understanding NAT
- Using Samba for File Sharing on a Linux Host
- Sample smb.conf for Host-Only Networking
- Sample smb.conf for Bridged Networking
- Adding User Names and Passwords to the VMware Server Samba Password File
- If You Are Already Running Samba
- Using a Samba Server for Both Bridged and Host-Only Networks
- Using VMware Server’s Samba with an Existing Installation
- Sample smb.conf for Running Two Samba Servers at the Same Time
- Configuring Devices
- Using Parallel Ports
- Using Serial Ports
- Keyboard Mapping on a Linux Host
- Using USB Devices in a Virtual Machine
- Connecting to a Generic SCSI Device
- Using Two-Way Virtual Symmetric Multiprocessing (Experimental)
- Video and Sound
- Performance Tuning for Virtual Machines
- Glossary
- Index
VMware, Inc. 115
Chapter 5 Preserving the State of a Virtual Machine
newly!saved!data!continues!to!accumulate!in!them!until!you!take!an!action!that!affects!
the!snapshot.!Be!aware!of!how!much!disk!space!these!files!consume.
! Remove!the!snapshot!—!When!you!remove!the!snapshot,!the!changes!accumulated!
in!the!new!virtual!disk!file!is!written!permanently!to!the!base!disks!(either!the!
virtual!disk!files!or!the!physical!disks,!depending!on!your!virtual!machine’s!hard!
disk!configuration).!
! Revert!to!the!snapshot!—!When!you!revert!to!the!snapshot,!the!contents!of!the!
newly!created!virtual!disk!file!is!discarded.!Any!additional!changes!are,!once!
again,!accumulated!in!a!new!virtual!disk!file.!
! Take!a!snapshot!—!If!you!take!a!snapshot!when!the!virtual!machine!already!has!a!
snapshot,!changes!stored!in!the!new!virtual!disk!file!are!written!permanently!to!the!
base!disk.!Any!subsequent!changes!again!accumulate!in!a!new!virtual!disk!file.!
Depending!on!how!large!the!virtual!disk!file
!is,!taking!a!new!snapshot!can!take!
some!time
Snapshots and Other Activity in the Virtual Machine
When!you!take!a!snapshot,!be!aware!of!other!activity!occurring!in!the!virtual!machine!
and!the!likely!impact!of!reverting!to!the!snapshot.!In!general,!it!is!best!to!take!the!
snapshot!when!no!applications!in!the!virtual!machine!are!communicating!with!other!
computers.!The!potential!for!problems!is!greatest
!if!the!virtual!machine!is!
communicating!with!another!computer,!especially!in!a!production!environment.
Consider!a!case!in!which!you!take!a!snapshot!while!the!virtual!machine!is!downloading!
a!file!from!a!server!on!the!network.!After!you!take!the!snapshot,!the!virtual!machine!
continues!downloading!the!file,!communicating!its
!progress!to!the!server.!If!you!revert!
to!the!snapshot,!communications!between!the!virtual!machine!and!the!server!are!
confused!and!the!file!transfer!fails.
Or!consider!a!case!in!which!you!take!a!snapshot!while!an!application!in!the!virtual!
machine!is!sending!a!transaction!to!a!database!on!a
!separate!machine.!If!you!revert!to!
the!snapshot!—!especially!if!you!revert!after!the!transaction!starts!but!before!it!has!been!
committed!—!the!database!is!likely!to!be!confused.
Settings for Snapshots
You!can!specify!what!VMware!Server!does!with!the!snapshot!whether!the!machine!is!
powered!on!or!powered!off.!