Specifications
Table Of Contents
- Administration 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
- Before You Install the Release
- 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
- Installing VMware Server
- Selecting Your Host System
- About the VMware Server Console on the Server
- Installing VMware Server on a Windows Host
- Installing VMware Server on a Linux Host
- Configuring Web Browsers for Use with VMware Server
- Installing the VMware Server Console
- Installing the VMware APIs
- Uninstalling VMware Server
- Migrating from GSX Server to VMware Server
- Preparing for the Migration
- Before You Install VMware Server
- Shut Down and Power Off All Virtual Machines
- Make Sure All Disks Are in the Same Mode
- Upgrading Virtual Machines with Disks in Undoable Mode
- Upgrading Virtual Machines with Multiple Virtual Disks
- Back Up Virtual Machines
- Take Note of Custom Network Configurations
- Remove Existing VMware Products
- Make the Virtual Machine Accessible to Its Users
- When You Remove a VMware Product and Install VMware Server
- Before You Install VMware Server
- Migrating to VMware Server on a Windows Host
- Migrating to VMware Server on a Linux Host
- Using Virtual Machines Created with VMware GSX Server
- Using Virtual Machines Created with Workstation 5.x
- Preparing for the Migration
- Managing Virtual Machines and the VMware Server Host
- Remotely Managing Virtual Machines
- Securing Virtual Machines and the Host
- Identifying a Virtual Machine by Its UUID
- Logging VMware Server Events on Windows
- Backing Up Virtual Machines and the VMware Server Host
- Using the VMware Management Interface
- Setting the Session Length for the VMware Management Interface
- Logging On to the VMware Management Interface
- Using the Status Monitor
- Viewing Summary Information About the VMware Server Host System
- Viewing Summary Information About Virtual Machines on the Host
- Using the Virtual Machine Menu
- Connecting to a Virtual Machine with the VMware Server Console
- Monitoring the Virtual Machine’s Heartbeat
- Viewing Information about a Virtual Machine
- Using Common Controls
- Configuring a Virtual Machine
- The Apache Server and the VMware Management Interface
- Logging Off the VMware Management Interface
- Deleting Virtual Machines
- Configuring the VMware Server Host
- Using VirtualCenter to Manage Virtual Machines
- Moving and Sharing Virtual Machines
- Performance Tuning and the VMware Server Host
- Using High-Availability Configurations
- Using SCSI Reservation to Share SCSI Disks with Virtual Machines
- Overview of Clustering with VMware Server
- Creating a Cluster in a Box
- Using Network Load Balancing with VMware Server
- Creating Two-Node Clusters Using Novell Clustering Services
- Clustering Using the iSCSI Protocol
- Mounting Virtual Disks
- Glossary
- Index
VMware, Inc. 165
Chapter 7 Using High-Availability Configurations
! At!this!time,!if!one!virtual!machine!does!not!have!SCSI!reservation!enabled!for!its!
virtual!disk,!but!another!virtual!machine!does!have!SCSI!reservation!enabled!for!
the!same!virtual!disk,!VMware!Server!does!allow!the!disk!to!be!shared.!However,!
any!virtual!machine!not!configured!for!SCSI!reservation!that!tries
!to!access!this!
disk!concurrently!can!cause!corruption!or!data!loss!on!the!shared!disk.!VMware!
recommends!you!take!care!when!sharing!disks.
! If!you!need!to!shrink!or!defragment!the!virtual!disk!(which!can!be!done!only!with!
a!growable!virtual!disk),!first!disable!SCSI!reservation!and!make!sure!the!virtual!
disk!is!not!being!used!by!any!other!virtual!machine.!
To!disable!SCSI!reservation!for!all!SCSI!disks!in!a!virtual!machine,
!open!the!
configuration!file!and!comment!out!or!remove!the!scsi<x>.sharedBus =
"virtual"!line!and!make!sure!the!disk.locking!line!is!set!to!"true".
To!disable!SCSI!reservation!for!only!a!specific!SCSI!disk!on!a!shared!bus,!change!
the!scsi<x>:<y>.shared = "true"!line!in!the!configuration!file!to!
scsi<x>:<y>.shared = "false".!You!can!also!
comment!out!the!line.
! In!a!Windows!virtual!machine,!some!disk!errors!are!recorded!in!the!Windows!
event!log!in!normal!operation.!These!error!messages!have!a!format!similar!to
"The driver detected a controller error on \Device\Scsi\BusLogic3"
The!errors!should!appear!in!the!log!periodically!only!on!the!passive!node!of!the!
cluster!and!should!also!appear!when!the!passive!node!is
!taking!over!during!a!
failover.!The!errors!are!logged!because!the!active!node!of!the!cluster!has!reserved!
the!shared!virtual!disk.!The!passive!node!periodically!probes!the!shared!disk!and!
receives!a!SCSI!reservation!conflict!error.
Overview of Clustering with VMware Server
VMware!Server!clustering!capabilities!are!ideally!suited!for!development,!testing,!and!
training!applications.
NOTE Always!rigorously!test!and!review!your!cluster!before!deploying!it!in!a!
production!environment.
This!section!includes:
! “Applications!That!Can!Use!Clustering”!on!page 166
! “Clustering!Software”!on!page 166
Clustering!provides!a!service!through!a!group!of!servers!to!get!high!availability,!
scalability,!or!both.