6.3
Table Of Contents
- Administrator Guide
- Contents
- About This Book
- Getting Started
- Introduction
- Configuring vCenter Server Heartbeat
- Server Configuration Wizard
- Configuring the Machine Identity
- Configuring the Server Role
- Configuring the Client Connection Port
- Configuring Channel Routing
- Configuring the Default Channel Port
- Configuring Low Bandwidth Module
- Configuring Public IP Addressing
- Configuring for Identical Nodes
- Configuring for Non-Identical Nodes
- Managing vCenter Server Heartbeat License Keys
- Configuring Message Queue Logs
- Configuring the Maximum Disk Usage
- System Administration and Management
- Server Protection
- Network Protection
- Application Protection
- Status and Control
- vCenter Server Heartbeat Console
- About vCenter Server Heartbeat Console
- Work with Groups and Pairs
- Add, Edit, Move, and Remove Pairs in VCenter Server Heartbeat Groups
- Review the Status of vCenter Server Heartbeat Groups and Pairs
- Exit vCenter Server Heartbeat Console
- Shut Down Windows Without Stopping vCenter Server Heartbeat
- Performance Protection
- Data Protection
- Data Protection Overview
- Other Administrative Tasks
- Troubleshooting
- Troubleshooting Unexpected Behaviors
- Two Active Servers
- Two Passive Servers
- Synchronization Failures
- Registry Status is Out of Sync
- Channel Drops
- Subnet or Routing Issues
- MaxDiskUsage Errors
- MaxDiskUsage Error Messages
- [L9]Exceeded the Maximum Disk Usage (VCChannelExceededMaxDiskUsageException)
- [L9]Exceeded the Maximum Disk Usage on the ACTIVE Server
- [L9]Exceeded the Maximum Disk Usage on the PASSIVE Server
- [L20]Out of Disk Space (VCChannelOutOfDiskSpaceException)
- Application Slowdown
- Poor Application Performance
- Both Servers Can Accommodate the Initial Load but the Load Has Increased
- One Server Can Provide Adequate Resource Support, but the Other Cannot
- Scheduled Resource Intensive Tasks
- Glossary
VMware, Inc. 11
1
Thischapterincludesthefollowingtopics:
“vCenterServerHeartbeatConcepts”onpage 11
“vCenterServerHeartbeatSwitchoverandFailoverProcesses”onpage 17
Overview
vCenterServerHeartbeatisaWindowsbasedservicespecificallydesignedtoprovidehighavailability
protectionforvCenterServerconfigurationswithoutrequiringanyspecializedhardware.
vCenter Server Heartbeat Concepts
Architecture
vCenterServerHeartbeatsoftwareisinstalledonaPrimary(production)serverandaSecondary
(ready‐standby)server.Thesenamesrefertothephysicalhardware(identity)oftheservers.
Dependingonthenetworkenvironment,vCenterServerHeartbeatcanbedeployedinaLocalAreaNetwork
(LAN)orWideAreaNetwork(WAN).Additionally,
vCenterServerHeartbeatallowsforinstallationusing
identicalnodes(LANandWAN )ornon‐identicalnodes(LANonly).Thesefeaturesprovideflexibility
necessarytoaddressmostnetworkenvironments.
Dependingonthenetworkenvironmentandarchitectureselected,vCenterServerHeartbeatcanbe
configuredwherethePrimaryandSecondaryserverhavethesame
domainnameandPrincipal(Public)IP
address(identicalnodes)orwherethePrimaryandSecondaryservershavedifferentdomainnamesbutshare
thePrincipal(Public)IPaddress(non‐identicalnodes).Ineitherarchitecture,theSecondaryserverinthewill
havethesamefileanddatastructureandcanrunallof
thesameapplicationsandservicesasthePrimary
server.ThevCenterServerHeartbeatsoftwareissymmetricalinalmostallrespects,andeitherthePrimary
serverortheSecondaryservercantaketheactiveroleandprovideprotectedapplicationstotheuser.
Whendeployed,vCenterServerHeartbeatusestwoserv erswith
eitheridenticalPrincipal(Public)IP
addressesforidenticalnodesorasharedPrincipal(Public)IPaddressfornon‐identicalnodes.Oneofthe
serversperformstheroleoftheactiveserverthatisvisibleonthePublicnetworkwhiletheotheristhepassive
serverthatishiddenfromthePublic
networkbutremainsasaready‐standbyserver.Onlyoneservercan
displaythePrincipal(Public)IPaddressandbevisibleonthePublicnetworkatanygiventime.
Identical Nodes Configuration
Whenconfiguredforidenticalnodes,vCenterServerHeartbeatusestwoserverswiththesamedomainname,
Principal(Public)networkIPaddress,
fileanddatastructure,applications,andservicestoensurethatvCenter
Serverisrunning andavailable.WithapacketfilterinstalledonbothserversPrincipal(Public)NICs,vCenter
ServerHeartbeatappliesthepacketfiltertothePrincipal(Public)NIConthepassiveservertherebyblocking
communicationsandhidingthepassiveserver
fromthePublicnetwork.Whenaswitchoveroccurs,thepacket
Introduction
1