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. 77
Chapter 10 Troubleshooting
Resolution
Toresolvethisissue:
Ifyouhavemultiplephysicaldisksoneachserver,locatethevCenterServerHeartbeatsendandreceive
queuesonaseparatephysicaldisk,awayfromtheWindowsdirectory,theWindowspagefile,andany
protectedfileshelptoalleviatediskperformanceissues:
aShutdownvCenterServerHeartbeat.
bOpentheServerConfigurationwizard
andclicktheLogstab.
cSetthepathforMessageQueueLogsLocationandclickFinish.
dStartvCenterServerHeartbeatonbothservers.
TheselectedpathisappliedtoallvCenterServerHeartbeatqueuesonbothservers.
Increasetheamountofdiskspaceallottedtothequeues.However,ifahardwareissueistherootofthe
problem,correctthatproblematthesource.
Thesizeofthepassiveserver’sreceivequeuecanincreasesharplyinresponsetocertaintypesoffilewrite
activityontheactiveserver,suchaswhenvCenterServerHeartbeatisreplicatingalargenumberofvery
smallupdatesofafewbyteseach.Thevolumeofupdatetrafficcanbe
fargreaterthanthephysicalsize
ofthefilesonthedisk,andthereceivequeuecanbecomedisproportionatelylarge.Youcanseethis
patternofdiskactivityduringthepopulationofFull‐TextCatalogsinMicrosoftSQLServer.Increasethe
amountofdiskspaceavailableforthequeues.Move
thequeuestotheirownphysicaldisk,upgradethe
memoryorthedisksubsystem.
vCenterServerHeartbeatrequiresacertainamountofsystemresourceforitsownbasicoperationsand
requiressomeadditionalresourcesforprocessingreplicationtraffic.Thisisinadditiontotheresources
usedbyWindowsandotherapplicationsrunningontheserver,includingcriticalapplicationsprotected
byHeartbeat.Allocatesufficientresourcesfor
alltheapplicationsandservicesrunningonsuchaserver
toprovidemaximumperformance,stability,andresilienceforchangingclient,server,andnetwork
activity.
[L20]Out of Disk Space (VCChannelOutOfDiskSpaceException)
Thismessageindicatesthatoneoftheserversinthepairhasrunoutofdiskspacewithoutreachingitspreset
quota.
Symptom
ReplicationstopsandthevCenterServerHeartbeatEventLogdisplaystheerrormessageoriginatingfrom
eitherserverinthepair .
Cause
Oneofthequeueshasexceededtheamountofphysicaldiskspaceavailableforitwithoutreachingitsquota
limit.Forexample,ifthemaximumqueuesizeissetto5GB,butonly3GBofphysicaldiskspaceremains,this
errormessageisreportedifoneofthequeuesexceeds3GB
insize.
Resolution
Freeupmorediskspaceormovethequeuestoadiskwithsufficientfreespacetoaccommodatequeuesizes
uptothelimitconfiguredforMaximumDiskUsage.