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Table Of Contents
VMware, Inc. 139
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StartingwiththevSphere4.0release,thevCenterServermakesperformancechartsforCPU,memory,diskI/O,
networking,andstorageavailable.YoucanviewtheseperformancechartsbyusingthevSphereWebClient
andreadabouttheminthevSphereMonitoringdocumentation.Youcanalsoperformsomemonitoringofyour
ESXi
systemusingvCLIcommands.
Thischapterincludesthesetopics:
“UsingresxtopforPerformanceMonitoring”onpage 139
“ManagingDiagnosticPartitionsonpage 139
“ManagingCoreDumps”onpage 140
“ConfiguringESXiSyslogServices”onpage 142
“ManagingESXiSNMPAgents”onpage 143
“RetrievingHardwareInformation”onpage 146
Using resxtop for Performance Monitoring
TheresxtopvCLIcommandallowsyoutoexaminehowESXisystemsuseresources.Youcanusethe
commandininteractivemode(default)orinbatchmode.TheResourceManagementdocumentationexplains
howtouseresxtopandprovidesinformationaboutavailablecommandsanddisplaystatistics.
Ifyoucannotreachthehostwith
theresxtopvCLIcommand,youmightbeabletousetheesxtopcommand
intheESXiShellinstead.SeeGettingStartedwithvSphereCommandLineInterfacesforinformationonaccessing
theshell.
Managing Diagnostic Partitions
Yourhostmusthaveadiagnosticpartition(dumppartition)tostorecoredumpsfordebuggingandforuseby
VMwaretechnicalsupport.
AdiagnosticpartitionisonthelocaldiskwheretheESXisoftwareisinstalledbydefault.Youcanalsousea
diagnosticpartitiononaremotedisksharedbetween
multiplehosts.Ifyouwanttouseanetworkdiagnostic
partition,youcaninstallESXiDumpCollectorandconfigurethenetworkedpartition.See“ManagingCore
DumpswithESXiDumpCollectoronpage 141.
Thefollowingconsiderationsapply:
AdiagnosticpartitioncannotbelocatedonaniSCSILUNaccessedthroughthesoftwareiSCSIor
dependenthardwareiSCSIadapter.FormoreinformationaboutdiagnosticpartitionswithiSCSI,see
GeneralBootfromiSCSISANRecommendationsinthevSphereStoragedocumentation.
Astandalonehostmusthaveadiagnosticpartitionof110MB.
Monitoring ESXi Hosts
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IMPORTANTresxtopandesxtoparesupportedonlyonLinux.