VMware VCENTER APPLICATION DISCOVERY MANAGER 6.1 - REPOSITORY Guía de usuario descargar pdf (Pagina 36)

ADM User’s Guide

36 VMware, Inc.

Troubleshooting Knowledgebase

NavigatetoDetailDiscovery>TroubleshootingKnowledgebasepagefortroubleshootingscenarios.The

followingisanexampleinwhichyouwouldusethistab:

1Youencounterdetaildiscoveryproblemsorerrors.

2YourCustomerSupportRepresentativecannotresolvetheproblem.Engineeringrequiresmore

informationandcreatesaspecializedknowledgebasefileinorderto

debugtheproblem.

3YouuploadthefilefromtheDetailDiscovery>TroubleshootingKnowledgebasepage.

Deploying Detail Discovery

ThissectiondescribeshowtodeployDetailDiscovery.

Detail Discovery Configuration

ADMhasanextensivedetaildiscoveryfeaturethatenhancesandcomplementstheresultsobtainedthrough

PassiveDiscovery.DetailDiscoveryisperformedbycommunicationbetweenhostsinamanagednetwork,

usingfourcommonnetworkprotocols:SNMP,SSH,Telnet,andWMI.Detaildiscoveryisalsoperformedusing

thediscoveryprotocolVI‐SDK,which

isaVMwareproprietaryAPIusedtoquerymodelofVMware,control

thebehaviorofvirtualinfrastructure,andreceivenotificationsonchangesinthevirtualenvironment.

Usingtheseprotocols,supplementaryinformationaboutnetworkhostsisobtainedandaddedtothe

ConfigurationManagementDatabase(CMDB).Tomaximizesecurityandminimizetherisk

ofimpactonthe

managednetwork,theadministrativeuseroftheADMConsolecantightlycontrolthesetupandscheduling

oftheDetailDiscoveryqueriestothevariousnetworkhosts.

How Do Active Probe Configurations Affect Detail Discovery Policies?

ForDetailDiscoverytobesuccessfulinaDistributedsetup,thehoststobediscovered,needstobeincluded

inbothaDetailDiscoverypolicyandanActiveProbeconfiguration.TheDetailDiscoverypolicyincludesa

listofitemstoincludeintheDetailDiscovery,whiletheActiveProbeconfigurationassigns

thespecifichosts

onwhicheachCollectorcanperformDetailDiscovery.

DetailDiscoveryisnotbeperformedonahostthatisincludedinaDetailDiscoverypolicyifitisnotincluded

inanActiveProbeconfiguration.However,thehostisstillrecognizedthroughPassiveDiscoveryandwill

appearas

OrphanedintheDetailDiscoverydashboardbecausetheActiveProbeconfigurationhasno

correlationwithPassiveDiscovery.

Detail Discovery Policies

DetailDiscoveryiscontrolledandconfiguredthroughuser‐definedDetailDiscoverypolicies.Therecanbe

manypolicies,eachdescribingaquerythatisrunningperiodicallyandcollectingnetworkinformation.For

eachpolicy,thefollowingparametersaredefined:

 Thediscoveryscope,thatis,thesetofnetworkhoststhatisqueriedforinformation.

 Schedulinginformation:Howoftentoaccessthenetworkhostscoveredbythepolicy.Thescheduling

schemeletsADMuserscontrolandbalancetwoconflictingfactors.Thetwoconflictingfactorsare,the

needtohavethemostupdatedpictureandtheneedtoavoidoverloadingthenetworkwithtoomany

DetailDiscovery

queries.

 Discoveryplan:Adiscoveryplanallowsyoutodefineexactlywhatwillbediscovered,andtherefore

improveperformance.YoucancreatepassiveorDetailDiscoveryplansthatcanincludeorexcludethe

discoveryofspecifichosts,services,andconnections.

OTETroubleshootingknowledgebaseappliesonlytocreateadetaildiscoverysupportpackageuntilthefile

isremoved.Itdoesnotcustomizethedetaildiscoveryknowledgebasepermanently.

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VMware VCENTER APPLICATION DISCOVERY MANAGER 6.1 - REPOSITORY Guía de usuario Pagina 36

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