
VMware, Inc. 7
1
ThischapterintroducestheVMwarevCenter™ApplicationDiscoveryManager(ADM)repositoryand
providesanoverviewthatincludesdescriptionsofdatacollection,tabletypes,andkeyfields.
Thischapterincludesthefollowingtopics:
“Overview”onpage 7
“SynchronizingtheExternalDatabase”onpage 8
Overview
TheADMprovidesstandardreportsbasedonthedatacollectedandstoredintheADMRepository.The
schemaofthenewADMExternalDatabaseissimpletounderstandandallowsyoutowritereportingqueries
overitwithoutdisruptingtheperformanceoftheotherADMservices.
How Data Is Collected
TheADMcollects,manages,andstoresdatathroughthecomponentslistedinTable 1‐1.
Figure 1‐1illustrateshowdataiscollectedandstoredintheADMdatabase.
Introduction
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Table 1-1. ADM Components
Component Description
ActiveDiscovery‐
Unix
Collectsdatafromtheconfigurationobjectsinyourdatacenter.Thefollowingdiscoverytypes
apply:
IPdiscovery:DetectshostsorotherconfigurationitemswithaspecificIPaddresswhen
passivediscoveryfailstodiscoverthem.
Detaildiscovery:ExtendstheinformationobtainedusingpassiveandIPdiscovery.Ituses
commonnetworkprotocolstoremotelyqueryserversinthemanagednetworkandobtains
supplementaryinformationaboutnetworkhoststhatisaddedtothedatabase.
ActiveDiscovery‐
Windows
AdiscoveryenginethatusesWMIbaseddiscoverypoliciesforperformingactive
discoveryon
Windowsmachines.
PassiveDiscovery Passivelyobservesthenetworktrafficbyperformingadeep‐packetanalysistodiscover
applicationsandcomponentrelationshipsinphysicalandvirtualenvironments.
Passivediscoveryalsoallowsyoutodothefollowing:
Mapdependencies.
Counttheactivityofthesedependencies.
Identifyservices.
Aggregator Receivesdatafromthediscoverycomponentsandreconcilesthedatabeforetransferringittothe
databasecomponent.TheaggregatoralsoprovidestheuserinterfaceforusingADMandisthe
integrationpointforvariousintegrations,forexample,ERDB.
Database AnOracleRDBMSusedtostorediscovereddataandADMconfiguration.
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