VMware VCENTER APPLICATION DISCOVERY MANAGER 6.1 - REPOSITORY Podręcznik Użytkownika Pobierz pdf (Strona 10)

ADM User’s Guide

10 VMware, Inc.

 WherearethehiddenoptimizationopportunitiesandhowcanIcapitalizeonthem?

 Howwilltheseapplicationchangesimpactmybusiness?

 Whataretherisks?

 WhataretheproblemsandhowcanIsolvethem?

Essential Concepts

Table 1‐1definesessentialconceptsofADM.

Table 1-1. Essential Concepts

Concept Definition

ConfigurationItem(CI) ACIisahost(thiscanalsoincludenetworkdevicessuchasswitchesorrouters),an

application(alsoknownasaservice),oranetworkconnection.Forexample,aLinux

host,Ciscorouter,orVMware

ESX™ServerareallhostCIs.Oracleisanapplication

CI.HTTP

andSSHarenetworkconnectionCIs.

Discovery Discoveryisacontinuousprocessthatcreatesandmaintainsadetailedmodelofyour

applicationenvironment.ADMdiscoversCIs.Chapter 5containsmoreinformation

aboutdiscovery.

ManagementData

Repository(MDR)

TheMDRisthedatabaseofADM.Whenconfigurationiteminformationis

discovered,itisstoredin

theMDRafterreconciliation.

Groups Agroupisabuilt‐inoruser‐definedcollectionofoneormoreCIs.Theadminuserscan

creategroupssothattheycaneasilyview,analyze,andtrackthespecificsubsetof

data.GroupcreationallowstheadminusertoclassifyCIsintologicalsets

or

collectionssothatactionssuchascreatingreports,policies,orviewingtheinventory

isappliedtospecificgroups,insteadoftheentiredatabaseofCIs.Chapter 4contains

moreinformationaboutgroups.

Change AchangeisanychangetoaCI.Forexample,achangetoaconfigurationfileonahost



isachange.

Changetracking Changetrackingreferstoachangeinthediscoveredenvironment,suchasachange

intheamountofactivityonahost,achange inthedemandonahostorservice,ora

newhostorconnectionthatispresentinthediscoveredenvironment.Change

trackingreferstobehavioralchanges.ADMallowsyoutocreatechangetracking

policiesthattrackbehavioralchangesinyourapplicationenvironment.

Applicationpattern ADMdiscoversbusinessapplicationsbycreatingapplicationpatterns.Theadminuser

cancreatethesefromtheManagetab,oraVMwareProfessionalServices

representativecanprovideyouthese.An

applicationpatterndefinitionconsistsofset

ofrulesthatdescribetherequestedpattern.Thetwosetofrulesarenoderulesand

connectivityrules.ADManalyzestheapplicationpatterndefinitionanddiscovers

instancesoftheapplicationpattern.Noderulesaregroup‐likerulesthatdescribethe

instancesinthetopologygraph.

Connectivityrulesdescribetheedgesinthetopology

graph(thatis,theconnectivitybetweentwoinstances).

Entityaging ADMletsyoucreateentityagingpolicies.Forexample,aservicerunninginyour

networkispopulatedintheMDR,andisthereforevisibletoyoufromtheUser

Interface(UI).Ifyouuninstall

thisserviceatalatertime,youshouldnolongerseeit

asarunningserviceintheUI.Creatinganentityagingpolicyletsyouviewthemost

updatedstateofyournetwork,sinceitisaconstantlychangingenvironment.(An

entityisanetworkelement,serviceordependency,

andanyoftheirderivedelements

suchasaJ2EEordatabaseinstance.)

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