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Chapter26:UsingOrionScalabilityEngines
Activating StackablePollerLicenses
Wheninstallingadditionalpollingenginesinastackedpollerinstallation,
licensesmustbeactivatedusingtheSmartBundleinstaller.
Choosefromthescenariosbelow:
1. MainOrionServer+StackablePollers 
a. UseFullInstallertoinstallmainpoller.
b. UseSmartBundletoinstallstackablepoller(s).Thelicensewillbe
initiatedonthefirstscreen.
2.  AdditionalPollingEngine+StackablePollers
a. UseSmartBundletoinstallAdditionalPollingEngine.Thiswillinstall
bitsforallneededmodules/products(unlesssomethingisnot
includedbySmartBundle).
b. UseSmartBundletoinstallstackablepoller(s).Thelicensewillbe
askedonthefirstscreen
3. AddstackablePollerstoexistingAPE(couldbeinstalledbypreviousSmart
BundleorregularAPEinstaller). 
a. UseSmartBundletoinstallanymissingorout-of-datemodules.If
somemodulesarenotincludedintheSmartBundle,itwillprovide
instructionforyoutodownloadaregularAdditionalPollerinstallerand
installthemissingparts.
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FrequentlyAsked Questions
Thefollowingquestionsaddresssomecommonissuesencounteredwhenusing
scalabilityengineswithaSolarWindsinstallation.
Doeseachmodulehaveitsownpollingengine?
No,anyadditionalpollingenginemayhaveallrelevantmodulesinstalled
onit,anditwillperformpollingforallinstalledmodules.Anadditional
pollingengineessentiallyworksinthesamewayasyourprimarypolling
engineonyourmainserver.
IfIammonitoringwithbothNPMandSAM,doIneedtoinstallaNPMpolling
engineandaseparateSAMpollingengine?
No,anyadditionalpollingenginemayhaveallrelevantmodulesinstalled
onit,anditwillperformpollingforallinstalledmodules.Anadditional
pollingengineessentiallyworksinthesamewayasyourprimarypolling
engineonyourmainserver.
Arepollinglimitscumulativeorindependent?Forexample,canasingle
pollingenginepoll12kNPMelementsAND10kSAMmonitorstogether?
Yes,asinglepollingenginecanpolluptothelimitsofeachmodule
installed,providingsufficienthardwareresourcesareavailable.
AretheredifferentsizelicenseavailablefortheAdditionalPollingEngine?
No,theAdditionalPollingEngineisonlyavailablewithanunlimited
license.
CanyouaddanAdditionalPollingEnginetoanysizemodulelicense?
Yes,youcanaddanAdditionalPollingEnginetoanysizelicense.
Note:AddinganAdditionalPollingEnginedoesnotincreaseyourlicense
size.Forexample,ifyouarelicensedforanNPMSL100,addingan
additionalpollingenginedoesnotincreasethelicensedlimitof100
nodes/interfaces/volumes,butthepollingloadisspreadacrosstwopolling
enginesinsteadofone.
WillanAdditionalPollingEngineallowmetomonitoroverlappingIP’s?
Yes,youwillbeabletoaddnodeswiththesameIPAddresstoseparate
pollingenginesallowingyoutomonitoroverlappingIPAddresses.
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FrequentlyAskedQuestions
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AppendixA: References
ThissectionprovidesreferenceinformationrelevantforSolarWindsSolarWinds
NetworkPerformanceMonitor.
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Troubleshooting
l
Orion
Variables
and
Examples
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Status
Icons
and
Identifiers
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Regular
Expression
Pattern
Matching
l
95th
Percentile
Calculations
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AppendixA:References
Troubleshooting
IfyouhaveproblemswithanOrionproduct,thecausesareusuallyrelatedtoan
incorrectconfigurationorcorruptedfiles.Thefollowingsuggestionscanoften
clearuptheseproblems.
BackUpYourData
Asafirststepinanytroubleshootingprocedure,youshouldbackupyourOrion
database.
Formoreinformationaboutcreatingdatabasebackups,seethesection,"Creating
Orion
NPM
Database
Backup
Files"
intheSolarWindsNPMonline
documentation.
VerifyProgramOperation
SolarWindsNPMrunsmanycomponentsatthesametimetodeliveraviewof
yournetworkstatus.
Confirmthatthefollowingcomponentsarerunning:
l
Services:
o
MessageQueuing
o
Net.TcpPortSharingService
o
SolarWindsAlertingEngineservice
o
SolarWindsCollectorDataProcessor,ManagementAgent,and
PollingControllerservices
o
SolarWindsInformationService
o
SolarWindsJobEngineandJobEnginev2
o
SolarWindsJobScheduler
o
SolarWindsOrionInformationService
o
SolarWindsOrionModuleEngine
o
SolarWindsSyslogandTrapServices
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SQLServer
l
InternetInformationService(IIS)
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SolarWindsWebConsole
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StopandRestart
Manyproblemsdisappearwhenprogramsarerestarted.Stoppingandrestarting
InternetInformationService(IIS)mayeliminatewebpageproblems.Problems
withpollingordatagatheringmaybeeliminatedbystoppingandrestartingJob
EngineorCollectorservicesusingtheavailableshutdowntoolthatyoucan
locateasfollows:
ClickStart >AllPrograms >SolarWindsOrion >AdvancedFeatures >Orion
ServiceManager.
Foracompleterefreshofthesystem,rebootthecomputer.
RuntheConfigurationWizard
RunningtheConfigurationWizard,whichrefreshesfilesonthewebserverand
performschecksonthestructureofyourdatabase,maysolvemanyproblems.
Note:BeforeyouruntheConfigurationWizard,youshouldcloseallopen
applications.
WorkingwithTemporaryDirectories
ThefollowingsectionsprovideproceduresformovingWindowsandSQLServer
temporarydirectoriestooptimizeOrionserverperformanceandresources.
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Moving
the
SQL
Server
Temporary
Directory
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Redefining
Windows
System
Temporary
Directories
MovingtheSQLServerTemporaryDirectory
TheSQLServertemporarydirectory,tempdb,wheretemporarydatabaseobjects
generatedduringtablecreationandsortingarestored,istypicallycreatedinthe
samelocationonyourOriondatabaseserverasthemaster,model,andmsdb
databases.Movingthetempdbdatabasetoaphysicaldriveseparatefromyour
Oriondatabasecansignificantlyimproveoverallsystemperformance.
FormoreinformationaboutmovingtheSQLServer2005temporarydirectory,
tempdb,see"Moving
System
Databases
Example
A:
Moving
the
tempdb
Database"
.
FormoreinformationaboutmovingtheSQLServer2008temporarydirectory,
tempdb,see"Moving
System
Databases
Example
A:
Moving
the
tempdb
Database"
.
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AppendixA:References
RedefiningWindowsSystemTemporaryDirectories
FollowingestablishedWindowsstandards,theSolarWindsNPMinstallermay
useWindowsUserandSystemTEMPandTMPvariabledirectoriesastemporary
scratchspacesforfileexpansionandexecution.Ifyoudonothavetherequired
scratchspaceavailableinthedefaultUserorSystemTEMPandTMPdirectories,
usethefollowingproceduretoredefineyourdefaultlocations.
Note:RegardlessofwhereyouactuallyinstallSolarWindsNPM,somecommon
filesmaybeinstalledwheretheoperatingsystemofyourOrionserverare
located.
Toredefinedefaultsystemtemporarydirectories:
1. LogontoyourOrionserverasauserwithadministrativerights.
2. Right-clickMyComputer,andthenclickProperties.
3. ClickAdvanced,andthenclickEnvironmentVariables.
4. Selectthevariablenamerepresentingthedirectoryyouwanttoredefine,
clickEdit,andthenprovideanewpathastheVariablevalueforthe
selectedtemporarydirectoryvariable.
SlowPerformanceonWindowsServer2008
IfOrionisinstalledonWindowsServer2008andthereareanydevicesonyour
network,betweenyourOrionserverandyourdatabaseserver,thatdonotsupport
RFC
1323
,theTCPwindowsizeauto-tuningfeatureofWindowsServer2008
maypreventyourOrionserverfromsuccessfullyconnectingwithyourOrion
database.
ThisTCPauto-tuningfeatureisintendedasanetwork-sensitiverestriction,
appliedbythereceiver—yourSolarWinds Orionserver—ontheamountofdatait
isallowedorabletoreceive.Ifanydevicesalongthenetworkpathbetweenyour
OrionserverandyourOriondatabasedonotsupporttheTCPwindowscaling
detailedinRFC1323,theallowedsizeoftheTCPwindowinpacketssenttoyour
OrionservermaynotmatchtheTCPwindowsizereportedbypacketssentfrom
yourOrionserver.Thismismatchmayleadtofailedconnectionsbetweenyour
OrionserverandyourOriondatabase.ThefollowingproceduredisablesthisTCP
auto-tuningfeature,resettingtheTCPreceivewindowto64kB.
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Todisabletcpauto-tuning:
1. ClickStart>AllPrograms>Accessories.
2. Right-clickCommandPrompt,andthenclickRunasadministrator.
3. IfyouarepromptedbyUserAccountControl,clickContinuetoopen
theelevatedcommandprompt.
Note:Insomecases,havingUserAccountControl(UAC)enabledon
WindowsServer2008canleadtoinstallationerrors.Formoreinformation
aboutdisablingUAC,seethearticle"Disabling
User
Account
Control
(UAC)
"intheSolarWindsKnowledgeBase.
4. Attheprompt,enterthefollowing:
netshinterfacetcpsetglobalautotuninglevel=disabled
5. Closethecommandpromptwindow,andthenrestartyourOrionserver.
AdjustingInterfaceTransferRates
SolarWindsNPMmonitorstheactualtransferratesontheinterfacesand
calculatesthepercentutilizationinrealtime,asitisrequestedinreportsorwithin
theuserinterface.Usuallywhenyouseeinterfaceutilizationover100%itis
becausetheTransmitandReceivebandwidthvaluesforthisinterfacein
SolarWindsNPMareincorrect.
Toupdateinterfacetransferrates:
1. ClickStart >AllPrograms >SolarWindsOrion >OrionWebConsole.
2. Inthewebconsole,clickthenodethatcontainstheinterfaceyouwantto
update.ThisopenstheNodeDetailsviewfortheparentnodeofthe
interfaceyouwanttoedit.
3. IntheCurrentPercentUtilizationofEachInterface,oranyotherinterface-
relatedresourceontheNodeDetailsview,clicktheinterfaceyouwantto
edit.ThisopenstheInterfaceDetailsviewfortheinterfaceyouwanttoedit.
4. IntheInterfaceDetailsresource,clickEditInterface.
5. CheckCustomBandwidth.
6. EnterdesiredvaluesintheTransmitBandwidthandReceiveBandwidth
fields,andthenclickSubmit.
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AdjustingInterfaceTransferRates
AppendixA:References
UsingIntegratedRemoteDesktop
Sometimesitisnecessarytoconsoleintoaremoteservertotroubleshootan
issue.ThiscanbeaccomplishedwithintheOrionWebConsoleasfollows.
Note:PressCtrl+Alt+Breaktoenter/exitfullscreenmode.
TolaunchIntegratedRemoteDesktop:
1. OpentheNodeDetailsviewfortheserveryouwanttoviewremotely.
Note:TheeasiestwaytoopentheNodeDetailsviewistoclicktheremote
serveryouwanttoviewinanyAllNodesresource.
2.
Click
,locatedattheoftheNodeDetailsview.
Note:Dependingonthesecuritysettingsofyourbrowser,youmaybe
askedtoinstallanActiveXcontrolforremotedesktopviewing.Followall
promptstoinstallthisrequiredcontrol.
3. VerifytheServerIPaddressorhostname,selectanappropriateScreen
Size,andthenclickConnect.
RunningSolarWindsDiagnostics
SolarWindsDiagnosticsisatoolthatcollectsactivediagnosticswhichcanbe
usedfortroubleshooting.
Torunactivediagnostics:
1. NavigatetoOrionDiagnosticsviaStart>AllPrograms>SolarWinds
Orion>DocumentationandSupport.
2. InSolarWindsDiagnostics,clicktheRunActiveDiagnosticsbutton.The
SolarWindsActiveDiagnosticswindowwillopen.
3. Right-clicktheappropriatecategoryinthetree,suchasUnDP,andselect
RunTests.
ActiveDiagnosticsfortheselectedcategorywillcompleteandtheselected
categoryiconwillchangecolortoreflecttheresults.
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green-testspassedsuccessfully
728
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yellow-testspassedwithawarning
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red-testsfailed
Torunallavailableactivediagnostics,clickRunDiagnostics.
4. Ifatestinthecategorycompletedwithawarningorfailed,thewhole
categoryiconcolorchanges.Expandthecategoryandselecttheissue.
Theissuedetailswillbedisplayedintheupperleft-handpane.
Thelowerpanedisplaystheprogressofrunningtestsintheselected
category,andthestatusoftestsafterthetestsarecompleted.
5. ClickExportResults,savethelogfile(.json)andprovideittoSolarWinds
support.
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RunningSolarWindsDiagnostics
AppendixA:References
Orion Variablesand Examples
Orionplatformproducts,includingtheAlertManager,theTrapsViewer,the
SyslogViewer,andNetworkAtlascanemployOrionvariables.Thesevariables
aredynamicand,inthecaseofalerts,parsewhenthealertistriggeredorreset.
AsofOrionPlatformversion2015.1,variableshavechangedtoamoreflexible
format.ThepreviousimplementationwasSQL based,andthenewversionis
basedonSolarWindsInformationService(SWIS).Forexample,thevariable
${ResponseTime}isnow${N=SwisEntity;M=ResponseTime}.
Tip: CheckyourversionnumberbyscrollingtothebottomofthepageintheOrion
WebConsole.
VariableConstruction
Variablesaredesignatedbya$ andenclosedin{brackets}.Therearethree
attributespervariable,butonlytwoarenecessary.
Note: AllvariablesareavailableinthevariablepickerintheOrionWebConsole.
Youdonotneedtocreateorentervariablesmanually.
${N=context;M=macroName;F=format}
N
Thisisthecontextofthevariableandrequired.Youcanusethefollowing
contexts:
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Alerting-usesvariablesspecifictoalerting
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OrionGroup-usesvariablesspecifictogroups
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SwisEntity-usesvariablesspecifictotheobjectsyoumonitorinthe
contextofthealert
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Generic-usesvariablesspecifictogeneralenvironmentalproperties
M
Thisisthevariableormacronameandrequired.Youcanuseentitynames
fromtheSWIS.
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