Blackboard Learn 9.1 - Administering Blackboard Learn

658 Pages·2010·5.19 MB·English

by  Blackboard, Inc.

StrategicPlanning>QuestionstoAskPriortoIntegration
Strategic Planning
Importinguser,Course,enrollment,andstaffdatafromaninstitution’sinformationsystemsinto
BlackboardLearncaninvolvemanydifferentsystemsanddifferentpeople.BlackboardLearnis
installedwiththetoolstoassistwiththisprocess,buteveryOrganizationisuniqueandhasdifferent
requirements.
Toestablishasuccessfulprocess,carefulplanningisnecessaryaswellasanunderstandingofthe
underlyingsystemsinvolved.TheintegrationprocessisacollaborativeeffortbetweenBlackboard
Learnandtheinstitution.Workingtogethertodesignandthenimplementaseamlessprocesstakes
considerableplanning.BlackboardConsultingcanprovidethesupport,experience,andknowledge
necessarytoassistinstitutionswithanefficientintegration.
Questions to Ask Priorto Integration
Institutionsmustanswerthefollowingquestionspriortodataintegration:
WhichinstitutionalsystemscontainthedataforintegrationwithBlackboardLearn?
l
HowwillattributesoftheinstitutionalsystemmaptoBlackboardLearn?
l
Whichcriteriamustbesatisfiedbeforeadatarecordcanbesentfromtheinstitutionalsys-
l
temtoBlackboardLearn?
Howwillintegrationprovidetheneededpackaginganderrorhandlingpracticesrequiredby
l
theinstitution?
ProjectTeams
Tosuccessfullyplanandimplementadataintegrationproject,Blackboardrecommendsforming
cross-functionalteamsrepresentingeachstakeholderintheproject.Theseteamsusuallyconsistof:
AninstitutionalProjectManager
l
Analystswithdetailedunderstandingoftheinstitution’sbusinessprocesses,needs,and
l
associatedinformationsystems
Programmerswiththeabilitytoquery,reportfrom,andinterfacewiththeenterprisesys-
l
tems
IftheinstitutionisworkingwithBlackboardConsultingonthedataintegrationproject,theseteams
shouldalsorepresentBlackboard,theinstitution,andsolutionpartners.Theseteamsmayconsistof:
AninstitutionalProjectManager
l
ABlackboardProjectManager
l
Institutionalanalystswithdetailedunderstandingoftheinstitution’sbusinessprocesses,
l
needs,andassociatedinformationsystems
Institutionalprogrammerswiththeabilitytoquery,reportfrom,andinterfacewiththeenter-
l
prisesystems
Blackboardandsolution-partnertechnicalconsultants
l
Steps to a SuccessfulIntegration
Therearesevenbasicstepstoasuccessfulintegration.
BlackboardLearnRelease9.1-ManagingServers-Page1
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
StrategicPlanning>DataIntegrationPlanningProcess
1. Definethescopeandtimeframeofthedataintegrationproject:whatdataentitieswillbe
exchangedbetweenthesystemsandwhenwilltheprojectbecomplete?
2. Develop,analyze,anddocumentrequirements,includingownershipofdataentitiesand
attributes,keydefinition,attributemapping,datamodelingandtriggerdetermination,
timeliness,reliability,security,andoperationalissues.
3. Design,configure,andprogramadata-integrationsolution:althoughBlackboardLearn
featuresmanybuilt-inintegrationcapabilities,someinstitutionsmayrequireadditional
customization.Whereappropriate,theprojectteamcanuseexistingsolutionsfrom
enterprisevendors,reusepriorsolutionsdevelopedforotherinstitutions,ordevelopan
entirelynewcustomsolution.
4. Developanddocumentoperatingproceduresforallaffectedparties.
5. Testthesystem.
6. Transferthetechnologytotheoperationsteamattheinstitution.
7. Trainallrelevantpersonnel.
Data Integration Planning Process
Documenttheplanning,design,configurationandprogrammingofthedataintegrationprocessof
stepstwoandthreeinthepreviouslist.Theplanningportionconsistsofdevelopingthefollowing:
Datamapping:organizethedatasourcestopreparethedatadictionary(adocumentthat
l
liststhevariousacceptableattributesforeachdatafield)andmaprequiredandoptional
attributesofBlackboardLearntothoseofinstitutionalsystems.TheBlackboardDataDic-
tionarybeginswithCategoryDataFeedElements.
Datalifecycle:generatebusinessrulesthatregulatehowdataishandled,forexample
l
whenrecordsareadded,removedorarchived.
Dataoperations:generaterulesthatgoverntheuseoftheintegrationtoolstotransfer
l
data,forexamplehowthesystemisinitiallypopulated,andhowitissynchronizedwith
othersystems.
Tips
Completethedataintegrationforoneinformationsystematatime;itisquickertoadda
l
secondauxiliarysystemafterthefirstisdone.
Whenplanningtheintegration,focusongettingthedataintothesystembeforedetermining
l
whentoremoveit.Inmostcases,institutionswillhaveawholesemesterorlongertocom-
pletetherulesfordisablingdatasotheplantoremoveitdoesnothavetobecompletedup
front.
Forassistanceinplanningdataintegration,pleasecontactBlackboardConsulting.
l
BlackboardLearnRelease9.1-ManagingServers-Page2
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
GettingStartedwithServerAdministration>WheretoStart
Getting Started with Server Administration
Where to Start
InstitutionsthathavejustinstalledBlackboardLearnshouldbecomefamiliarwiththeenvironment
beforemakingitavailabletousers.Afterinstallation,readtheavailableBlackboardLearndoc-
umentationandthendevelopandreviseaplanformanagingthesystem.Consider:
Authentication:ShoulduserslogintoBlackboardLearnusingauniqueusernameand
l
passwordorshouldusersauthenticateonceonthenetworkandthenhaveseamless
accesstoBlackboardLearn?ReadthesectiononAuthenticationforinformationonhowto
integrateBlackboardLearnwithanauthenticationsystemalreadyoncampus(suchas
LDAPorActiveDirectory).
Security:ShouldusercommunicationswithBlackboardLearnbeprotectedbySSL?Will
l
userssufferwithslowerperformanceduetoSSL?ReadthesectiononSSLtoencryptuser
communicationswithBlackboardLearn.
Maintenance:ReadtheBlackboardLearnArchitecturesectionforguidanceonserver
l
maintenance.Thissectionalsoreviewsthefilesystemanddatabasestructureandthe
commandlinetoolsavailabletoadministrators.
OtherResources forAdministrators
ItisimportantthatadministratorsreadtheReleaseNotesandreviewtheKnownandResolved
Issues.
ForinformationaboutoptimizingBlackboardLearntoperformbestinaparticularenvironment,see
AboutOptimizingBlackboardLearn.
PushConfigUpdates
ThePushConfigUpdatescommandautomaticallyupdatestheadmindatainthedatabasebyread-
ingthevalueintheconfig.xml.Itautomaticallypushesthechangesofthedatabasehostname
andport,instancename,andexternallyvisiblewebserverhostnametothedatabase.
WhenthePushConfiguUpdatescommandiscomplete,itwillnotdisplaywhetherornotdynamic
compressionisenabledonyourIIS installation.VerifythissettinginIIS 6.0byvisitingConfigure
CompressioninIIS6.0usingWindows2003orinIIS 7.0byvisitingConfigureCompressioninIIS7.0
usingWindows2008.
FormoreinformationaboutPushConfigUpdates,seePushConfigUpdates.
Blackboard Learn -Basic Edition Limitations
Severaloftheserver-sideoptionsdescribedinthismanualarenotavailabletoInstitutionsrunning
BlackboardLearn-BasicEdition.BlackboardLearn-BasicEditionadministratorswillfindtheArchi-
tecturesectionvaluable.IntegratedauthenticationandSSLarenotavailablewithBlackboardLearn-
BasicEdition.
BlackboardLearnRelease9.1-ManagingServers-Page3
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
StrategicPlanning>QuestionstoAskPriortoIntegration
Strategic Planning
Importinguser,Course,enrollment,andstaffdatafromaninstitution’sinformationsystemsinto
BlackboardLearncaninvolvemanydifferentsystemsanddifferentpeople.BlackboardLearnis
installedwiththetoolstoassistwiththisprocess,buteveryOrganizationisuniqueandhasdifferent
requirements.
Toestablishasuccessfulprocess,carefulplanningisnecessaryaswellasanunderstandingofthe
underlyingsystemsinvolved.TheintegrationprocessisacollaborativeeffortbetweenBlackboard
Learnandtheinstitution.Workingtogethertodesignandthenimplementaseamlessprocesstakes
considerableplanning.BlackboardConsultingcanprovidethesupport,experience,andknowledge
necessarytoassistinstitutionswithanefficientintegration.
Questions to Ask Priorto Integration
Institutionsmustanswerthefollowingquestionspriortodataintegration:
WhichinstitutionalsystemscontainthedataforintegrationwithBlackboardLearn?
l
HowwillattributesoftheinstitutionalsystemmaptoBlackboardLearn?
l
Whichcriteriamustbesatisfiedbeforeadatarecordcanbesentfromtheinstitutionalsys-
l
temtoBlackboardLearn?
Howwillintegrationprovidetheneededpackaginganderrorhandlingpracticesrequiredby
l
theinstitution?
ProjectTeams
Tosuccessfullyplanandimplementadataintegrationproject,Blackboardrecommendsforming
cross-functionalteamsrepresentingeachstakeholderintheproject.Theseteamsusuallyconsistof:
AninstitutionalProjectManager
l
Analystswithdetailedunderstandingoftheinstitution’sbusinessprocesses,needs,and
l
associatedinformationsystems
Programmerswiththeabilitytoquery,reportfrom,andinterfacewiththeenterprisesys-
l
tems
IftheinstitutionisworkingwithBlackboardConsultingonthedataintegrationproject,theseteams
shouldalsorepresentBlackboard,theinstitution,andsolutionpartners.Theseteamsmayconsistof:
AninstitutionalProjectManager
l
ABlackboardProjectManager
l
Institutionalanalystswithdetailedunderstandingoftheinstitution’sbusinessprocesses,
l
needs,andassociatedinformationsystems
Institutionalprogrammerswiththeabilitytoquery,reportfrom,andinterfacewiththeenter-
l
prisesystems
Blackboardandsolution-partnertechnicalconsultants
l
Steps to a SuccessfulIntegration
Therearesevenbasicstepstoasuccessfulintegration.
BlackboardLearnRelease9.1-ManagingServers-Page4
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
StrategicPlanning>DataIntegrationPlanningProcess
1. Definethescopeandtimeframeofthedataintegrationproject:whatdataentitieswillbe
exchangedbetweenthesystemsandwhenwilltheprojectbecomplete?
2. Develop,analyze,anddocumentrequirements,includingownershipofdataentitiesand
attributes,keydefinition,attributemapping,datamodelingandtriggerdetermination,
timeliness,reliability,security,andoperationalissues.
3. Design,configure,andprogramadata-integrationsolution:althoughBlackboardLearn
featuresmanybuilt-inintegrationcapabilities,someinstitutionsmayrequireadditional
customization.Whereappropriate,theprojectteamcanuseexistingsolutionsfrom
enterprisevendors,reusepriorsolutionsdevelopedforotherinstitutions,ordevelopan
entirelynewcustomsolution.
4. Developanddocumentoperatingproceduresforallaffectedparties.
5. Testthesystem.
6. Transferthetechnologytotheoperationsteamattheinstitution.
7. Trainallrelevantpersonnel.
Data Integration Planning Process
Documenttheplanning,design,configurationandprogrammingofthedataintegrationprocessof
stepstwoandthreeinthepreviouslist.Theplanningportionconsistsofdevelopingthefollowing:
Datamapping:organizethedatasourcestopreparethedatadictionary(adocumentthat
l
liststhevariousacceptableattributesforeachdatafield)andmaprequiredandoptional
attributesofBlackboardLearntothoseofinstitutionalsystems.TheBlackboardDataDic-
tionarybeginswithCategoryDataFeedElements.
Datalifecycle:generatebusinessrulesthatregulatehowdataishandled,forexample
l
whenrecordsareadded,removedorarchived.
Dataoperations:generaterulesthatgoverntheuseoftheintegrationtoolstotransfer
l
data,forexamplehowthesystemisinitiallypopulated,andhowitissynchronizedwith
othersystems.
Tips
Completethedataintegrationforoneinformationsystematatime;itisquickertoadda
l
secondauxiliarysystemafterthefirstisdone.
Whenplanningtheintegration,focusongettingthedataintothesystembeforedetermining
l
whentoremoveit.Inmostcases,institutionswillhaveawholesemesterorlongertocom-
pletetherulesfordisablingdatasotheplantoremoveitdoesnothavetobecompletedup
front.
Forassistanceinplanningdataintegration,pleasecontactBlackboardConsulting.
l
BlackboardLearnRelease9.1-ManagingServers-Page5
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
PlanningThroughStandardization>StandardizedStructures
Planning Through Standardization
Forsystemstobeabletoexchangedata,standardizedstructuresneedtobeinplace.Theinfor-
mationmodelusedbyBlackboardLearnisthatdefinedbytheInstructionalManagementSystem
(IMS)consortium.IMSisaglobaleffortwhoseprimaryobjectiveistodefineastandardizedsetof
structuresthatcanbeusedtoexchangedatabetweendifferentinstruction-basedsystems.IMShas
definedaninformationmodelandprovidedaspecificationfortransferofsuchdata.
Formoreinformation,visittheIMSWebsite:http://www.imsproject.org/.
Standardized Structures
ThestructureswithinBlackboardLearnthatarestandardizedtousetheIMSmodelforexchanging
dataallowforthesuccessfulmappingofaninstitution’sdataintoBlackboardLearn.Thefollowing
tabledetailsthesestructures.
Blackboard
LearnData IMS Data
Entity Entity Description
User Person AnenduserofBlackboardLearn,includingStudents,staff,and
others.
Course Group AninstanceofanonlineclassdeliveredthroughtheBlackboard
Learn,typicallyaCoursesection.
Organization Group Asiteforgroups,Organizations,clubs,andteamstohaveanonline
presence,shareinformation,engageinincreasedcommunication,
andcollaborateontasks.
Student Groupmem- TherecordestablishingaStudent’sparticipationinaCourseWeb
enrollment bership site.
StaffStudent Groupmem- Therecordestablishingastaffmember’sparticipationinaCourse
bership Websiteandtheirroleinthedeliveryofthecourse.
Organization Groupmem- Therecordestablishingauser’smembershipinanOrganizationand
membership bership theirroleintheorganization.
BlackboardLearnRelease9.1-ManagingServers-Page6
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
AboutVirtualizingtheBlackboardReferenceArchitecture >SupportedVirtualizationTechnologies
About Virtualizing the Blackboard Reference Architecture
Virtualizationisadeploymentstrategythatdistributesserverresourcesintoseparate,logicalenvi-
ronments.Whensystemsarevirtualized,alayerofsoftwareisabstractedsothatmorethanoneoper-
atingsystemandapplicationenvironmentcanoperateonthesamepieceofhardware.Multiplevirtual
machines(VMs)sharehardwareresourceswithoutinterferingwitheachother.
TheBlackboardReferenceArchitectureextendsvirtualizationtomakethebestuseoftoday’spow-
erfulhardware.Asorganizationsaddhardwaretotheirsystemswithmultipleprocessorsandmultiple
coresperprocessor,virtualizingthosesystemsisthenextlogicalstepinmaximizingthepotential
andefficiencyoftheseresources.
BlackboardencouragestheuseofvirtualizationasanextensionoftheBlackboardReferenceArchi-
tecture.Thecreation,maintenance,andtroubleshootingoftheVMenvironmentistheresponsibility
oftheclient.
Supported Virtualization Technologies
VMware®ESXServer4(Linux®andWindows®)istheonlyconfigurationCertifiedbyBlackboardfor
Release9.1.
BlackboardsupportsothervirtualizationsolutionsaslongasBlackboardandthehypervisorsupport
theguestoperatingsystem.
InadditiontoVMware,BlackboardhasexperiencewithSolaris™10ZonesandRedHat®Enterprise
Linux®4&5Xen™.
Benefits ofVirtualization
Themainbenefitsofvirtualizationare:
SaveMoney:Virtualizedsystemsreduceoverallhardwarecostsbecausethehardware
l
canbeusedmoreefficiently.Usingfewerserversmeansthereislesssupportingphysical
infrastructure.Theresultislesspowerdrawntorunhardwareandlowercoolingrequire-
ments.ThisallowsorganizationstheflexibilitytoexpandtheirITinfrastructureatanappro-
priatepace.
SavetheEnvironment:Reducingthenumberofserversinadatacenterreducesthe
l
energyfootprintoftheimplementation.Fewerserversrequirelessfloorspace,aircon-
ditioning,racks,networks,wire,cables,powersupplies,andbackupsystems.Thecost
savingscanbesignificantwhenaddinguptheamountfortheservers,themonitors,and
theairconditioningrequiredforkeepingthemcool.
AchieveHigherLevelsofAvailability/ BusinessContinuity:Virtualizationminimizes
l
serverdowntime.AcrashcanoccurwithinaVMandnotimpacttheotherVMsonthe
sameserver.ThisallowsanorganizationtoshutdownindividualVMswithoutinterfering
withtheuseofotherapplications.VMscansavehoursofdowntimerelatedtorecoveryto
generalmaintenance.Theabilitytomoveserversbetweenhardwarecansimplify
upgrades.
BlackboardLearnRelease9.1-ManagingServers-Page7
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
VirtualizingtheBlackboardReferenceArchitecture >PortRequirements
Virtualizing the Blackboard Reference Architecture
Blackboardsupportsloadbalancingacrossapplicationserversbutdoesnotsupportanyspecifichard-
wareloadbalancer.Thesegeneralrecommendationscanbeusedtoconfigureyourloadbalancerof
choicetoworkbestinyourparticularenvironment.
NoteSSLoff-loadingisnotsupportedbyBlackboard.
PortRequirements
Usethefollowingportswhenconfiguringyoursystem:
HTTP:80
l
HTTPS:443
l
CollaborationServer:8010and8011(Optional:8443iftheCollaborationServerisusing
l
SSL)
Identifying the ServerforTroubleshooting Purposes
Foreachserver,createastaticserver.htmlpagethatdisplaysitsidentifyinginformation.Placeallof
thepagesinthe/blackboard/docsdirectory.Toviewtheserver.htmlpageforthecurrentserver,goto
thefollowingURL:http://blackboard.yourschool.edu/server.html.
Persistence Requirements
Blackboardrecommendsconfiguringtheloadbalancerforcookie-insert-basedsessionaffinity.The
Blackboardsessioncookieshouldbeusedonlyasanalternativetothecookie-insertmethod.
Health Check
BlackboardrecommendsmonitoringTomcat,Apache(Linux),andIIS(Windows)forlivelinessto
ensurethattheloadbalancerissendingtraffictoapplicationserversthatareabletohandlethetraffic.
Health Check Interval
Whenperformingahealthcheck,itisimportanttosetahealthcheckintervalthatisfrequentenough
tomaintainthehealthoftheapplication,butnotsofrequentthatitaffectsperformance.Whena
healthcheckfailsforaspecificapplicationserver,theloadbalancerredistributesthetrafficthatwas
boundforthatservertotheremainingavailableservers.Thisintervalshouldbeoptimizedtoensure
thathealthynodesdonotinadvertentlyfailthehealthcheckduringafullgarbagecollectionbythe
JVM.Blackboardconsidersintervalssuchasoneminuteor.1secondsasextremevaluesandrec-
ommendsthattheybeavoided.Blackboardrecommendsstartingwithahealthcheckintervalof20
secondsandblockingtraffictoanodeafterthreefailures(60seconds).
Idle Timeout
Blackboardrecommendsthatabrowsersessioncookiebeinsertedattheloadbalancersothatthe
sessioncookiedoesnottimeoutuntiltheuserclosestheirbrowser.Theidletimeoutoftheper-
sistencecookieinsertedattheloadbalancershouldbesettogreaterthantheBlackboardsession
timeout.
Distribution Methods
Differentalgorithmscanbeusedtodeterminedistributionmethods.“Roundrobin”and“leastcon-
nections”arethetwomostcommonloadbalancingmethodsused.Toavoidoverloadinganysingle
BlackboardLearnRelease9.1-ManagingServers-Page8
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
VirtualizingtheBlackboardReferenceArchitecture >CollaborationServer
serverinthecluster,selectthemethodthatwillensurethateachapplicationserverreceivesapprox-
imatelythesameamountoftraffic.
Collaboration Server
TheCollaborationServerisastandaloneservicethatprovideschatandvirtualclassroomservices.
OnlyoneCollaborationServercanbeavailableinanenvironment.Attemptingtoloadbalancemul-
tipleCollaborationServerswillresultinusersbeingisolatedfromeachotherondifferentservers.
Whenconfiguringyourloadbalancedenvironment,youmustchooseoneBlackboardapplication
servertoalsoruntheCollaborationServer.
Standard Collaboration Server Configuration
Inthestandardconfiguration,theCollaborationServercanbeconnectedtodirectlythroughanexter-
nalhostname.
HowtoUsetheStandardConfiguration
1. OneachBlackboardLearnapplicationserver,setthefollowingparametersinthebb-
config.propertiesfile:
a. Setbbconfig.config.collabserver.fullhostname.defaultto
thefullyqualifiedhostnameoftheCollaboration Server.
b. Setbbconfig.collabserver.run.on.localhosttofalse.
2. OntheCollaborationServer,inthebb-config.propertiesfile,setbbcon-
fig.collabserver.run.on.localhosttotrue.
AlternateCollaboration Server Configuration
Alternatively,theCollaborationServercanbeconfiguredtobeavailablethroughtheloadbalancer.
ThiscanbeusefulbecausethestandardconfigurationmightmakeitnecessarytochangeIPcon-
figurationsorwaitforDNSupdatesintheeventofahostfailure.
NoteIntheeventofaCollaborationServicefailovertoanotherhost,allexistingsessionswillbelost.
HowtoUsetheAlternateConfiguration
1. Ontheloadbalancer,configuretheCollaborationServertobeavailableonports8010
and8011asIP layer 4 services.
2. OneachBlackboardLearnapplicationserver,setthefollowingparametersinthebb-
config.propertiesfile:
a. Setbbconfig.config.collabserver.fullhostname.defaultto
thefullyqualifiedhostnameoftheBlackboardloadbalancedaddress.
b. Setbbconfig.collabserver.run.on.localhosttofalse.
3. OntheCollaborationServer,inthebb-config.propertiesfile,setbbcon-
fig.collabserver.run.on.localhosttotrue.
Blackboard SystemTasks
CertainBlackboardsystemtasksneedtobeexecutedononlyoneserver,whileothertasksneedto
beexecutedonallservers.Thesetasksareoutlinedandconfiguredintheblackboard/config/bb-
tasks.xmlfile.
On AllApplication Servers
Thefollowingtasksmustberunoneachapplicationserver:
BlackboardLearnRelease9.1-ManagingServers-Page9
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.
VirtualizingtheBlackboardReferenceArchitecture >BlackboardSystemTasks
bb.db.cache
l
bb.task.queue
l
bb.systeminfo.reporting
l
bb.portal.integration.poolmanagementstartup
l
On OneApplication Server
Thefollowingsystemtasksneedtoberunononeapplicationservertooptimizeperformance:
bb-db.cache
l
bb.portal.channel.update
l
bb.scheduled.report.queuer
l
bb.cartridge.download
l
bb.portal.emailnotification
l
bb.session.invalidation
l
bb.disk_usage
l
bb.portal.includeUrl.update
l
bb.stats.purging
l
bb.distribution.sendnotification
l
bb.portal.integration.poolmanagementstartup
l
bb.systeminfo.reporting
l
bb.domain.calculation
l
bb.quota.notification
l
bb.task.queue
l
bb.ew.refresh.all.rules
l
bb.remove.stale.notification.data
l
bb.tracking.report
l
bb.log.rotation
l
bb.scheduled.workflow.queuer
l
bb.remove.stale.notification.data
l
bb.distribution.sendnotification
l
bb.ews.refresh.all.rules
l
NoteThebb-task.xmlfilewillberesettoitsdefaultsettingswhenyouinstallanyBlackboardLearn
softwarepatchorupgrade.Youmustmakethedesiredchangestothisfileaftereverysoftwarepatch
orupgrade.
BlackboardLearnRelease9.1-ManagingServers-Page10
©2010BlackboardInc.ProprietaryandConfidential.U.S.PatentNo.6,988,138.AdditionalPatentsPending.