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Compaq AA-Q88CE-TE manual Server Shadowing and Recovery Server States, Figure B-2 Server States

Models: AA-Q88CE-TE

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Server Shadowing and Recovery

B.9 Server States

Figure B–2 Server States

INITIAL

Backendnot	ProposeKR						Secondary
yet quorate	to Routers						Secondary
	WAIT−TR−RETRY			SECONDARY			node failure
				SECONDARY
				STANDBY
				STANDBY
WAIT_QUORUM	Retry	Router detects		Secondary		Primary site
WAIT_QUORUM		Router detects		Secondary		Primary site
		definition clash		alreadyactive		failure
ProposeKR				in cluster
to Routers	WAIT−TR−OK				STANDBY
	WAIT−TR−OK
			KR already
	Error		KR already
	Error		active on
			active on
	Proposal accepted		anotherCPU
Server declaration	− commit KR
Server declaration					Primary node
rejected					Primary node
rejected					failure
					failure
		WAITRESTART
Legend:		Router sends
KR Key range		Router sends		Inaccessible
KR Key range		listofrecovery
TX Transaction		listofrecovery
TX Transaction		Journals		Journal
TR TX Router		Journals		Journal
TR TX Router
		RESTART		Journal		WAIT−JNL
		Journal recovery		Journal
		Journal recovery		becomes
Non−shadowed		datafound(ifany)		accessible
Primary				Inaccessible
				Inaccessible
				Journal
		RECOVERING				WAIT−RVY
	NoSecondary		Primary	Journal
	Journal recovery			Journal
	Journal recovery			becomes
	datafound(ifany)		active	becomes		Inaccessible
	datafound(ifany)		active	accessible		Inaccessible
		No Primary				Journal
	REMEMBER			CATCHUP			WAIT
						Journal	CATCHUP
			Primary	Primary		becomes
	Secondary is			Primary		accessible
	Secondary is			active		accessible
	ready		failure	active
			failure

	ACTIVE			SECONDARY
						DD CDS 8−NOV−1991 17:23:35

Server Shadowing and Recovery B–7

Image 271

Compaq AA-Q88CE-TE manual Server Shadowing and Recovery Server States, Figure B-2 Server States

Contents

Reliable Transaction Router System Managers Manual June Contents RTR Monitoring Transaction ManagementRTR Command Line Interface 105 100103 104XA Support Server Shadowing and RecoveryRTR Utility Error Messages RTR log messages Index Examples Creating Monitor PicturesTables Arithmetic Operators in Display Commands Page Intended Audience Purpose of this ManualStructure of Document Readers Comments Related DocumentationConventions Convention Meaning Conventions Used in this GuidePage Getting Started Entering CommandsOnline Help Introduction Entering CommandsRtralrsta Command ProceduresRemote Commands Introduction Online HelpIntroduction Remote Commands Introduction Setting Up-An ExampleFrontendsFERoutersTRBackendsBE Starting and Setting Up RTR Setting Up-An ExampleExample 2-1 Local Conﬁguration of each Node Example 2-2 Remote Setup from one Node Creating a Recovery JournalChanging a Facility Starting and Setting Up RTR Creating a Recovery JournalExample 2-3 Reconﬁguration Using Delete and Create Facility Starting and Setting Up RTR Changing a FacilityO N T E N D S U T E R S Example 2-4 Reconﬁguration Using Extend Facility Setting up Callout ServersRouter Load Balancing Starting and Setting Up RTR 2.5 Setting up Callout ServersExample 2-5 Conﬁguration of Callout Servers Setting RTR Privileges on Unix Systems Starting and Setting Up RTR Router Load BalancingRTR Privileges RTR ACP Virtual Memory Sizing Starting and Setting Up RTR RTR PrivilegesSetting RTR Privileges on OpenVMS Systems Setting RTR Privileges on Windows NT SystemsAstlm Biolm Diolm Fillm Pgflquota Starting and Setting Up RTR RTR ACP Virtual Memory SizingUnix Virtual Memory Sizing Specifying the Link Transport Protocol Network TransportsAnonymous Clients Using the Tunnel PreﬁxTroubleshooting Tunnel and Wildcard Connections TCP Services FileInteroperation with RTR Version 2 Using DECnet Starting and Setting Up RTR Network TransportsNetwork Protocol Selection on OpenVMS Running RTR as a Service on Windows NT$ DEFINE/SYSTEM Rtrprefprot Rtrdnafirst Files Created by the RTR Windows NT Service Role Assignment for Backend Node Partitions How RTR Selects Processing-states Roles for NodesActive Router Backend a Backend B Show Partition command on each backend node is as followsSET Partition test/PRIORITYLIST=bronze,gold Router Site a Node-A1 Site B Node-B1 Node-A2 Node-B2 Router SelectionRTR Create Facility test/FRONTEND=Z/ROUTER=A,B,C What is Partition Management? What is a Partition?Overview Life Cycle of a Partition Partition NamingExplicit Partition Creation Binding Server Channels to Named PartitionsPersistence of Partition Deﬁnitions Programmed Partition Management Entering Partition CommandsPartition Management Entering Partition Commands Command Line UsageProgramming Information Command Line ExampleManaging Partitions Controlling ShadowingExample usage of the qualiﬁers Controlling RecoveryControlling the Active Site Partition Management Managing PartitionsChar Controlling FailoverRtruns32t newLimit Controlling Transaction ReplayDisplaying Partition Information RTR$DEFAULTFACILITYPartition Management Displaying Partition Information Transaction Management Transaction Management Overview Command Line ExamplesException Transactions 19 Valid Transaction State Transitions Transaction Management Overview Transaction State Changes4Transaction Management Standard Monitor Pictures RTR MonitoringStandard Monitor Pictures RTR Monitoring Standard Monitor PicturesCont Standard Monitor Pictures Dmark DEC.ZKO.DMARK Monitor Accfail Link Acceptance FailuresMonitor ACP2APP PID -ALL RTR Monitoring Standard Monitor Pictures Monitor ActiveMonitor APP2ACP Monitor BroadcastCalls RTR Monitoring Standard Monitor Pictures Monitor CallsMonitor Channel Monitor ConnectsMonitor Facility Monitor EventMonitor Group RTR Monitoring Standard Monitor Pictures Monitor FlowMonitor Group Fields Monitor Ipcrate RTR Monitoring Standard Monitor Pictures Monitor IPCMonitor Journal Monitor Netbytes Monitor LinkMonitor Partit RTR Monitoring Standard Monitor Pictures Monitor NetstatMonitor Partition States Monitor Quorum Monitor RecoveryNodea RTR$DEFAULTFACILITY Monitor QueuesMonitor Rejects Monitor Recovery StatesMonitor Rejects Fields Monitor Rejhist Fields RTR Monitoring Standard Monitor Pictures Monitor RejhistMonitor Response Process 38009A8BQuorum Counts by Facility 7-JAN-1999 143248, Node -ALL RTR Monitoring Standard Monitor Pictures Monitor RolequorumMonitor Routers Monitor RoutingMonitor RTR RTR Monitoring Standard Monitor Pictures Monitor RscbeRTR Monitoring Standard Monitor Pictures Monitor Stalls Type Monitor Connects RTR Monitoring Standard Monitor Pictures Monitor SystemServers RTR Monitoring Standard Monitor Pictures Monitor TPSMonitor Trafﬁc Monitor TransMonitor XA RTR Monitoring Standard Monitor Pictures Monitor V2CALLSMonitor XA Page RTR Command Reference RTR Command Line InterfaceADD Facility Call Rtraccepttx Call RtraccepttxFormat DescriptionIndependent Noindependent CHANNELNAME=RTR$DEFAULTCHANNELQualiﬁers Forget NoforgetAccept the current transaction with a reason Related CommandsMessage-ﬁeld1 ,message-ﬁeld2 Call RtrbroadcasteventParameters Call Rtrbroadcastevent message-ﬁeld1 ,message-ﬁeld2CHANNELNAME=channel-name Parameters for rtrbroadcasteventEVENTNUMBER=user-event-number TYPEOFDATA=STRING Signed Unsigned /TYPEOFDATA=STRING D Generated Format StringsLENGTHOFFIELD=ﬁeld-length RECIPIENTSPEC=rcpspcCall Rtrbroadcastevent Call Rtrclosechannel Call RtrclosechannelParameters for rtrclosechannel This command closes the channel named ``client1 Immediate IMMEDIATE=RTR$DEFAULTCHANNELSTATUS=status-code No default Call RtrerrortextCall Rtrerrortext Parameters for rtrerrortextCall Rtrgettid Call RtrgettidParameters for rtrgettid Tid e100b810,0,0,0,0,3bc5,6eb02001 Call Rtropenchannel Call RtropenchannelParameter Name Parameter Value Example Parameters for rtropenchannelConcurrent D Noconcurrent Client NoclientKEYn=keysegdesc FACILITY=RTR$DEFAULTFACILITY DFACILITYNAME=facility-name HIGHBOUND=high-bound HIGHBOUND=max-val-for-key-type DLOWBOUND=low-bound LOWBOUND=min-val-for-key-type D Standby D Nostandby PARTITIONNAME=partition-nameCall Rtrclosechannel Call Rtrpreparetx Call RtrpreparetxParameters for rtrpreparetx DATA=0 DATA=dataPrepare the current transaction with a reason Call Rtrreceivemessage Call RtrreceivemessageParameters for rtrreceivemessage 26RTR Command Line Interface Msgsb msgtype msglen usrhdl 0 tid Call Rtrrejecttx Call Rtrrejecttx10 Parameters for rtrrejecttx Call Rtropenchannel Call Rtraccepttx Reject the current transaction with a reason Call Rtrreplytoclient message-ﬁeld1 ,message-ﬁeld2 Call RtrreplytoclientAccept Noaccept 11 Parameters for rtrreplytoclient12 Generated Format Strings Following example replies a message to the client Call Rtrrequestinfo Call Rtrrequestinfo13 Parameters for rtrrequestinfo SELVAL=item-value No default GETITM=item-name,item-name... No defaultINFCLA=infoclass No default SELITM=item-name No defaultRTR Call RTRRECEIVEMESSAGE/CHANNEL=INFOCHAN/TIMEOUT Call Rtrsendtoserver message-ﬁeld1 ,message-ﬁeld2 Call RtrsendtoserverMessage-ﬁeld ,message-ﬁeld2 Expendable Noexpendable 14 Parameters for rtrsendtoserverReadonly Noreadonly 15 Generated Format StringsExamples Nested Transaction Usage Call RtrstarttxCall Rtrstarttx 16 Parameters for rtrstarttxDdtm JOINTXID=txid-numberNojointxid TxidtypeCall Rtrrejecttx Call Rtraccepttx Clear Clear=column =row 46RTR Command Line Interface Create Facility facilityname Create FacilityFacilityname Default for role-list is ROUTER,BACKEND RESOURCEMANAGER=resource-list 50RTR Command Line Interface Create Journal disk-1 ... ,disk-n Create JournalDisk-1, ... disk-n Unix 17 Platform Speciﬁc InformationDelete Journal Modify Journal Show Journal Partitionname Create PartitionPartitionname Facility Create Facility SET Partition Key names Define /KEYDefine /KEY key-name equivalence-string Key-nameEcho D Noecho Equivalence-stringRTR Define /KEY PF1 Create /TERMINATE /IFSTATE=GOLD /ECHO RTR Define /KEY PF3 Show RTR /TERMINATERTR PF3 RTR Define /KEY PF1 Help /SETSTATE=GOLD /NOTERMINATE /ECHO60RTR Command Line Interface Delete Facility facilityname Delete FacilityCreate Facility Show Facility Delete Journal Delete Journal64RTR Command Line Interface Delete Partition Create Partition Show Partition Display BAR expression Display BARExpression Noaverage AVERAGE=keywordCHARACTER=char Noseparate SEPARATE=keywordNototalize TOTALIZE=keyword=column =previous-column D Display Numeric expression Display NumericDECIMALS=decimal-places /DECIMALS=0 D KeywordMeaning =column /X=previous-column D 76RTR Command Line Interface Display String expression Display String78RTR Command Line Interface WIDTH=ﬁeld-width /WIDTH=0 D 80RTR Command Line Interface Display Symbolic expression text-string ,text-string Display Symbolic82RTR Command Line Interface Display Text text Display TextText Node Nonode Related Commands DCL-command Do operating-system-commandRTR DO/CLUSTER Show Time ExampleRTR DO/NODE=TR2,TR1 Show Logical Mylogical Flush Namecache Flush NamecacheExecute ﬁle-spec Executeﬁle-spec Exit ExitExtend Facility facilityname Extend FacilityROUTER=FETRBE $ RTR RTR SET Environment /NODE=FE,FETRBEBACKEND=FETRBE $ RTRDefault for role-list is ROUTER,BACKEND Create Facility Delete Facility Show Facility Trim Facility Initialize Journal LOG LOGRTR LOG/OUTPUT=RTRLOG.LOG Message check here Modify Journal disk-1 ... ,disk-n Modify JournalDisk-1 ... disk-n RTR Modify Journal DISK1$/BLOCKS=3000/MAXIMUMBLOCKS=20000 OpenVMS ExampleMonitor monitor-ﬁle-spec MonitorMonitor-ﬁle-spec Noidentification D IDENTIFICATION=process-idRTR Monitor TRAFFIC/COUNT=10/OUTPUT=PICTURE.LIS Quit QuitCommand-speciﬁer Recall command-speciﬁerRecall Resourcename Register Resource Manager Register RMResourcename 106RTR Command Line Interface Amount ScrollScroll direction amount DirectionNODE=node-list SET EnvironmentSET Environment ClusterSET Facility facility-name SET FacilityBalance Nobalance RTR SET Facility FINANCE/BALANCE RTR SET Facility FINANCE/QUORUMTHRESHOLD=4SET Link link-name SET LinkEnable Disable Suspect Nosuspect RTR SET Link JOEY/AUTOISOLATE RTR SET Link JOEY/ENABLESET LOG SET LOGRTR SET LOG/NOFILE/NOOPERATOR RTR SET LOG/FILE=RTRLOG.LOG/OPERATORRTR SET LOG/OPERATOR Nogroup SET ModeSET Mode GROUP=user-idRTR SET MODE/NOGROUP RTR SET MODE/GROUPSET node SET NodeRTR SET Node /NOISOLATE SET Partition partition-name SET PartitionPartition-name Resume RECOVERYRETRYCOUNT=nRestartrecovery PRIORITYLIST=backend-node-listSuspend TimeoutSET Transaction transaction-id SET TransactionBEFORE=date Facility FACILITY=RTR$DEFAULTFACILITY DUsage Notes Transaction-id19 Valid Transaction State Changes NewstateSINCE=date RTR SET Transaction /NEW=ABORT /CURRENT=VOTED /PART=DBPART Show Channel channel-name Show ChannelChannel-name CLICHN2 RTR$DEFAULTCHANNELRTR Show CHANNEL/ALLWINDOWS ClichnShow Client Show ClientFull none D TEST43 RTR Show CLIENT/FULLCLI Show Display Show Display=column /Y=row WIDTH=9 RTR MON Calls RTR Show DISPLAY/ALLDisplay Numeric BlankShow Environment Show EnvironmentRTR SET ENVIRONMENT/NODE=FE2,FE3 RTR Show Environment Show Facility facility-name Show FacilityFacility-name State Nostated Link to Airola Frontend Yes Router Backend RTR Show FACILITY/FULL/NODE=BRONZERTR Show FACILITY/BALANCE Show Journal Show JournalCreate Journal Delete Journal Initialize Journal Show KEY key-name Show KEYRTR Show KEY/FULL Show Link node-name Show LinkNode-name RTR Show LINK/FULL Iron FullShow LOG Show LOGRTR Show LOG Show Mode Show ModeRTR Show Mode Show Node Show NodeRTR Show Node Show Partition Show Partition20 Key-Range States 21 Router Partition States RTR Show PARTITION/BACKEND RTR Show PARTITION/ROUTER/FULLShow Partition Show Process Show ProcessProcesses Process-id Process Name Show Requester Show RM resourcename Show Resource Manager Show RMRmid Show RTR Show RTRRTR Show RTR Status D NostatusShow Segment Show SegmentRTR$DEFAULTFACILITY Unsigned Testfac Signed Show Server Show Server22 Key-range States Server Flags Lowerserv RTR Show ServerSRV RTR Show SERVER/FULLShow Transaction Show Transaction24 Transaction Invocation Types 25 Key-Range States Original Key-Range StatesRTR Show TRANSACTION/BACKEND/FULL ReceivingNoutput Spawn operating-system-commandOperating-system-command SpawnStart RTR Start RTRBIOLM=io-buffered ASTLM=ast-limit174RTR Command Line Interface PRCLM=subprocess-limit /PRCLM=10 D Show RTR Stop RTR Stop RTR Stop RTRAbort Show RTR Start RTR Trim Facility facilityname Trim FacilityFRONTEND=frontend-list RTR RTR SET Environment /NODE=FE,FETRBE,NFENofrontend D Unregister Resource Manager Unregister RM Table A-1 Information Classes Creating Monitor PicturesExample A-1 Interactive Picture Deﬁnition Interactive Deﬁnition of a Monitor PictureTest Picture AT Some Data Item Other Data Item Substitution SymbolsTable A-2 Substitution symbols Arithmetic Expressions and OperatorsExample A-2 Arithmetic Operators Examples Table A-3 Arithmetic Operators in Display CommandsSome output has been omitted for clarity Aggregation of Data ItemsPage Primary and Secondary Roles Automatic FeaturesShadow Events RTR Journal System Server Shadowing and Recovery Automatic FeaturesShadow Site Failure and Journaling Server Shadowing and Recovery RTR Journal SystemPerformance Standby for ShadowsShadows in Action Server Shadowing and Recovery PerformanceApplication Considerations Server States Server Shadowing and Recovery Application ConsiderationsCHAN2 Figure B-2 Server States Server Shadowing and Recovery Server StatesCHAN3 Server Shadowing and Recovery Client StatesClient States Requester State TransitionsPartition States Server Shadowing and Recovery Partition StatesPage XA Support New Qualiﬁer to Create Facility CommandRTR Open Channel Microsoft DTC SupportXA Support Introduction Modiﬁed RTR APIRTR Utility Error Messages RTR Utility Error Messages RTR Utility Error Messages D-3 4RTR Utility Error Messages RTR Utility Error Messages D-5 6RTR Utility Error Messages RTR Utility Error Messages D-7 8RTR Utility Error Messages RTR Utility Error Messages D-9 Explanation RTR Utility Error Messages D-11 12RTR Utility Error Messages RTR Utility Error Messages D-13 Blocks RTR Utility Error Messages D-15 16RTR Utility Error Messages RTR Utility Error Messages D-17 18RTR Utility Error Messages RTR Utility Error Messages D-19 20RTR Utility Error Messages RTR Utility Error Messages D-21 22RTR Utility Error Messages RTR-S-RTRLOGENT, a 24RTR Utility Error Messages RTR Utility Error Messages D-25 26RTR Utility Error Messages RTR log messages 2RTR log messages RTR log messages E-3 4RTR log messages RTR-I-FACSTOPPED, Facility a stopped on local node 6RTR log messages RTR-I-LOGFILENT, a a a 8RTR log messages RTR log messages E-9 10RTR log messages RTR log messages E-11 12RTR log messages RTR log messages E-13 Page Index Index-2 Index-3 Index-4