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HP NonStop NS manual 10-2, 10-3, 10-4, 10-5, 10-9, 10-10, 10-11, 10-12

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Contents10. Disk Drives: Monitoring and Recovery

Recovery Operations for Processors		9-9
Recovery Operations for a Processor Halt			9-9
Halting One or More Processors		9-10
Reloading a Single Processor on a Running Server				9-10
Recovery Operations for a System Hang			9-14
Enabling/Disabling Processor and System Freeze				9-15
Freezing the System and Freeze-Enabled Processors					9-15
Dumping a Processor to Disk	9-15
Backing Up a Processor Dump to Tape9-19
Replacing Processor Memory	9-19
Replacing the Processor Board and Processor Entity					9-19
Submitting Information to Your Service Provider9-19
Related Reading9-22

10. Disk Drives: Monitoring and Recovery

When to Use This Section10-1
Overview of Disk Drives	10-2
Internal SCSI Disk Drives		10-2
M8xxx Fibre Channel Disk Drives			10-3
Enterprise Storage System (ESS) Disks				10-3
Monitoring Disk Drives	10-4
Monitoring Disk Drives With OSM			10-4
Monitoring Disk Drives With SCF			10-5
Monitoring the State of Disk Drives			10-9
Monitoring the Use of Space on a Disk Volume					10-9
Monitoring the Size of Database Files				10-9
Monitoring Disk Configuration and Performance					10-10
Identifying Disk Drive Problems		10-11
Internal SCSI Disk Drives		10-11
M8xxx Fibre Channel Disk Drives			10-11
Recovery Operations for Disk Drives			10-12

Recovery Operations for a Down Disk or Down Disk Path10-14

Recovery Operations for a Nearly Full Database File10-15

Related Reading10-15

HP Integrity NonStop NS-Series Operations Guide— 529869-005

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HP NonStop NS manual 10-2, 10-3, 10-4, 10-5, 10-9, 10-10, 10-11, 10-12

Contents

Abstract Product Version Supported Release Version Updates RVUsPart Number Published Document History Part Number Product Version Published Introduction to Integrity NonStop NS-Series Operations HP Integrity NonStop NS-Series Operations GuideDetermining Your System Configuration Monitoring EMS Event Messages ServerNet Resources Monitoring and Recovery 10-5 10-210-3 10-411-8 11-111-2 11-5Power Failures Preparation and Recovery 15-22 15-1915-20 15-21Preventive Maintenance Related Reading Converting Numbers Figures ExamplesTables Document History What’s New in This ManualManual Information New and Changed InformationXiv Who Should Use This Guide About This GuideConverting Numbers What Is in This GuideServerNet Cluster Manual Where to Get More InformationGeneral Syntax Notation Support and Service LibraryNotation Conventions Hypertext LinksInspect OFF on Saveabend MaxattachInterrupts Allowsu on OFFEnter RUN Code Notation for MessagesCode Received Operator Backup UpEvent number = number Subject = first-subject-value Proc-nametrapped in SQL in SQL file systemChange Bar Notation Introduction to Integrity NonStop NS-Series Operations What Are the Operator Tasks? When to Use This SectionMonitoring the System and Performing Recovery Operations Understanding the Operational EnvironmentPerforming Preventive Maintenance Preparing for and Recovering from Power FailuresStopping and Powering Off the System Powering On and Starting the SystemUpdating Firmware Determining the Cause of a Problem a Systematic ApproachResponding to Spooler Problems Problem-Solving WorksheetProblem Facts Possible Causes Problem-Solving WorksheetSituation Facts Escalation Decision Category Questions to Ask Task 1a Determine the Facts About the ProblemTask 1 Get the Facts Task 1b Determine the Facts About the SituationTask 2a Identify the Most Likely Cause Task 2 Find and Eliminate the Cause of the ProblemTask 3b Provide Documentation Task 2b Fix the Most Probable Cause of the ProblemTask 3 Escalate the Problem If Necessary Task 3a Determine Whether You Need to Escalate the ProblemLogging On to an Integrity NonStop Server Task 4 Prevent Future ProblemsSystem Consoles Select StartProgramsOutsideView32 Opening a Tacl WindowOpening a Tacl Window Directly From OutsideView Opening a Tacl Window From the Low-Level LinkLaunching OSM Applications Overview of OSM ApplicationsService Procedures Determining Your System Configuration Integrity NonStop NS16000 Systems Modular Hardware ComponentsIntegrity NonStop NS1000 Systems Integrity NonStop NS14000 SystemsSystem Resource or Object Recording Your System ConfigurationTerms Used to Describe System Hardware Components DeviceSCF Configuration Files Using SCF to Determine Your System ConfigurationSCF System Naming Conventions Save Configuration Using SCF to Display Subsystem Configuration InformationSCF Assume WS $L1.#TERM1 SCF Listdev Listing the Devices on Your System Example 2-1. SCF Listdev Command OutputSCF Listdev Specified device Backup processor number and PIN of the specified deviceSubsystem Name Logical Name Device Type Description Displaying Information for the TCP/IP Subsystem $ZTCO Displaying SCF Configuration Information for SubsystemsTCP/IP Subsystem SCF Assume Process $ZTCODisplaying Information for the Kernel Subsystem $ZZKRN Kernel SubsystemStorage Subsystem SCF Assume Process $ZZKRNCbpoollen Example 2-2. SCF ADD Disk Command OutputInfo Disk $SYSTEM,OBEYFORM Mirrorlocation 11,1,12SCF Assume Process $ZZLAN ServerNet LAN Systems Access Slsa SubsystemADD Adapter $ZZLAN.E0154 Location Type G4SA Accesslist Info Tape $*,OBEYFORMSubsystem Objects Controlled by SCF page 1 WAN SubsystemAdditional Subsystems Controlled by SCF Displaying Information for the WAN Subsystem $ZZWANX25AM Subsystem Objects Controlled by SCF page 2Info Proc $ZZKRN.# Displaying Configuration Information-SCF ExamplesExample 2-3. SCF Info Process Command Output Example 2-4. SCF Info SAC Command OutputInfo Line $line-name, Detail Example 2-5. SCF Info Process $ZZWAN Command OutputExample 2-6. SCF Info Line Command Output Info Process $ZZWANOverview of Monitoring and Recovery Functions of Monitoring Working With a Daily ChecklistMonitoring Tasks Task Operator’s name Date & time Tools for Checking the Status of System HardwareMonitoring System Components Monitored Using These Resource Tools SeeServerNet Cluster 6770 Hardware Additional Monitoring Tasks Daily Tasks ChecklistGeneral Tasks Specific Tasks For More Information, See Top-Down Approach Monitoring and Resolving Problems-An ApproachUsing OSM to Monitor the System Using the OSM Service ConnectionOSM Management System Icons Indicate Problems Within Expanding the Tree Pane to Locate the Source of Problems Attributes Tab Using System Status Icons to Monitor Multiple SystemsAlarm Summary Dialog Box Using Alarm and Problem SummariesMonitoring Problem Incident Reports Using SCF to Monitor the SystemSuppressing Problems and Alarms Recovery Operations for Problems Detected by OSMDetermining Device States Example 3-1. SCF Status Tape CommandSCF Object States page 1 SCF Object StatesState Substate Explanation Servicing Special SCF Object States page 2Automating Routine System Monitoring Example 3-2. System Monitoring Command FileExample 3-3. System Monitoring Output File page 1 Example 3-3. System Monitoring Output File page 2 Example 3-3. System Monitoring Output File page 3 Status LEDs and Their Functions page 1 Using the Status LEDs to Monitor the SystemLocation LED Name Color Function FC-AL I/O Status LEDs and Their Functions page 2Task Tool For information, see Related ReadingStatus LEDs and Their Functions page 3 Related Reading for MonitoringViewPoint on What Is the Event Management Service EMS?Monitoring EMS Event Messages Tools for Monitoring EMS Event MessagesRelated Reading for Monitoring EMS Event Messages OSM Event ViewerViewPoint Web ViewPointTypes of Processes Processes Monitoring RecoverySystem Processes Generic Processes Processes IOPsMonitoring System Processes Monitoring ProcessesMonitoring the Status of All Generic Processes Monitoring IOPsMonitoring Generic Processes Monitoring the Status of $ZZKRNCLCI-TACL $CLCI Stopped PID Supported for the subsystem manager processes Recovery Operations for ProcessesInitiates the operation of a generic process Communications Subsystems Communications Subsystems Monitoring and RecoveryLocal Area Networks LANs and Wide Area Networks WANs Object Connectivity By LAN Service Provider Subsystems SupportedTo monitor the status of an adapter Monitoring Communications Subsystems and Their ObjectsMonitoring the Slsa Subsystem Monitoring the Status of an Adapter and Its ComponentsSCF Status PIF pif-name SCF Status Adapter $ZZLANSCF Status SAC sac-name SCF Status SAC $ZZLAN.G11123SCF Status LIF $ZZLAN.L11021A , Detail Monitoring the WAN SubsystemMonitoring Status for a Swan Concentrator SCF Status PIF $ZZLAN.G11123SCF Status Device $ZZWAN.#device-name Monitoring Status for a Data Communications DeviceSystem displays a listing similar to SCF Status Adapter $ZZWANSCF Status Process $ZZWAN To monitor a single WANBoot process, typeSCF Status Process $ZZWAN.#boot-process Monitoring WAN ProcessesSCF Listdev Tcpip Monitoring CLIPsMonitoring the NonStop TCP/IP Subsystem Monitoring the NonStop TCP/IP ProcessSCF Status Route $ZTCO Monitoring NonStop TCP/IP RoutesMonitoring NonStop TCP/IP Subnets Monitoring Line-Handler Process StatusInfo Process $NCP, Lineset SCF Status Line $LHCS6S, DetailTracing a Communications Line Related Reading for Communications Lines and Devices page 1 Recovery Operations for Communications SubsystemsFor Information About Refer to Related Reading for Communications Lines and Devices page 2 WAN Subsystem Configuration and Management ManualServerNet Communications Network ServerNet Resources Monitoring and RecoveryIntegrity NonStop NS16000 System Integrity NonStop NS16000 ServerNet ConnectivityIntegrity NonStop NS14000 System with Ioam Enclosure Integrity NonStop NS14000 ServerNet ConnectivityMonitoring the Status of the ServerNet Fabrics System I/O ServerNet ConnectionsIntegrity NonStop NS1000 ServerNet Connectivity Monitoring the ServerNet Fabrics Using OSM SCF Status Servernet $ZSNET Monitoring the ServerNet Fabrics Using SCFNormal ServerNet Fabric States Identifying ServerNet Fabric ProblemsRecovery Operations for a Down Processor Recovery Operations for the ServerNet FabricsRecovery Operations for a Down Disk Due to a Fabric Failure Recovery Operations for a Down Path Between ProcessorsAdapters and Modules Monitoring and Recovery Fibre Channel ServerNet Adapter Fcsa Adapters and ModulesGigabit Ethernet 4-Port Adapter G4SA Port ServerNet Extender 4PSE Monitoring I/O Adapters and ModulesSCF Status Adapter $ZZSTO.#FCSA*, Detail Monitoring the FCSAsState Description SCF Status Adapter $ZZLAN.G1123 Monitoring the G4SAsService, Device, and Enabled States for the G4SA page 1 Monitoring the 4PSEs Recovery Operations for I/O Adapters and ModulesServerNet/DA Manual Related Reading for I/O Adapters and ModulesProcessors and Components Monitoring and Recovery Overview of the NonStop Blade Complex LSU CPU Term Description Monitoring Processors Automatically Using TfdsMonitoring and Maintaining Processors Summary, these terms describe the Nsaa processorProcessor Status Display Monitoring Processor Status Using the OSM Low-Level LinkOSM Representation of Processor Complex Viewsys Identifying Processor ProblemsMonitoring Processor Performance Using ViewSys Processor or System HangsFreeze code = %nnnnnn OSM Alarms and Attribute ValuesProcessor Halts Halt code = %nnnnnnRecovery Operations for a Processor Halt Recovery Operations for ProcessorsReloading a Single Processor on a Running Server Halting One or More ProcessorsSelect Processor ActionsHalt Click Perform action Select FileStart Terminal Emulator Using Tacl Reload to Perform ReloadReload / run-option , run-option Fabric Noswitch Primenoprime fabric Omitblade ABCNoswitch PrimenoprimeSelect Reload, click Perform action Using the OSM Service Connection to Perform ReloadRecovery Operations for a System Hang Enabling/Disabling Processor and System Freeze Freezing the System and Freeze-Enabled ProcessorsDumping a Processor to Disk See Using Rcvdump to Dump a Processor to Disk on Before You Begin Using Rcvdump to Dump a Processor to DiskFUP Purgedata dumpfile CPU n has been dumped to dumpfile Blade Element ReintegrationFUP Info dumpfile Replacing Processor Memory Troubleshooting and Recovery Operations for Disk DumpsSubmitting Information to Your Service Provider Backing Up a Processor Dump to TapeSubmitting Tapes of Processor Dumps Submitting Tapes of Configuration and Operations FilesOther Files to Submit to Your Service Provider Backup $tape, CPU0,$SYSTEM.SYS00.CONFTEXTAdditional Information Required by Your Service Provider For Information About Tool See Disk Drives Monitoring and Recovery Internal Scsi Disk Drives Overview of Disk DrivesFor information about Enterprise Storage System ESS Disks M8xxx Fibre Channel Disk DrivesFor information about See Monitoring Disk Drives With OSM Monitoring Disk DrivesTask See Status Disk $*, SUB Magnetic Monitoring Disk Drives With SCFStatus $DATA02-M Status Disk $DATA09, DetailTo display the status of the disk $DATA01 Status $DATA01Status Disk $ To display the status of all disksStatus Disk $DATA00 To display the detailed status of the disk $DATA01Status $DATA01, Detail To display status of all paths for $DATA00Monitoring the Size of Database Files Monitoring the Use of Space on a Disk VolumePrimary and Backup Path States for Disk Drives Monitoring the State of Disk DrivesFUP Info DATA1.MEMOS, Detail Monitoring Disk Configuration and PerformanceExample To check the size of the file DATA1.MEMOSPossible Causes of Common Disk Drive Problems Identifying Disk Drive ProblemsProblems Possible Symptoms Command Description Recovery Operations for Disk DrivesThese SCF commands control Disk objects Common Recovery Operations for Disk Drives page 1Customer Support Center or your service provider Common Recovery Operations for Disk Drives page 2Start Disk $volume Recovery Operations for a Down Disk or Down Disk PathReset Disk $volume Reset Disk $WD8FUP Alter MEMOS, Maxextents Info MEMOS, Detail Recovery Operations for a Nearly Full Database FileReport such as this one is sent to your home terminal 10-16 Overview of Tape Drives Tape Drives Monitoring and RecoveryMonitoring Tape Drive Status With OSM Monitoring Tape DrivesOSM Monitoring Tape Drives Connected to an Fcsa OSM Monitoring Tape Drives Connected to an IOMF2 Listing such as this one is sent to your home terminal Monitoring Tape Drive Status With SCFListing similar to this one is sent to your home terminal SCF Status Tape $TAPE0Mediacom Status Tapedrive Monitoring Tape Drive Status With MediacomMediacom Status Tapedrive $TAPE0 Monitoring the Status of Labeled-Tape Operations Identifying Tape Drive ProblemsCommon Tape Drive Problems Symptom Problem Possible CausesPerforming an OSM Action on a Multiple Tape Drives Recovery Operations for Tape DrivesRecovery Operations Using the OSM Service Connection Performing an OSM Action on a Tape DriveSCF Command Description Recovery Operations Using SCFRelated Reading for Tapes and Tape Drives page 1 Related Reading for Tapes and Tape Drives page 2 Overview of Printers and Terminals Printers and Terminals Monitoring and RecoverySpoolcom DEV $LASER Monitoring Printer and Collector Process StatusMonitoring Printer Status Monitoring Collector Process StatusRecovery Operations for a Full Collector Process Recovery Operations for Printers and Terminals12-4 Monitoring TMF Applications Monitoring and RecoveryTMF States on ~ Status TMF Monitoring Data VolumesMonitoring the Status of TMF TmfcomTMF States page 1 TMF StatesTmfcom responds with output similar to TMF subsystem can be in any of the states listed in Table= Status Pathway Monitoring the Status of PathwayTMF States page 2 Status *, Prog $*.*.PATHMONPathcom responds with output such as Pathmon States= Status Pathmon Another requester Request is waiting for an object that has been locked byRequest is waiting for a RUN Program to finish ESS Cabinets on Power Failures Preparation and RecoveryExternal Devices System Response to Power FailuresNonStop NS-Series Cabinets Modular Cabinets NonStop S-Series I/O EnclosuresAir Conditioning Preparing for Power FailureConfigure OSM Power Fail Support ESS CabinetsMaintain Batteries Power Failure RecoveryMonitor Power Supplies Monitor BatteriesSetting System Time Procedure to Recover From a Power Failure14-6 Alerts on Starting and Stopping the SystemPowering On a System Select Hard Reset Click Perform Action Powering On the System From a Low Power StatePowering On the System From a No Power State Select Power On System15-4 Normal System Load Starting a SystemLoading the System AlertsSystem Load Disks System Load to a Specific ProcessorPath Group Module Slot System Load Paths for a Normal System LoadSystem Load Paths in Order of Use Disk Drive EnclosureData Travels Configuration FilePerforming a System Load Starting Other System ComponentsClick Start system System Load Dialog BoxPerforming a System Load From a Specific Processor Reload 01 15, Prime Reloading Processors Using the Reload CommandReloading Processors Using OSM Reloading ProcessorsLogical Processor Reload Parameters Stopping Application, Devices, and Processes Minimizing the Frequency of Planned OutagesAnticipating and Planning for Change RUN Stopscm = SHUTDOWN2, Mode OrderlyVolume $DSMSCM.ZDSMSCM Stop DSM/SCMTmfcom Stop TMF Halting All Processors Using OSMStopping the System Spoolcom supervisor-name, SPOOLER, DrainFrom the Processors Actions menu, select Halt Powering Off a SystemSystem Power-Off Using OSM System Power-Off Using SCFEmergency Power-Off Procedure Troubleshooting and Recovery OperationsFans Are Not Turning Components Fail When Testing the Power System Does Not Appear to Be Powered OnGreen LED Is Not Lit After POSTs Finish Info Subsys $ZZKRN Recovering From a System Load FailureRecovering From a Reload Failure Getting a Corrupt System Configuration File AnalyzedBackup $TAPE, $SYSTEM.ZSYSCONF.CONFSAVE, Listall Opening Startup Event Stream and Startup Tacl Windows Exiting the OSM Low-Level Link15-23 Related Reading for Starting and Stopping a System NonStop NS-Series Hardware Installation GuideStartup on Shutdown on Creating Startup and Shutdown FilesAutomating System Startup and Shutdown Managed Configuration Services MCSStartup Shutdown Processes That Represent the System ConsoleFor More Information $ZHOME Alternative Example Command FilesCiin File Modifying a Ciin File Establishing a Ciin FileConftext Ciin Entry If a Ciin File Is Not Specified or Enabled in OSMCiin File Option Results Reload /TERM $ZHOME, OUT $ZHOME Example Ciin Files= Start Term TERM1, TERM2, TERM3, TERM4, TERM5, TERM6 Writing Efficient Startup and Shutdown Command FilesCommand File Syntax = Start TermUse Parallel Processing Avoid Manual InterventionTips for Startup Files How Process Persistence Affects Configuration and StartupInvestigate Product-Specific Techniques System Startup File Startup File ExamplesObey $SYSTEM.STARTUP.STRTSYS 16-13 Obey $SYSTEM.STARTUP.SPLWARM TCP/IP Stack Configuration and Startup FileSpooler Warm-Start File TMF Warm-Start File16-15 16-16 ATP6100 Lines Startup File CP6100 Lines Startup FileLines Startup File Expand-Over-IP Line Startup File Printer Line Startup FileExpand Direct-Connect Line Startup File Shutdown File Examples Tips for Shutdown FilesObey $SYSTEM.SHUTDOWN.STOPSYS System Shutdown FileATP6100 Lines Shutdown File CP6100 Lines Shutdown FileLines Shutdown File Expand-Over-IP Line Shutdown File Printer Line Shutdown FileDirect-Connect Line Shutdown File Tmfcom / in $SYSTEM.SHUTDOWN.TMFSTOP, OUT $ZHOME Spooler Shutdown FileTMF Shutdown File Obey $SYSTEM.SHUTDOWN.SPLDRAIN16-24 Checking Air Temperature and Humidity Preventive MaintenanceMonitoring Physical Facilities Cleaning System Components Handling and Storing Cartridge Tapes Cleaning Tape Drives17-4 HP Integrity NonStop NS-Series Operations Guide-529869-005 Page Tools and Utilities for Operations When to Use This AppendixDisk Compression Program Dcom Event Management Service Analyzer EmsaDisk Space Analysis Program Dsap Nskcom and the Kernel-Managed Swap Facility Kmsf File Utility Program FUPMeasure NonStop NET/MASTERSubsystem Control Facility SCF PathcomWeb ViewPoint HP Tandem Advanced Command Language TaclViewPoint ViewSys Table C-1. Related Reading for Tools and Utilities page 1 Related ReadingTool Documentation Description NET/MASTER MS Table C-1. Related Reading for Tools and Utilities page 2Management Manual Table C-1. Related Reading for Tools and Utilities page 3Table C-1. Related Reading for Tools and Utilities page 4 Recovery GuideOutput Table C-1. Related Reading for Tools and Utilities page 5Page Converting Numbers Table D-1. Descriptions of Number Systems Overview of Numbering SystemsNumber System Base Description Binary Value Decimal Value Binary to DecimalOctal Value Decimal Value 1375 765 Octal to DecimalHexadecimal Decimal Hexadecimal to DecimalHexadecimal Value Decimal Value HBA10 47632 Figure D-3. Hexadecimal to Decimal ConversionDecimal Value Binary Value 354 B101100010 Decimal to BinaryResult is Step Division Quotient RemainderStep Division Quotient Decimal to OctalDecimal Value Octal Value Decimal Hexadecimal Decimal to HexadecimalDecimal Value Hexadecimal Value Page Canadian Compliance Safety and ComplianceRegulatory Compliance Statements FCC ComplianceStatements-2 Laser Compliance European Union NoticeSafety Caution Waste Electrical and Electronic Equipment Weee Important Safety InformationStatements-6 See Conftext file IndexNumbers Port ServerNet Extender 4PSEDcom 10-15,B-2 FUP Nskcom B-3 Index-5 System shutdown file 16-20 TMF Lines SACs SCF B-4 commandsSpooler 16-14 Startup files Tacl 9-22,16-5,B-5 Special CharactersIndex-8