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IBM SG24-5131-00 manual #2416

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76 IBM Certification Study Guide AIX HACMP

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IBM SG24-5131-00 manual #2416

Contents

AIX Hacmp Page AIX Hacmp Take Note Contents Iv IBM Certification Study Guide AIX Hacmp Page Vi IBM Certification Study Guide AIX Hacmp Appendix A. Special Notices ViiViii IBM Certification Study Guide AIX Hacmp Figures IBM Certification Study Guide AIX Hacmp Tables Xii IBM Certification Study Guide AIX Hacmp Preface XiiiTeam That Wrote This Redbook Comments Welcome Your comments are important to usXvi IBM Certification Study Guide AIX Hacmp Certification Requirement two Tests Certification OverviewIBM Certified Specialist AIX Hacmp Recommended PrerequisitesCertification Exam Objectives PreinstallationHacmp Implementation System Management Certification Education Courses Following table outlines information about the next course IBM Certification Study Guide AIX Hacmp Cluster Nodes Cluster PlanningCPU Options Cluster Node Considerations Cluster Planning Switch adapter is onboard and does not need an extra slot 1 TCP/IP Networks Cluster NetworksSupported TCP/IP Network Types Slip Socc Special Network ConsiderationsCluster Planning Non-TCPIP Networks Supported Non-TCP/IP Network TypesSpecial Considerations Serial RS232Target-mode Scsi Cluster DisksSSA Disks Target-mode SSAHost Specification Disk Capacities 1.2 Supported and Non-Supported AdaptersRules for SSA Loops Cluster Planning RAID vs. Non-RAID RAID Technology RAID LevelRAID Levels 2 RAID on the 7133 Disk Subsystem Advantages Disks Scsi DisksSubsystems Advantages Disadvantages Resource Planning Resource Group OptionsCluster Planning Hot-Standby Configuration Shared LVM ComponentsRotating Standby Configuration Hot-Standby ConfigurationMutual Takeover Configuration Mutual Takeover ConfigurationThird-Party Takeover Configuration Third-Party Takeover ConfigurationConcurrent Disk Access Configurations IP Address TakeoverNetwork Topology Single NetworkDual Network Point-to-Point ConnectionNetwork Name NetworksNetwork Attribute Adapter Label Network AdaptersAdapter Function Cluster Planning Defining Hardware Addresses NFS Exports and NFS Mounts Application PlanningPerformance Requirements Application Startup and Shutdown RoutinesCoexistence with other Applications Licensing MethodsCritical/Non-Critical Prioritizations Special Application Requirements Customization PlanningEvent Customization Event NotificationError Notification Predictive Event Error CorrectionSample Screen for Add a Notification Method Notification Application FailureUser ID Planning Cluster User and Group IDsUser Home Directory Planning Cluster PasswordsHome Directories on Shared Volumes NFS-Mounted Home DirectoriesNFS-Mounted Home Directories on Shared Volumes Cluster Hardware and Software Preparation Cluster Node SetupAdapter Slot Placement Rootvg MirroringIBM Certification Study Guide AIX Hacmp Procedure This is so that the Quorum OFF functionality takes effect AIX Prerequisite LPPs Necessary Apar FixesAIX Parameter Settings 4.1 I/O PacingChecking Network Option Settings Cron and NIS Considerations Editing the /.rhosts File Network Connection and Testing Cabling ConsiderationsConnecting Networks to a Hub IP Addresses and SubnetsTesting Non TCP/IP Networks Configuring RS232 Configuring Target Mode ScsiConfiguring Target Mode SSA Testing RS232 and Target Mode Networks1 SSA Cluster Disk SetupCabling AIX Configuration Adapter RouterAdapter Definitions Disk DefinitionsDiagnostics #lsdev -Cc disk grep SSAUpgrade Instructions Microcode LoadingCluster Hardware and Software Preparation Configuring a RAID on SSA Disks ScsiScsi Adapters Connecting RAID SubsystemsRAID Enclosures 110 RAIDiant Arrays Connected on Two Shared 8-Bit Scsi Buses Cluster Hardware and Software Preparation #2416 Adapter Scsi ID and Termination change Termination F1=Help F2=Refresh # chdev -l scsi1 -a id=6 -P Shared LVM Component Configuration Change/Show Characteristics of a Scsi AdapterCreating Shared VGs Creating VGs for Concurrent AccessCreating Non-Concurrent VGs Physical Volume Names Renaming a jfslog and Logical Volumes on the Source Node Creating Shared LVs and File SystemsAdding Copies to Logical Volume on the Source Node Mirroring Strategies Testing a File SystemImporting to Other Nodes Changing a Volume Group’s Startup Status Quorum Quorum at Vary OnQuorum after Vary On Quorum EnabledQuorum Disabled Disabling and Enabling QuorumAlternate Method TaskGuide Quorum in Non-Concurrent Access ConfigurationsQuorum in Concurrent Access Configurations Forcing a VaryonStarting the TaskGuide IBM Certification Study Guide AIX Hacmp Installing Hacmp Hacmp Installation and Cluster DefinitionFirst Time Installs Cluster.base.server.utils Cluster.hc Rebooting Servers Install Server NodesUpgrading From a Previous Version Upgrade AIX on One Node Install Hacmp 4.3 for AIX on Node a Check Upgraded ConfigurationClient-only Migration Defining Cluster Topology Defining the Cluster Defining NodesDefining Adapters Hacmp Installation and Cluster Definition Node Name Configuring Network Modules Adding or Changing Adapters after the Initial ConfigurationSynchronizing the Cluster Definition Across Nodes Ignore Cluster Configuring Resource Groups Defining ResourcesConfiguring Resources for Resource Groups Service IP LabelConfiguring Run-Time Parameters Defining Application ServersClverify Initial TestingSynchronizing Cluster Resources Initial Startup Takeover and ReintegrationCluster Snapshot Applying a Cluster Snapshot Hacmp Installation and Cluster Definition IBM Certification Study Guide AIX Hacmp Cluster Customization Predefined Cluster EventsGetdiskvgfs AcquireserviceaddrAcquiretakeoveraddr NodeupremoteNodedownlocal ReleaseserviceaddrSequence of nodedown Events NodedownremoteNetworkup StartserverNetwork Events Networkdown NetworkupcompleteNetwork Adapter Events ConfigtoolongReconfigtopologystart SwapadapterPre- and Post-Event Processing Event Recovery and RetryConfiguration Resources Cluster Events Change/Show Cluster Event NotificationEvent Emulator Network Modules/Topology Services and Group Services Creating Shared Volume Groups NFS considerationsCascading Takeover with Cross Mounted NFS File Systems Exporting NFS File SystemsNFS Mounting Creating NFS Mount Points on ClientsCaveats about Node Names and NFS NFS Cross MountsCross Mounted NFS File Systems and the Network Lock Manager SLEEP=2 Done Device State Cluster TestingNode Verification 131Process State System ParametersNetwork State LVM State Cluster StateAdapter Failure Simulate ErrorsEthernet or Token Ring Interface Failure Switch Adapter Failure Ethernet or Token Ring Adapter or Cable FailureFailure of a 7133 Adapter Re-attach the cablesAIX Crash Node Failure / ReintegrationCPU Failure Network Failure 2.3 TCP/IP Subsystem FailureDisk Failure Mirrored rootvg Disk hdisk0 Failure4.2 7135 Disk Failure Mirrored 7133 Disk FailureApplication Failure IBM Certification Study Guide AIX Hacmp Cluster Log Files Cluster Troubleshooting143 Configtoolong DaemonsDeadman Switch Extending the syncd Frequency Tuning the System Using I/O PacingIncrease Amount of Memory for Communications Subsystem Changing the Failure Detection Rate Node Isolation and Partitioned ClustersDgsp Message User ID Problems Troubleshooting StrategyIBM Certification Study Guide AIX Hacmp Monitoring the Cluster Cluster Management and Administration151 Clstat Command Monitoring Clusters using HAView3.2 /tmp/hacmp.out System Error Log3.1 /var/adm/cluster.log 3.3 /usr/sbin/cluster/history/cluster.mmddStarting and Stopping Hacmp on a Node or a Client Cluster Smux Peer daemon clsmuxpd Hacmp DaemonsCluster Manager daemon clstrmgr Cluster Lock Manager daemon cllockdCluster Group Services daemon grpsvcsd Starting Cluster Services on a NodeCluster Topology Services daemon topsvcsd Cluster Information Program daemon clinfoStopping Cluster Services on a Node Automatically Restarting Cluster ServicesGraceful When to Stop Cluster servicesTypes of Cluster Stops ForcedStarting and Stopping Cluster Services on Clients Maintaining Cluster Information Services on ClientsNodes Replacing Failed ComponentsAdapters 3.1 SSA/SCSI Disk Replacement RAID DisksSync the volume group smit clsyncvg Manual Update Changing Shared LVM ComponentsLazy Update Spoc IBM Certification Study Guide AIX Hacmp Changing Cluster Resources TaskGuideTaskGuide Requirements 1 Add/Change/Remove Cluster Resources Synchronize Cluster ResourcesDare Resource Migration Utility Sticky Resource Migration Resource Migration TypesNon-Sticky Resource Migration Locations Default LocationNode Name Using the cldare Command to Migrate Resources Stop LocationUsing the clfindres Command Stopping Resource GroupsApplying Software Maintenance to an Hacmp Cluster Fallover System a Rejoins Cluster Backup Strategies Split-Mirror BackupsHow to do a split-mirror backup Using Events to Schedule a Backup User ManagementListing Users On All Cluster Nodes Adding User Accounts on all Cluster NodesChanging Attributes of Users in a Cluster Removing Users from a ClusterManaging Group Accounts Spoc LogIBM Certification Study Guide AIX Hacmp Hardware Requirements Special RS/6000 SP TopicsHigh Availability Control Workstation Hacws 183Configuring the Backup CWS Software RequirementsInstall High Availability Software Hacws ConfigurationSetup and Test Hacws Kerberos Security Ambrose Bierce, The Enlarged Devil’s Dictionary Configuring Kerberos Security with Hacmp Version VSDs RVSDs Virtual Shared Disk VSDsSpecial RS/6000 SP Topics Undefined Recoverable Virtual Shared Disk D e ZRsvd Daemons SP Switch as an Hacmp Network Switch Basics Within HacmpSwitch Failures Eprimary ManagementSpecial RS/6000 SP Topics IBM Certification Study Guide AIX Hacmp Hacmp for AIX / Enhanced Scalability Hacmp Classic vs. HACMP/ES vs. HanfsHacmp for AIX Classic 199IBM Risc System Cluster Technology Rsct Enhanced Cluster Security High Availability for Network File System for AIXSimilarities and Differences Decision CriteriaHacmp Classic vs. HACMP/ES vs. Hanfs IBM Certification Study Guide AIX Hacmp Appendix A. Special Notices 205SP1 Special Notices IBM Certification Study Guide AIX Hacmp Redbooks on CD-ROMs Appendix B. Related PublicationsInternational Technical Support Organization Publications 209Other Publications How IBM Employees Can Get Itso Redbooks How to Get Itso Redbooks211 How Customers Can Get Itso Redbooks IbmmailIBM Redbook Order Form 213IBM Certification Study Guide AIX Hacmp List of Abbreviations 215Netbios Index Symbols 217HACMP/ES 219 NISVgda Vgsa Itso Redbook Evaluation 221IBM Certification Study Guide AIX Hacmp SG24-5131-00