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Hitachi MP-96RD625-01 manual Usage Scenarios

Models: MP-96RD625-01

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Troubleshooting Specification Install Error Corrective Action Timer Type Option Configuring Journal Groups Setup Procedure Command Device Disaster Recovery Procedure Journal Restore

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10-22

Chapter 10 Usage Scenarios

Hitachi Universal Replicator for IBM /OS User’s Guide

Page 293 Page 295

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Hitachi MP-96RD625-01 manual Usage Scenarios

Page 293 Page 295

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Contents

Hitachi Universal Storage Platform Hitachi Universal Replicator for IBM /OS User’s Guide ALL Rights Reserved Page Contents Preparing for Universal Replicator z/OS Operations System Option Mode Using the Universal Replicator for z/OS GUI Configuring Journal Groups 10-1 Preface Document Revision Level Intended AudienceProduct Version Changes in this Revision Document Organization Referenced DocumentsChapter Description Document Conventions Icon Meaning Description Convention for Storage Capacity Values Getting Help Comments Mail Overview of Universal Replicator for IBM z/OS Hitachi Universal Replicator Features Heterogeneous Storage System Support Benefits Ensure Business Continuity Business Solutions Hitachi Universal Replicator for IBM /OS User’s Guide About Universal Replicator Operations Functionality Overview Journal Obtain UR Components for Fibre-Channel Connection Journal Restore ComponentsJournal Copy URz components Connection Configuration of Plural Secondary Storage systems Main and Remote Control Units USP V Storage SystemsUniversal Replicator for z/OS→ Software Logical DKC Ldkc System and number 00 and 01 is assigned to each Ldkc Remote Copy Connections Data Volume Pair Initiator Ports and RCU Target Ports Specifications of Journal Volumes Journal VolumeNumber of Journal Volumes Emulation Types for Journal Volumes Restrictions on Journal Volumes RAID configuration Journal Volume Areas Journal Group Extended Consistency Groups Specifications of Extended Consistency Groups Specifications Consistency time Host I/O Time-Stamp Error Reporting Communications ERC Remote Copy Operations Initial Copy Operations Update Copy Operation Journal Group Operations Timer Type Option Journal Group Operations Read and Write I/O Operations During URz Operations Secondary Data Volume Write Option Secondary Data Volume Read OptionDifference Management Metadata Information Journal ProcessingJournal Processing at the Primary Storage System Type Description Journal Processing at the Secondary Storage System Types of JournalStoring Journal at the Secondary Storage System Hitachi Universal Replicator for IBM /OS User’s Guide S1 to S4 Sequence number URz Delta Resync Operation Journal Obtain in TCz Synchronous Secondary Site As shown Switching the Master Journal Group of URz When a failure occurs on the primary site Primary site B Hitachi Universal Replicator for IBM /OS User’s Guide Pair Status Hitachi Universal Replicator for IBM /OS User’s Guide URz Data Volume Pair Status Pair Status Description Suspend Types Consistency Status for Suspended URz Secondary Data VolumesSuspend Types Applies to Description Suspension Condition URz Suspension ConditionSuspension Condition Detected by URz Pairs to be Suspended Business Continuity Manager Support Package Port Said Values for the Path Link Parameter Front CL1Port Location Said Values for the Path Link Parameter Rear CL2 About Universal Replicator Operations Command Device Page Hitachi Universal Replicator for IBM /OS User’s Guide Preparing for Universal Replicator z/OS Operations Requirements and Restrictions for URz System RequirementsPage One-to-One Volume Copy Operations Disk Track Format Supported Emulation Types Duplicate Volser Volume Serial NumberVolume Types Emulation Support type Supported Data Volume and Journal Volume Type Specifications of Volumes that can Form Pairs Journal Volume SpecificationsSupport specifications RAID Level Configuration of URz Maximum Number of PairsNumber of Cylinders According to Each Emulation Type H6588-L 32,760 NF80-E 770 NF80-J 885 NF80-K 655 32,768 20,071 028 Journal Group Specifications 10 Journal Group Volume Specifications Accessing URz Primary Data Volume and Secondary Data Volume Duplicate VolumesCache and Nonvolatile Storage NVS Installing the Hardware Setting up Remote Copy Connections URz Remote Copy Connection Configuration Direct Remote Copy Connections Using Multiple Primary and Secondary Storage Systems Enabling the URz Options Primary host Hitachi Universal Replicator for IBM /OS User’s Guide Primary host can add time stamps Secondary site Primary site Hitachi Universal Replicator for IBM /OS User’s Guide Connections Between Secondary Storage Systems An Example of Connections among Secondary Storage Systems Hitachi Universal Replicator for IBM /OS User’s Guide Can the Volumes be 11 Whether Non-URz Volumes Can Be Used as URz VolumesFunctions and Volumes Interoperability with Other Products and Functions Can the Volumes be Used as Primary Data Volumes?Used as Journal Virtual LVI Cache Residency ManagerShadowImage for z/OS 12 Host Pair Status Reporting for URz/SIz Shared Volumes 13 Data Currency of a Shared URz/SIz Volume Shared URz secondary data volume and SIz S-VOL SIz URz 12 Restoring a SIz S-VOL Step 14 Restoring a SIz S-VOL Step Restoring a SIz S-VOL Step 17 Restoring a SIz S-VOL Step 21 Overview of Split Operation Page TCz Synchronous 3DC Cascading Configuration 22 3DC Cascading Configuration Combining URz with TCz Basic Behavior 23 Basic Behavior in 3DC Cascading Configuration Hardware Configuration Setup Procedure Transferring Business Tasks Back to the Primary Site TCz Synchronous 3DC Multi-target Configuration Secondary site for URz USP V storage system in the primary site USP V storage system in the TCz Synchronous secondary site Requirements for Performing Delta Resync Operation Hitachi Universal Replicator for IBM /OS User’s Guide Page Tasks VOL/Prm Data VOL Primary site Synchronous pair Pair VolumeOperation Business Tasks Back to the Primary Site Make sure that all the pairs belonging to the journal group Primary siteTCz Sync Primary site TCz Sync VOL/Prm Data VOL Page VOL/Prm Data VOL Why Planning is Necessary? Planning of Journal VolumesComputing Required Data Transfer Speeds for Journal Volumes What to Consider for Planning Temporary increase Arranging Journal Volumes Computing the Journal Volume Capacity MCU Planning Data Transfer Speed before Reversing Data Volumes Bandwidth for Data Transfer Paths DKC Journal Transfer Speed System Option Mode 16 System Option ModeMode Volume Pair that Can Create Pairs 34 LDKC00 that Can Configure Logical Path Between USPPage Hitachi Universal Replicator for IBM /OS User’s Guide USP V supervisor DKC Hitachi Universal Replicator for IBM /OS User’s Guide JNL VOL Hitachi Universal Replicator for IBM /OS User’s Guide Using the Universal Replicator for z/OS GUI Journal Operation Window Journal Operation Window Journal group in initial status Initial Stop Hold HoldFail Ure Edit JNL Volumes Pair Operation Window Pair Operation Window Hitachi Universal Replicator for IBM /OS User’s Guide List in the Pair Operation Window Sub Indicates either of the following statues Page Add Pair DKC Operation Window If Universal Replicator for z/OS has not been started DKC Operation Window Displaying Information about Remote Storage Systems List Displays information about remote storage systems Num of Path indicates the number of logical paths Displaying Information about Logical Paths Logical Paths Information in the DKC Operation Window Port Information in the DKC Operation Window Page Usage Monitor Window Usage Monitor Window History Window History Window Page Hitachi Universal Replicator for IBM /OS User’s Guide Page Hitachi Universal Replicator for IBM /OS User’s Guide Optional Operation Window 10 Optional Operation Window Change System Option Exctg Operation Window 11 Exctg Operation Window 12 Tree of the Exctg Operation Window Displaying a List of Extended Consistency Groups Add Jnlg to Exctg 13 Extended Consistency Groups in the Exctg Operation Window 14 Storage Systems in the Exctg Operation Window 15 Storage Systems in the Exctg Operation Window Hitachi Universal Replicator for IBM /OS User’s Guide Configuring Storage Systems and Logical Paths Reviewing Storage System and Logical Paths Page Hitachi Universal Replicator for IBM /OS User’s Guide Configuring Port Attributes Configuring Storage Systems and Logical Paths Page Configuring Storage System Options System Option Window DKC Page Add DKC Window Changing Options for Logical Paths and Storage Systems DKC Option Window Adding Logical Paths Add Path Window Viewing the Status of Logical Paths DKC Status Window Logical Path Status Status Remarks This status indicates one of the following Deleting Logical Paths Managing SIMs Enabling or Disabling SIM Reporting Clearing Service Information Messages SIMs When Power Stops Unexpectedly When the Power is Removed from the Primary Storage SystemWhen the Power is Removed from the Secondary Storage System Turning Off Power Intentionally When the Power is Removed from Network Relay DevicesWhen You Power Off the Primary Storage System When You Power Off the Secondary Storage System Hitachi Universal Replicator for IBM /OS User’s Guide When You Power Off Network Relay Devices Hitachi Universal Replicator for IBM /OS User’s Guide Configuring Journal Groups Reviewing Administrator Tasks for Managing Journals Registering Journal Volumes in a Journal Group Hitachi Universal Replicator for IBM /OS User’s Guide Edit JNL Volumes Window Add Page Configuring Journal Groups Deleting Journal Volumes from a Journal Group Status of Journal GroupMirror ID Hitachi Universal Replicator for IBM /OS User’s Guide Displaying Detailed Information about a Journal Group JNL Group Detail Window Initial a journal group in initial status Page HaltAccept Stopping , Stop , and finally Initial Changing Options for a Journal Group Change JNL Option Window Mode Description System Option Modes 449 On The SVP does not detect blocked paths Hitachi Universal Replicator for IBM /OS User’s Guide Deleting a Journal Group Splitting a Mirror Suspending a copy operation Suspend Pair Window Restoring a Mirror Resuming a copy operation Page Deleting Data Volumes from a Mirror Ending a copy operation Using Extended Consistency Groups Configuring primary Exctg Registering Journal Groups in an Extended Consistency GroupPage Add JNL Group Window Page Hitachi Universal Replicator for IBM /OS User’s Guide Removing Journal Groups from an Extended Consistency Group Primary host Primary Exctg Page Hitachi Universal Replicator for IBM /OS User’s Guide Performing Pair Operations Performing Pair Operations Display Filter Window Hitachi Universal Replicator for IBM /OS User’s Guide Creating a Pair of Data Volumes Hitachi Universal Replicator for IBM /OS User’s Guide Add Pair Window Hitachi Universal Replicator for IBM /OS User’s Guide Page Hitachi Universal Replicator for IBM /OS User’s Guide Displaying Detailed Information about a Pair of Data Volumes Detailed Information Window Page System Page Saving Pair Status Information into a Text File Example of an Exported Text FilePage Changing Options for a Data Volume Pair Change Pair Option Window Splitting a Pair of Data Volumes Suspend Pair Window Hitachi Universal Replicator for IBM /OS User’s Guide Restoring a Pair of Data Volumes Resume Pair Window Page Releasing a Pair of Data Volumes Delete Pair Window Recovering a Pinned Track Recovering a Pinned Track on a Data Volume Recovering a Pinned Track on a Journal Volume Hitachi Universal Replicator for IBM /OS User’s Guide Usage Monitor Operations Reviewing the Usage Monitor Window Starting and Stopping Usage Monitoring Displaying the Usage Monitor Graph Display Item Window Remote Copy I/O Statistics Statistic Description JNL Saving Monitoring Data in Text Files Saving Operation History into a Text File Example of a Exported File Usage Scenarios Creating a Point-in-Time Copy of Data Volumes Performing Disaster Recovery OperationsPreparing for Disaster Recovery Operations File and Database Recovery Procedures Switching Operations to the Secondary Site Transferring Operations Back to the Primary Site Resuming Normal Operations at the Primary Site Consistency of Data Update Sequence When a Disaster Occurs 10-7 Disaster Recovery Procedure Disaster Recovery in a 3DC Cascading Configuration 10-10 Usage Scenarios Recovering from Failures in the Primary Site Operation Primary Data Establishing 3DC Delta Resync Operations Primary site Configuration for 3DC Delta Resync Operations Primary UR-TC 151#10031 TC target 166#10079 10-16 Usage Scenarios Normal Operations Performing Failover Ykquery Yksuspnd Reverse Ykewait Gotosuspend Performing Failback Ykquery Ykresync Deltajnl Ykewait Gotoduplex Yksuspnd Forward Ykewait Gotosuspend 10-21 10-22 Usage Scenarios Troubleshooting Troubleshooting General Troubleshooting Troubleshooting Problems with Status of Logical Paths Error Corrective ActionPath Status Description Troubleshooting Troubleshooting Suspended URz Pairs Suspend Type Applies Description Corrective Action Recovery procedure Resolving URz Pair SuspensionClassification Causes of Suspension Universal Replicator for z/OS Software Error Codes DC0 Checking Service Information Messages SIMs Typical SIM Showing Reference Code and SIM Type Severity Description SVP Log To host?File Troubleshooting Calling the Hitachi Data Systems Support Center Hitachi Universal Replicator for IBM /OS User’s Guide Acronyms and Abbreviations Page Index Index-2 Index-3 Index-4 Hitachi Universal Replicator for IBM /OS User’s Guide Hitachi Data Systems Corporate Headquarters

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