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Troubleshooting
Specifications
Install
Error Corrective Action
Timer Type Option
Configuring Journal Groups
Setup Procedure
Command Device
Disaster Recovery Procedure
Journal Restore
Page 311
Image 311
Index
Index-3
Hitachi Universal Replicator for IBM /OS User’s Guide
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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
Changes in this Revision
Intended Audience
Product Version
Document Revision Level
Chapter Description
Document Organization
Referenced Documents
Icon Meaning Description
Document Conventions
Getting Help
Convention for Storage Capacity Values
Mail
Comments
Overview of Universal Replicator for IBM z/OS
Hitachi Universal Replicator
Heterogeneous Storage System Support
Features
Ensure Business Continuity
Benefits
Business Solutions
Hitachi Universal Replicator for IBM /OS User’s Guide
About Universal Replicator Operations
Functionality Overview
UR Components for Fibre-Channel Connection
Journal Obtain
Journal Copy
Journal Restore
Components
URz components
Connection Configuration of Plural Secondary Storage systems
Universal Replicator for z/OS→ Software
Main and Remote Control Units
USP V Storage Systems
System and number 00 and 01 is assigned to each Ldkc
Logical DKC Ldkc
Remote Copy Connections
Initiator Ports and RCU Target Ports
Data Volume Pair
Emulation Types for Journal Volumes
Journal Volume
Number of Journal Volumes
Specifications of Journal Volumes
RAID configuration
Restrictions on Journal Volumes
Journal Group
Journal Volume Areas
Extended Consistency Groups
Specifications
Specifications of Extended Consistency Groups
Consistency time
Host I/O Time-Stamp
Remote Copy Operations
Error Reporting Communications ERC
Initial Copy Operations
Journal Group Operations
Update Copy Operation
Journal Group Operations
Timer Type Option
Read and Write I/O Operations During URz Operations
Difference Management
Secondary Data Volume Write Option
Secondary Data Volume Read Option
Type Description
Journal Processing
Journal Processing at the Primary Storage System
Metadata Information
Storing Journal at the Secondary Storage System
Journal Processing at the Secondary Storage System
Types of Journal
Hitachi Universal Replicator for IBM /OS User’s Guide
S1 to S4 Sequence number
Journal Obtain in TCz Synchronous Secondary Site
URz Delta Resync Operation
As shown
When a failure occurs on the primary site
Switching the Master Journal Group of URz
Primary site B
Hitachi Universal Replicator for IBM /OS User’s Guide
Pair Status
Hitachi Universal Replicator for IBM /OS User’s Guide
Pair Status Description
URz Data Volume Pair Status
Suspend Types
Applies to Description
Volumes
Suspend Types
Consistency Status for Suspended URz Secondary Data
Suspension Condition Detected by URz Pairs to be Suspended
Suspension Condition
URz Suspension Condition
Business Continuity Manager Support
Location
Said Values for the Path Link Parameter Front CL1
Port
Package Port
About Universal Replicator Operations
Said Values for the Path Link Parameter Rear CL2
Command Device
Page
Hitachi Universal Replicator for IBM /OS User’s Guide
Preparing for Universal Replicator z/OS Operations
System Requirements
Requirements and Restrictions for URz
Page
Disk Track Format
One-to-One Volume Copy Operations
Emulation Support type
Duplicate Volser Volume Serial Number
Volume Types
Supported Emulation Types
Type
Supported Data Volume and Journal Volume
Support specifications
Specifications of Volumes that can Form Pairs
Journal Volume Specifications
Number of Cylinders According to Each Emulation Type
RAID Level Configuration of URz
Maximum Number of Pairs
H6588-L 32,760 NF80-E 770 NF80-J 885 NF80-K 655
32,768 20,071 028
10 Journal Group Volume Specifications
Journal Group Specifications
Cache and Nonvolatile Storage NVS
Accessing URz Primary Data Volume and Secondary Data Volume
Duplicate Volumes
Installing the Hardware
URz Remote Copy Connection Configuration
Setting up Remote Copy Connections
Direct Remote Copy Connections
Enabling the URz Options
Using Multiple Primary and Secondary Storage Systems
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
An Example of Connections among Secondary Storage Systems
Connections Between Secondary Storage Systems
Hitachi Universal Replicator for IBM /OS User’s Guide
Interoperability with Other Products and Functions
11 Whether Non-URz Volumes Can Be Used as URz Volumes
Functions and Volumes
Can the Volumes be
Used as Journal
Can the Volumes be Used as Primary
Data Volumes?
ShadowImage for z/OS
Virtual LVI
Cache Residency Manager
13 Data Currency of a Shared URz/SIz Volume
12 Host Pair Status Reporting for URz/SIz Shared Volumes
Shared URz secondary data volume and SIz S-VOL
SIz URz
12 Restoring a SIz S-VOL Step
Restoring a SIz S-VOL Step
14 Restoring a SIz S-VOL Step
17 Restoring a SIz S-VOL Step
21 Overview of Split Operation
Page
TCz Synchronous 3DC Cascading Configuration
Basic Behavior
22 3DC Cascading Configuration Combining URz with TCz
23 Basic Behavior in 3DC Cascading Configuration
Setup Procedure
Hardware Configuration
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
Business Tasks Back to the Primary Site
Volume
Operation
Pair
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
What to Consider for Planning
Planning of Journal Volumes
Computing Required Data Transfer Speeds for Journal Volumes
Why Planning is Necessary?
Temporary increase
Computing the Journal Volume Capacity
Arranging Journal Volumes
MCU
Planning Data Transfer Speed before Reversing Data Volumes
DKC Journal Transfer Speed
Bandwidth for Data Transfer Paths
Mode
System Option Mode
16 System Option Mode
34 LDKC00 that Can Configure Logical Path Between USP
Volume Pair that Can Create Pairs
Page
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
If Universal Replicator for z/OS has not been started
DKC Operation Window
DKC Operation Window
List Displays information about remote storage systems
Displaying Information about Remote Storage Systems
Num of Path indicates the number of logical paths
Logical Paths Information in the DKC Operation Window
Displaying Information about Logical Paths
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
10 Optional Operation Window
Optional Operation Window
Change System Option
Exctg Operation Window
11 Exctg Operation Window
12 Tree of the Exctg Operation Window
Add Jnlg to Exctg
Displaying a List of Extended Consistency Groups
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
DKC Status Window
Viewing the Status of Logical Paths
Status Remarks
Logical Path Status
This status indicates one of the following
Deleting Logical Paths
Enabling or Disabling SIM Reporting
Managing SIMs
Clearing Service Information Messages SIMs
When the Power is Removed from the Secondary Storage System
When Power Stops Unexpectedly
When the Power is Removed from the Primary Storage System
When You Power Off the Primary Storage System
Turning Off Power Intentionally
When the Power is Removed from Network Relay Devices
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
Mirror ID
Deleting Journal Volumes from a Journal Group
Status of Journal Group
Hitachi Universal Replicator for IBM /OS User’s Guide
JNL Group Detail Window
Displaying Detailed Information about a Journal Group
Initial a journal group in initial status
Page
HaltAccept
Stopping , Stop , and finally Initial
Changing Options for a Journal Group
Change JNL Option Window
System Option Modes
Mode Description
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
Registering Journal Groups in an Extended Consistency Group
Configuring primary Exctg
Page
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
Example of an Exported Text File
Saving Pair Status Information into a Text File
Page
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 on a Data Volume
Recovering a Pinned Track
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
Statistic Description
Display Item Window Remote Copy I/O Statistics
JNL
Saving Monitoring Data in Text Files
Example of a Exported File
Saving Operation History into a Text File
Usage Scenarios
Preparing for Disaster Recovery Operations
Creating a Point-in-Time Copy of Data Volumes
Performing 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
10-7
Consistency of Data Update Sequence When a Disaster Occurs
Disaster Recovery Procedure
Disaster Recovery in a 3DC Cascading Configuration
10-10 Usage Scenarios
Recovering from Failures in the Primary Site
Operation Primary Data
Primary site
Establishing 3DC Delta Resync Operations
Configuration for 3DC Delta Resync Operations
Primary UR-TC 151#10031 TC target 166#10079
10-16 Usage Scenarios
Performing Failover
Normal Operations
Ykquery Yksuspnd Reverse Ykewait Gotosuspend
Ykquery Ykresync Deltajnl Ykewait Gotoduplex
Performing Failback
Yksuspnd Forward Ykewait Gotosuspend
10-21
10-22 Usage Scenarios
Troubleshooting
General Troubleshooting
Troubleshooting
Path Status Description
Troubleshooting Problems with Status of Logical Paths
Error Corrective Action
Troubleshooting
Suspend Type Applies Description Corrective Action
Troubleshooting Suspended URz Pairs
Classification Causes of Suspension
Recovery procedure
Resolving URz Pair Suspension
DC0
Universal Replicator for z/OS Software Error Codes
Typical SIM Showing Reference Code and SIM Type
Checking Service Information Messages SIMs
File
Severity Description
SVP Log To host?
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
