Document Outline

• XP24000/XP20000 Continuous Access Journal Software User Guide
• Contents
• 1 Overview of HP XP Continuous Access Journal Software
  • XP Continuous Access Journal
  • Features
  • Benefits
  • Business Solutions
• 2 About XP Continuous Access Journal Operations
  • Functionality Overview
    • Journal Obtain
    • Journal Copy
    • Journal Restore
  • XP Continuous Access Journal Components
    • Storage Systems
    • XP Continuous Access Journal Software
    • Logical Disk Controllers
    • Main and Remote Control Units (Primary Storage Systems and Secondary Storage Systems)
    • Consistency Groups
    • Remote Copy Connections
    • Initiator Ports and RCU Target Ports
    • Journal Groups
    • Data Volume Pairs
    • Journal Volumes
      • Number of Journal Volumes
      • Specifications for Journal Volumes
      • Restrictions on Journal Volumes
      • Journal Volume Areas
    • Host Failover Software
  • XP Continuous Access Journal Remote Copy Operations
    • Initial Copy Operation
    • Update Copy Operation
    • Journal Group Operations
      • Journal Group Operations
    • Read and Write I/O Operations During XP Continuous Access Journal Operations
      • Read / Read Failure
      • Write and Update Copy / Write Failure
      • Update Copy Failure
      • Special XP Continuous Access Journal Software Write Command
    • Secondary Data Volume Write Option
    • Difference Management
  • Journal Processing
    • Journal Processing at the Primary Storage System
      • Types of Journals
    • Journal Processing at the Secondary Storage System
      • Storing Journals at the Secondary Storage System
      • Selecting and Restoring a Journal at the Secondary Storage System
  • XP Continuous Access Journal Delta Resync Operation
  • Journal Obtain at XP Continuous Access Synchronous Secondary Site
  • Switching the Master Journal Group of XP Continuous Access Journal
  • Pair Status
    • Split Types (PSUS)
    • Suspend Types
    • Suspension Condition
• 3 Preparing for XP Continuous Access Journal Operations
  • Requirements and Restrictions
    • System Requirements
    • One-to-One Volume Copy Operations
    • Logical Unit (LU) Types
      • Maximum Number of Pairs
    • Journal Groups
    • Accessing XP Continuous Access Journal Primary Data Volumes and Secondary Data Volumes
    • Cache and Nonvolatile Storage (NVS)
    • Host Failover Software
    • Duplicate Volumes
  • Installing the Hardware
    • Setting up Remote Copy Connections
  • Configuring the Primary and Secondary Storage Systems for XP Continuous Access Journal Operations
  • Using Multiple Primary and Secondary Storage Systems
    • Basic Behavior When Using Multiple Primary and Secondary Storage Systems
    • Hardware Configuration for Using Multiple Primary and Secondary Storage Systems
    • Notice of the Error Suspension Between the Journal Groups
    • Transferring Business Tasks to Primary Site after Recovering from Primary Site Failures
  • 3DC Multi-target Configuration of Three XP Continuous Access Journal Sites
    • Setup Procedure
    • Restrictions about 3DC Multi-target Configuration
      • Setting of the System Option Mode 767
      • Notes on XP Continuous Access Journal pair operations
      • Notes on Performing Delta Resync Operations
    • Transferring Business Tasks from the XP Continuous Access Journal Secondary to the Primary Site
  • 3DC Cascading Configuration of Three XP Continuous Access Journal Sites
    • Setup Procedure
    • Restrictions about 3DC cascading configuration
      • Setting of the system option mode 767
      • Notes on XP Continuous Access Journal pair operations
      • Notes on performing Delta Resync Operations
    • Transferring Business Tasks from the XP Continuous Access Journal Intermediate Site to the Primary Site
    • Restoring the XP Continuous Access Journal Intermediate site and the Cascading Configuration
  • Enabling the XP Continuous Access Journal Option
  • Interoperability with Other Products and Functions
    • LUSE
    • Virtual LUN
    • Cache Residency Manager
    • LUN Manager
    • XP Thin Provisioning
    • XP Performance Control
    • XP Business Copy
    • XP Continuous Access Synchronous (3DC Cascading Configuration)
      • Basic Behavior
      • Hardware Configuration
      • Setup Procedure
    • XP Continuous Access Synchronous (3DC Multi-Target Configuration)
      • Hardware Configuration
      • Setup Procedure
      • Requirements for Creating an XP Continuous Access Journal Pair for the Delta Resync Operation
      • Requirements for Performing the Delta Resync Operation
      • Configuring Delta Resync Operation Environment that uses Remote Command Devices
      • Changing to a 3DC Multi-Target Configuration After Recovering from Primary Site Failures
      • Transferring Business Tasks from an XP Continuous Access Secondary Site to the Primary Site (in a 3DC Cascading Configuration)
      • Transferring Business Tasks from the XP Continuous Access Secondary Site to the Primary Site (in a 3DC Multi-target Configuration)
      • Transferring Business Tasks from XP Continuous Access Secondary Site to Primary Site (When Delta Resync Operation is Performed in 3DC Multi-target Configuration)
      • Recovering from Failures at the Primary Site and the XP Continuous Access Synchronous Secondary Site
      • Transferring Business Tasks from the XP Continuous Access Journal Secondary Site to the Primary Site
    • XP Continuous Access Synchronous (2DC Configuration)
    • Basic Behavior
    • Hardware Configuration
    • Setup Procedure
    • Restrictions About 2DC
    • Changing to 2DC Configuration after Recovering from Primary Site Failures
    • Data Retention Utility
    • Performance Monitor
  • XP Auto LUN Software
  • Planning of Journal Volumes
    • Data Transfer Speed Required for Journal Volumes
    • RAID Group Configuration and Journal Group Configuration
    • Arranging Journal Volumes
    • Journal Volume Capacity
    • Journal Volumes in Restore Journal Groups
  • Factors That Determine Data Transfer Speed Between the Primary and Secondary Storage System
    • Bandwidth of Data Transfer Paths
    • Journal Transfer Speed of the DKC
  • Performing Remote Copy Between an XP12000/XP10000 Disk Array and an XP24000/XP20000 Disk Array
    • Logical Storage System (LDKC) That Can Be Connected to an XP12000/XP10000 Disk Array
    • Volume that can Be Used to Create Pairs
    • Connection with an HP XP12000/XP10000 Disk Array for a 3DC Remote Copy Configuration
• 4 Using the XP Continuous Access Journal GUI
  • Journal Operation Window
  • Pair Operation Window
  • DKC Operation Window
    • Viewing Information about Remote Storage Systems
    • Viewing Information about Logical Paths
    • Viewing Information about Ports on the Local Storage System
  • Usage Monitor Window
  • History Window
  • Optional Operation Window
• 5 Configuring Storage Systems and Logical Paths
  • Reviewing System Configuration Tasks
  • Configuring Port Attributes
  • Configuring Storage System Options
  • Establishing the Relationship Between Primary and Secondary Storage Systems (Add DKC)
  • Changing Options for Logical Paths and Storage Systems
  • Adding Logical Paths
  • Viewing the Status of Logical Paths
  • Deleting Logical Paths
  • Managing Power for Storage Systems and Network Relay Devices
    • When the Power Stops Unexpectedly
      • When the Power is Removed from the Primary Storage System
      • When the Power is Removed from the Secondary Storage System
      • When the Power is Removed from Network Relay Devices
    • Turning the Power Off Intentionally
      • Power Off the Primary Storage System
      • Power Off the Secondary Storage System
      • Power Off the Primary and Secondary Storage Systems at the Same Time
      • Power Off Network Relay Devices
    • Turning Power On
      • Power On the Primary Storage System
  • Removing the Relationship Between Primary and Secondary Storage Systems
• 6 Using Journal Groups
  • Reviewing Administrator Tasks for Managing Journals
  • Registering Journal Volumes in a Journal Group
  • Deleting Journal Volumes from a Journal Group
  • Displaying Detailed Information about a Journal Group
  • Changing Options for a Journal Group
  • Deleting a Journal Group
  • Splitting a Mirror (Pairsplit-r: Suspending a Copy Operation)
  • Restoring a Mirror (Pairresync: Resuming a Copy Operation)
  • Deleting Data Volumes from a Mirror (Pairsplit-S: Ending a Copy Operation)
  • Assigning Remote Command Devices to Mirrors
  • Releasing Assigned Remote Command Device
• 7 Performing XP Continuous Access Journal Pair Operations
  • Reviewing the Pair Operation Window
    • Filtering Information in the List in the Pair Operation Window
    • Saving Pair Status Information to a Text File
  • Creating a Pair of Data Volumes (Paircreate)
  • Displaying Detailed Information about a Pair of Data Volumes
  • Changing Options for a Data Volume Pair
  • Splitting a Pair of Data Volumes (Pairsplit-r)
  • Restoring a Pair of Data Volumes (Pairresync)
  • Releasing a Pair of Data Volumes (Pairsplit-S)
  • Creating a Point-in-Time Copy of Data Volumes
  • Recovering a Pinned Track
    • Recovering a Pinned Track on an XP Continuous Access Journal Data Volume
    • Recovering a Pinned Track on an XP Continuous Access Master Data Volume
• 8 Usage Monitor Operations
  • Reviewing the Usage Monitor Window
  • Starting and Stopping Usage Monitoring
  • Displaying the Usage Monitor Graph
  • Saving Monitoring Data in Text Files
  • Viewing Pair Operation History
  • Saving Operation History to a Text File
• 9 Performing Disaster Recovery Operations
  • Preparing for Disaster Recovery
    • 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
  • Recovering from Primary Site Failures in XP Continuous Access Journal 3DC Multi-Target Configuration (When Delta Resync Operation is Performed)
  • Recovering from Primary Site Failures in XP Continuous Access Journal 3DC Cascading configuration
  • Recovering from a Failure in the Intermediate Site in a 3DC Cascading Configuration
  • Recovering from a Failure by Duplicating Volumes in a 3DC Cascading Configuration
  • Recovering from a Disaster in a 3DC Cascading Configurationof XP Continuous Access Journal and XP Continuous Access Synchronous
  • Recovering from Primary Site Disaster in a 3DC Multi-Target Configuration
  • Recovering from Primary Site Failures in 3DC Multi Target Configuration of XP Continuous Access Journal and XP Continuous Access Synchronous (When Delta Resync Operation Is Performed)
  • Recovering from a Disaster in a 2DC Configuration of XP Continuous Access Journal and XP Continuous Access Synchronous
  • Recovering the Primary Site from a Failure When the System Consists of Multiple Primary and Secondary Storage Systems
• 10 Troubleshooting
  • General Troubleshooting
  • Checking XP Continuous Access Journal Error Codes
  • Troubleshooting When Using RAID Manager
  • Checking Service Information Messages (SIMs)
  • Calling HP Technical Support
• 11 Support and Other Resources
  • Related Documentation
  • Conventions for Storage Capacity Values
  • HP Technical Support
  • Subscription Service
  • HP Websites
  • Documentation Feedback
• Glossary
• Index