HP XP P9500 Storage User Manual

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Table of contents

Document Outline

P9000 Continuous Access Journal for Mainframe Systems User Guide
Contents
1 Continuous Access Journal Z overview
- Continuous Access Journal Z software
- How Continuous Access Journal Z works
- Hardware and software components
- Overview of copy operations
  - Initial copy operation
  - Update copy operation
- Read and Write I/O operations during remote copy operation
- S-VOL write option
- S-VOL read option
- Difference management
- Pair status
2 Requirements and specifications
- System requirements
- Business Continuity Manager specifications
- Command device
3 Planning volumes, systems
- Plan and design workflow
- Assessing business requirements for data recovery
  - Determining your RPO
- Write-workload
  - Measuring write-workload
- Sizing journal volumes
- Data transfer speed considerations
  - RAID group configuration
  - Fibre Channel port configuration
- Planning journal volumes
  - Host I/O time stamp
- Planning pair volumes
- Disaster recovery considerations
  - Error reporting communications (ERC)
- Sharing volumes with Continuous Access Synchronous Z, other program products
- Planning for Continuous Access Journal Z with multiple P9500 systems
  - Establishing connections between multiple secondary systems
  - Planning extended consistency groups (EXCTG)
- Planning for previous models
- Guidelines for preparing systems for Continuous Access Journal Z
  - System option modes
4 Planning the data path
- Data path design workflow
- Sizing bandwidth
  - Five sizing strategies
  - Calculating bandwidth
- Planning ports for data transfer
  - Determining required number of ports
  - On setting up ports
- Distances supported for Fibre Channel type, number of switches
- Supported data path configurations
5 Using extended consistency groups
- Overview
- Register journals in an EXCTG
- Split, restore, release pairs in an EXCTG
  - Pair-split operation
  - Operations for a specific journal
- Remove journals from an EXCTG
  - Forcibly remove journals
- Using EXCTGs with P9500
6 Configuration operations
- Configuration workflow
- Define Fibre Channel port attributes
- Configure storage systems for Continuous Access Journal Z, define logical paths
- Configure additional logical paths
- Specify number of volumes for initial copy, resync
- Register journal volumes in a journal
7 Pair operations
- Pair operations workflow
- Check pair status
- Create the initial copy
- Split a pair
- Split a mirror
- Create a point-in-time copy
- Restore a pair
- Resynchronize a mirror
- Delete a pair
- Delete pair volumes from a mirror
8 Monitoring the system
- Monitor pair activity, status
  - Pair status definitions
  - Monitor copy operations data, I/O
    - Select data to be graphed
    - Manipulate graph, save data
- Monitor journal status
  - Mirror Journal status definitions
- Monitor logical path status
  - History of operations for data volume pairs
9 Maintaining the system
- Pair maintenance—change the pair-split option
- Journal and mirror maintenance
- Logical path maintenance
- Manage power-off for systems and network devices
10 Disaster recovery operations
- Preparing for disaster recovery
- File and database recovery procedures
- Switch operations to the secondary site
- Copy data back to the primary site
- Resume normal operations at the primary site
- Disaster recovery for multiple primary and secondary storage systems
  - Consistency of data update sequence when a disaster occurs
  - Disaster recovery for multiple primary and secondary storage systems
- Recovery procedures with shared volumes
11 Troubleshooting
- General troubleshooting
- Troubleshooting logical paths
- Troubleshooting suspended pairs
- Troubleshooting using Remote Web Console
- Error codes
- Service information messages (SIMs)
  - Enabling or disabling SIM reporting
  - Clearing SIMs
12 Support and other resources
- Contacting HP
  - Subscription service
  - Documentation feedback
- Related information
  - HP websites
- Conventions for storage capacity values
- Typographic conventions
A Sharing Continuous Access Journal Z volumes
- Volume types that can be shared with Continuous Access Journal Z
- Virtual LVI
- Cache Residency
- Auto LUN
- Performance Monitor
- Data Retention
B Continuous Access Journal Z configurations with Continuous Access Synchronous Z
- Sharing volumes with Continuous Access Synchronous Z
- 3 data center cascade configuration
  - Prerequisite information for 3DC cascade
  - Procedure for setting up 3DC cascade
- 3 data center multitarget configuration
  - Prerequisite information for 3DC multitarget
  - Procedure for setting up 3DC multitarget
- Delta resync configuration
C Continuous Access Journal Z configurations with Business Copy Z
- Overview
- Configurations with Business Copy Z primary volumes
- Configurations with Business Copy Z secondary volumes
- Pair status and data currency
- Using At-Time Split function when combining Continuous Access Journal Z with Business Copy Z
D Continuous Access Journal Z GUI reference
- Journal Operation window
- Journal Detail window
- Change Journal Option dialog box
- Change Mirror Option dialog box
- Edit Journal Volumes dialog box
- Pair Operation window
- DKC Operation window
- Usage Monitor window
- History window
- Optional Operation window
- EXCTG Operation window
Glossary
Index