HP XP P9500 Storage User Manual

Hp xp p9000 continuous access journal user guide

Table of contents

Document Outline

HP XP P9000 Continuous Access Journal User Guide
Contents
1 Continuous Access Journal overview
- Continuous Access Journal software
- How Continuous Access Journal works
- Hardware and software components
- Reference Information
2 Requirements and specifications
- System requirements
3 Planning volumes, P9500 systems
- Plan and design workflow
- Assessing business requirements for data recovery
  - Determining your RPO
- Write-workload
  - Measuring write-workload
- Sizing journal volumes
- Planning journals
- Data transfer speed considerations
  - RAID group configuration
  - Fibre-channel port configuration
- Planning journal volumes
- Planning pair volumes
  - Maximum number of pairs allowed
    - Calculating maximum number of pairs
  - Maximum initial copy operations and priorities
- Disaster recovery considerations
  - Host failover software
- Sharing volumes with other P9500 software volumes
- Planning Cnt Ac-J in multiple P9500s using a consistency group
  - Multiple journals per RAID Manager consistency group
  - 3DC configurations using 3 Cnt Ac-J sites
- Planning for previous models
- Guidelines for preparing systems for Cnt Ac-J
  - System option modes
4 Planning the data path
- Data path design workflow
- Sizing bandwidth
  - Five sizing strategies
  - Calculating bandwidth
- Planning ports for data transfer
  - Port types
  - Determining required number of ports
- Cable length and switch requirements
- Supported data path configurations
5 Configuration operations
- Configuration workflow
- Defining fibre-channel port attributes
- Configuring local and remote systems for Cnt Ac-J
- Configuring additional logical paths
- Specifying number of concurrent initial/resync copies
- Registering journal volumes in a journal
6 Pair operations
- Pair operations workflow
- Checking pair status
- Creating the initial copy
- Splitting pairs
- Splitting mirrors
- Creating point-in-time copies
- Resynchronizing pairs
- Resynchronizing mirrors
- Deleting pairs
- Deleting pairs in a mirror
7 Monitoring the system
- Monitoring pair activity and status
  - Pair status definitions
- Saving pair information to a text file
- Monitoring copy operations data, I/O with Usage Monitor
  - Selecting data to be graphed
  - Manipulating graph, save data
- Monitoring I/O and hardware performance with Performance Monitor
- Monitoring journal (mirror) status
  - Remote Web Console mirror status definitions
  - RAID Manager mirror status definitions
- Monitoring logical path status
- History of pair operations
8 Maintaining the system
- Pair maintenance—changing the pair-split option
- Journal and mirror maintenance
- Logical path maintenance
- Managing power-off for systems and network devices
9 Disaster recovery operations
- Overview
- General recovery procedures
- Recovery for 3 Cnt Ac-J data centers
  - Recovery for 3 Cnt Ac-J DC cascade configuration
  - Recovery for 3 Cnt Ac-J DC multi-target configuration
- Recovery for 3 Cnt Ac-J/Cnt Ac-S data centers and 3 Cnt Ac-J data centers
- Recovery for configurations with Cnt Ac-J/Business Copy
10 Troubleshooting
- General troubleshooting
- Troubleshooting logical paths
- Troubleshooting by suspension type
- Troubleshooting hardware problems affecting pairs
- Troubleshooting with RAID Manager
- Service information messages (SIMs)
- Miscellaneous troubleshooting
  - Delta resync operation
  - Suspension among journals
11 Support and other resources
- Contacting HP
  - Subscription service
  - Documentation feedback
- Related information
  - HP websites
- Conventions for storage capacity values
- Typographic conventions
A 3 Cnt Ac-J data-center configurations
- Overview
- 3 Cnt Ac-J DC cascade configuration
- 3 Cnt Ac-J DC multi-target configuration
B Sharing volumes
- Volume types that can be shared with Continuous Access Journal
- Cache Residency
- Data Retention
- Thin Provisioning
- External Storage Access Manager (ESAM)
- LUN Expansion
- LUN Manager
- Fast Snap and Snapshot
  - Configuration with FS and SS volumes
  - Sharing FS and SS volumes in 3DC configurations
- Virtual LUN
- Auto LUN
C Configurations with Continuous Access Synchronous
- Sharing volumes with Continuous Access Synchronous
- 3DC cascade configuration
  - Prerequisite information for 3DC cascade
  - Procedure for setting up 3DC cascade
- 3DC multi-target configuration
  - Prerequisite information for 3DC multi-target
  - Procedure for setting up 3DC multi-target
- Delta resync configuration
- 2 Data center configuration
  - Prerequisite information for 2DC configuration
    - Specifications and restrictions for Continuous Access Journal pair operations
    - Specifications and restrictions for Continuous Access Synchronous pair operations
  - Procedure for a 2DC configuration
D Configurations with Business Copy
- Overview
- Configurations with Business Copy primary volumes
- Configurations with Business Copy secondary volumes
- Pair status and data currency
E 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
Glossary
Index