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- HP XP7 High Availability User Guide
- Contents
- 1 Overview of High Availability
- About High Availability
- High Availability solutions
- HA and multi-array virtualization
- Monitoring HA status
- High Availability and server I/O
- Quorum disk and server I/O
- Initial copy and differential copy
- HA consistency groups
- HA components
- User interfaces for High Availability operations
- Configuration workflow for High Availability
- 2 System requirements
- 3 Planning for High Availability
- Storage system preparation
- Planning system performance
- Planning physical paths
- Planning ports
- Planning the quorum disk
- Planning HA pairs and pair volumes
- 4 Configuration and pair management using RAID Manager
- High Availability system configuration
- Workflow for creating an HA environment
- Initial state
- Adding the external system for the quorum disk
- Verifying the physical data paths
- Creating the command devices
- Creating the configuration definition files
- Starting RAID Manager
- Connecting the primary and secondary systems
- Creating the quorum disk
- Setting up the secondary system
- Creating a resource group (P-VOL not registered to a VSM)
- Creating a resource group (P-VOL registered to a VSM)
- Reserving a host group ID
- Deleting the virtual LDEV ID of the S-VOL
- Reserving an LDEV ID for the S-VOL
- Setting the reservation attribute on the S-VOL
- Creating additional host groups in a VSM
- Creating a pool
- Creating the S-VOL
- Adding an LU path to the S-VOL
- Updating the RAID Manager configuration definition files
- Creating the HA pair
- Adding an alternate path to the S-VOL
- Releasing the differential data managed in a pool
- 5 HA pair operations
- 6 Using Command View Advanced Edition to set up High Availability
- Setting up a High Availability environment
- Monitoring and managing High Availability pairs
- Allocating High Availability pairs
- Allocating High Availability pairs based on like volumes
- Allocating High Availability pairs using allocated volumes
- Checking High Availability pair status
- Protecting High Availability pairs
- Unallocating High Availability pairs
- Unallocating individual High Availability volumes
- Recovering from High Availability failures
- Discontinuing a High Availability environment
- 7 Disaster recovery of High Availability
- Failure locations
- SIMs related to HA
- Pair condition before failure
- Pair condition and recovery: server failures
- Pair condition and recovery: path failure between the server and storage system
- Pair condition and recovery: P-VOL failure (LDEV blockade)
- Pair condition and recovery: S-VOL failure (LDEV blockade)
- Pair condition and recovery: full pool for the P-VOL
- Pair condition and recovery: full pool for the S-VOL
- Pair condition and recovery: path failure from the primary to secondary system
- Pair condition and recovery: path failure from the secondary to primary system
- Pair condition and recovery: primary system failure
- Pair condition and recovery: secondary system failure
- Pair condition and recovery: path failure from the primary to external system
- Pair condition and recovery: path failure from the secondary to external system
- Pair condition and recovery: quorum disk failure
- Pair condition and recovery: external system failure
- Pair condition and recovery: other failures
- Recovering the storage systems from a primary site failure (external system at primary site)
- Reversing the P-VOL and S-VOL
- Resolving failures in multiple locations
- 8 Planned outage of High Availability storage systems
- Planned power off/on of the primary system
- Planned power off/on of the secondary system
- Planned power off/on of the external storage system (I/O at primary site)
- Planned power off/on of the external storage system (I/O at secondary site)
- Planned power off/on of the primary and secondary systems
- Planned power off/on of the primary and external storage systems
- Planned power off/on of the secondary and external storage systems
- Planned power off/on of all HA storage systems
- 9 Data migration and volume reuse
- 10 Troubleshooting
- 11 Support and other resources
- 12 Documentation feedback
- A Correspondence between GUI operations and CLI commands
- B Regulatory information
- Index