HP XP Racks User Manual
HP Computer Accessories
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Table of contents
Document Outline
- HP XP P9000 External Storage Access Manager User Guide
- Contents
- 1 External Storage Access Manager overview
- 2 System implementation planning and system requirements
- The workflow for planning External Storage Access Manager implementation
- Required hardware
- Multipath software
- Storage system requirements
- Licenses
- License capacity
- Pair volume requirements
- Quorum disk requirements
- Data path requirements and recommendations
- Remote Web Console requirements
- External storage systems
- Planning failover
- Preventing unnecessary failover
- Sharing volumes with other HP software products
- 3 System configuration
- 4 Working with volume pairs
- Workflow for ESAM volume pairs
- Reasons for checking pair status
- When to check pair status?
- How pair status reflects system events and use
- What pairs information can you view and where is it?
- How hosts see volume pairs
- Checking pair status
- Pair status values
- Volume pair creation
- To verify host recognition of the ESAM P-VOL and S-VOL
- How multipath software shows storage serial number for pairs
- Splitting pairs
- Resynchronizing pairs
- Releasing a pair
- Changing Continuous Access Synchronous pairs to ESAM pairs
- Comparison of the RAID Manager commands and Remote Web Console
- 5 System maintenance
- Applications used to perform maintenance tasks
- Related documentation
- The different types of maintenance tasks
- Switching paths using multipath software
- Discontinuing ESAM operations
- Quorum disk ID deletion
- Recovery of accidently deleted quorum disks
- Planned outages for system components
- Options for performing the planned outages
- The procedures for performing planned outages
- Performing planned outages (quorum disk only)
- Performing planned outages (primary storage system and quorum disk)
- Performing planned outages (secondary storage system and quorum disk)
- Performing planned outages (both storage systems and quorum disk)
- 6 Disaster recovery
- Main types of failures that can disrupt your system
- The basic recovery process
- System failure messages
- Detecting failures
- Determining which basic recovery procedures to use
- Recovery from blocked pair volumes
- Recovery from quorum disk failure
- Recovery from power failure
- Recovery from failures using resynchronization
- Recovering from path failures
- Allowing host I/O to an out-of-date S-VOL
- Recovery for pairs shared by multiple hosts with VMware
- 7 Using ESAM in a cluster system
- 8 Troubleshooting
- 9 Support and other resources
- A Conventions
- B ESAM GUI reference
- Glossary
- Index