Document Outline

• HP XP7 Fast Snap User Guide
• Contents
• 1 Overview of Fast Snap
  • Workflow for Fast Snap
    • Workflow of the storing of snapshot data
  • Components of Fast Snap
    • Components of Fast Snap pairs
    • Consistency and snapshot groups
    • Consistency groups and splitting pairs
    • Fast Snap
    • Thin Provisioning
      • Thin Provisioning licensed capacity
    • RAID Manager
  • How Fast Snap works
    • Fast Snap pools and pool volumes
    • Virtual volumes and Fast Snap pairs
    • Workflow for creating groups and storing snapshot data using the RAID Manager
    • How snapshot data is stored
      • Workflow for the CAW method
      • Workflow for the COW method
    • Fast Snap pair restoration
  • Fast Snap pair status
  • The copy threshold option and host server I/O performance
  • Sharing FS volumes with other XP7 storage system software applications
    • Sharing volumes and Data Retention access attributes
      • Access attributes and supported FS tasks
    • Sharing Fast Snap volumes with Auto LUN
    • Sharing Fast Snap volumes with Business Copy
    • Sharing Fast Snap volumes with Continuous Access Synchronous and Continuous Access Journal
      • Volume backup in a 3DC multi-target configuration workflow
    • Capacity and using Fast Snap, Thin Provisioning, and Thin Provisioning Z in a single storage system
    • Resource Partition
  • Acronyms and abbreviations for XP7 storage system software applications used in this guide
• 2 Planning and design requirements
  • System requirements
    • Fast Snap task requirements
      • Workflow for installing Fast Snap
      • Downloading Fast Snap for Remote Web Console
      • Workflow for removing Fast Snap
    • Fast Snap licensed capacity requirements
    • Shared memory and the management area
      • Shared memory requirements
      • Changing shared memory
    • Fast Snap volume requirements
    • Fast Snap data pool requirements
    • Consistency group requirements
    • Snapshot group requirements
  • Requirements for Fast Snap tasks
    • Calculating the number of Fast Snap pairs based on pair tables
    • Workflow for calculating Fast Snap pairs based on the snapshot estimated manageable capacity
    • Calculating the remaining shared memory
    • Workflow for calculating Fast Snap pairs based on cache management devices
    • Calculating the number of cache management devices
    • Fast Snap cache management device requirements
    • Fast Snap pair restoration and host server I/O performance
    • Calculating and assigning pool capacity
      • Workflow for resolving insufficient pool capacity
      • Pool capacity calculations
      • Workflow for creating a backup of data
    • External Storage and external volumes used as pool-VOLs
• 3 Configuring Fast Snap
  • Setting up to configure Fast Snap
  • Workflow for configuring Fast Snap
    • Workflow for creating and managing Fast Snap pairs
    • Workflow for creating Fast Snap data pools
      • Creating Fast Snap data pools
      • Selecting pool volumes
      • Pool creation and data drive type priority
  • Workflow for registering virtual volumes
    • Editing the SSID for virtual volumes
    • Changing LDEV settings
      • Confirming used LDEV IDs
      • Confirming generated LDEV SSIDs
    • Creating LDEVs
      • Removing LDEVs from registering tasks
      • Workflow for recognizing devices from the host server
      • Host server stoppages and device recognition issues
  • Overview of using the RAID Manager to run commands through in-band connections
  • Changing system options that affect Fast Snap performance
  • Changing CLPR numbers
• 4 Managing Fast Snap Pairs
  • Fast Snap pair tasks
  • Checking Fast Snap pair status
  • Reloading configuration information
  • Workflow for creating and managing Fast Snap pairs
  • Workflow for creating Fast Snap pairs using Remote Web Console
  • Creating Fast Snap pairs and defining them in snapshot or consistency groups using the RAID Manager
  • Creating Fast Snap pairs
    • Selecting a pool as your primary volume
    • Complex Fast Snap pairs
      • Workflow for adding secondary volumes to existing FS pairs
      • Workflow for creating Fast Snap pairs of different configurations
    • Workflow for sharing volumes with Continuous Access Synchronous or Continuous Access Journal
  • Workflow for defining pairs to consistency groups when the host is down
  • Snapshot data storage methods
  • Splitting Fast Snap pairs to store snapshot data
    • Splitting Fast Snap pairs to store snapshot data using the RAID Manager
  • Workflow for splitting Fast Snap pairs in consistency groups
    • Workflow for consistency group pair-split with shared volumes
  • Restoring Fast Snap pairs
    • Workflow for restoring suspended Fast Snap pairs
  • Formatting external volumes
  • Fast Snap pair resynchronization
    • Pair resynchronization methods
      • Forward resynchronization
      • Reverse resynchronization
    • Resynchronizing Fast Snap pairs
      • Workflow for assigning MU numbers to deleted snapshot data
  • Deleting Fast Snap pairs
    • Workflow for accelerating the pair deletion process
    • Releasing Fast Snap pairs
    • Workflow for removing snapshot groups
• 5 Monitoring and maintaining Fast Snap
  • Monitoring pair information
    • Viewing summary replication information
    • Viewing local replication summary information
    • Viewing LDEV properties
    • Viewing the number of pairs and a list of pairs
      • Fast Snap pair status definitions
    • Monitoring pair properties
    • Monitoring synchronous rates
  • Monitoring consistency groups
    • Viewing the number of consistency groups
    • Viewing consistency group list
    • Viewing consistency group properties
  • Viewing Fast Snap pair task history
  • Viewing the number of cache management devices
  • Managing pools
    • Monitoring pool information
    • Viewing formatted pool capacity and pool usage rates
    • Workflow for rebalancing pool volume usage rates among parity groups
    • Viewing the progress of rebalancing pool volume usage rates and levels
    • Increasing pool capacity
      • Available pool capacity formatting and increasing pool capacity
    • Decreasing pool capacity
      • Stopping the process of decreasing pool capacity
    • Editing the data pool warning threshold
    • Editing pool names
    • Recovering blocked pools
    • Workflow for deleting pools
      • Deleting pools
  • Managing virtual volumes
    • Editing virtual volume names
    • Releasing virtual volume definitions
    • Workflow for deleting V-VOLs specified for Fast Snap S-VOLs
      • Deleting virtual volumes
  • Maintaining pairs by switching off the storage system power and replacing the microcode
    • Workflow for switching off the power supply
      • Power supply and existing shared memory
      • Power supply and losing data in shared memory
    • Preventing the loss of pool and pair data
• 6 Troubleshooting
  • General troubleshooting
    • Workflow for completing SIMs related to cache management devices
      • Calculating the number of the remaining cache management devices
    • Workflow for correcting problems related to SIMs
    • Automatic completion of SIMs
    • Manually completing SIMs
    • Confirming SIM completion
    • Workflow for recovering blocked pools
  • Troubleshooting restoring Fast Snap pairs using RAID Manager
• 7 Support and other resources
  • Contacting HP
    • Subscription service
    • Documentation feedback
  • Related information
    • HP websites
  • Conventions for storage capacity values
  • Typographic conventions
• A RAID Manager command reference
  • Pair tasks using the RAID Manager or Remote Web Console
    • RAID Manager pair command results
  • Troubleshooting with RAID Manager
  • Issues and abnormal termination when splitting pairs
    • Workflow for troubleshooting storing snapshot data for groups
    • Maintaining the consistency of snapshot data
• B Fast Snap GUI reference
  • Replication window
  • Local Replication window
  • View Pair Synchronous Rate window
  • View Pair Properties window
  • Histories window
  • Consistency Group Properties window
  • Create Pools wizard
    • Create Pools window
    • Confirm window
  • Create Pairs wizard
    • Select Pair Configuration window
    • Select Primary Volumes window
    • Select Secondary Volumes window
    • Confirm window
  • Select Pool window
  • Split Pairs wizard
    • Split Pairs window
    • Confirm window
  • Resync Pairs wizard
    • Resync Pairs window
    • Confirm window
  • Delete Pairs window
  • Edit Local Replica Options wizard
    • Edit Local Replica Options window
    • Confirm window
• Glossary
• Index