Document Outline

• External Storage XP user guide for the XP12000, XP10000, SVS200
• Table of Contents
• About this guide
  • Supported storage platforms and firmware
  • Intended audience
  • Prerequisites
  • Related documentation
  • Document conventions and symbols
  • HP technical support
  • Subscription service
  • HP web sites
  • Documentation feedback
• 1 Overview of connecting external arrays
  • External Storage XP features
• 2 Preparing for External Storage XP operations
  • System requirements
    • Storage arrays that can be connected as external arrays
  • External Storage XP requirements
  • Installing External Storage XP
  • Preparing for External Storage XP settings
    • External ports
    • External LU to be mapped
    • External LU groups
    • External LU attributes set by mapping
    • Alternate paths
      • Example of an alternate path configuration
      • Examples of switching I/O execution paths to alternate paths
  • Powering arrays on or off
    • Powering local arrays on or off
      • To power local arrays off
      • To power local arrays on
    • Powering external arrays on or off
      • To power external arrays off
      • To power external arrays on
    • Turning On or Off Power Supply of Both local and external arrays
  • Using mapped external LUs from the host connected to the local array
    • Writing new data to mapped external LUs
    • Using existing data in mapped external LUs
  • Uninstalling External Storage XP
  • Limitations on External Storage XP operations
  • Combining External Storage XP with other HP StorageWorks products
    • Using external LUs for Auto LUN XP operations
    • Using external LUs for Continuous Access XP operations
    • Using external LUs for Continuous Access XP Journal operations
    • Using external LUs for Business Copy XP operations
    • Using external LUs for Snapshot XP operations
• 3 Managing cache with external storage
  • Guidelines for using cache with external storage
  • Determining, setting, or changing the external LU cache mode
    • Determining if the cache mode is disabled
    • Changing the cache mode
      • Collecting device information
      • Deleting and remapping the external LU
  • Partitioning cache for external storage
    • For example, Company A uses:
    • In another example, Company B uses the following storage tiers:
    • To partition cache for external storage:
  • Determining the number and size of needed partitions
  • Creating cache partitions
  • Changing storage system modes
• 4 External Storage XP panes
  • LU Operation pane
    • Device tree
    • Device list
    • WWN tree
    • WWN list
    • Port tree
    • Port list
    • Filter button
    • Preset list (LU Operation pane)
  • Port Operation pane
    • Port Operation tree
    • Port Operation list
    • Preset list (Port Operation pane)
• 5 Configuring external LUs
  • Overview of configuring external LUs
  • Setting an external array's port
  • Setting a local array's port attributes
  • Discovering and Mapping LUs
    • Mapping external LUs individually (Add LU)
      • Select Paths pane
    • Mapping multiple external LUs at (Add LU (Auto))
      • Select LDEV window
    • Displaying detailed information stored in VMA (VMA information)
  • Setting alternate paths for external LUs
    • Defining alternate paths
    • Changing a defined alternate path priority
    • Canceling alternate path definitions
    • Changing alternate paths
    • Replacing All the Alternate Paths with Newly-added Alternate Paths
  • Adding alternate paths by selecting multiple external LUs (Add Paths)
  • Deleting alternate paths by selecting multiple external LUs (Delete Paths)
  • Checking an external LU's status (LDEV Information)
    • Obtaining information about external LUs
    • Restoring external LUs (Restore)
    • Displaying configuration information for external LUs (Volume Detail)
  • Disconnecting external arrays or LUs
    • Disconnecting all external LUs in an external array (Disconnect Subsystem)
    • Disconnecting external LUs individually (Disconnect Volume)
  • Checking the connection status and resuming external LU operations (Check Paths & Restore Vol.)
    • Restoring all external LUs in an external array (Check Paths & Restore Vol.)
    • Restoring external LUs individually (Check Paths & Restore Vol.)
  • Restoring external LUs (LDEV Restore)
    • Restoring volumes in an external array
    • Restoring volumes in a mapped external LU individually
  • Changing the cache mode setting of the external LU
  • Changing the cache mode of all external LUs in an external array
  • Changing the cache mode of an individual external LU
  • Stopping the use of paths to an external LU by specifying an external array's WWN (Disconnect Paths)
  • Restoring paths to an external LU by specifying an external array's WWN (Check Paths)
  • Changing an external array's port setting
  • Stopping the use of paths to an external LU by specifying a local array's port (Disconnect Paths)
  • Restoring paths to an external LU by specifying a local array's port (Check Paths)
  • Deleting external LU mappings (Delete LU)
• 6 Troubleshooting NAS Blade systems that include external arrays
  • Stopping and restarting external arrays
    • Stopping external arrays
    • Restarting external arrays and restoring NAS Blade systems
  • Recovery procedures for errors in external arrays
    • Errors in an external array's disk
    • Errors in a path to the external array
    • Errors in all paths to the external array
      • If each node uses a different external array
      • If both nodes use the same external array
• 7 Remote command devices
  • Overview of remote command devices
  • Notices about remote command devices
  • Mapping command devices as remote command devices
  • Using Continuous Access XP or Continuous Access XP Journal with remote command devices
    • Using Initiator/External MIX mode
    • Restrictions on Initiator/External MIX mode
• 8 Troubleshooting External Storage XP
• A Notes on connecting external arrays
  • Connecting Thunder 9500V subsystems
    • System parameters for connecting Thunder 9500V subsystems
    • Relation btw. ser. nums. in the Dev. list on LU Op. pane & Thunder 9500V subsys. mod.
    • Relationship between the WWN of the port on the Thunder 9500V subsystem and the controller
    • Path status and examples of recovery procedures (Thunder 9500V subsystems)
  • Connecting TagmaStore AMS and TagmaStore WMS subsystems
    • System parameters for connecting TagmaStore AMS and TagmaStore WMS subsystems
    • Rel. btw. ser. numbs. in Dev. list on the LU Op. pane & T-Stor. AMS & T-Stor. WMS subsys. mods.
    • Relation btw. the WWN of the port on the TagmaStore AMS or TagmaStore WMS subsys. and contr.
    • Path status and examples of rec. proce. (TagmaStore AMS and TagmaStore WMS subsys.)
  • Connecting XP12000/XP10000 Disk Arrays
    • Path status and examples of recovery procedures (XP12000/XP10000 Disk Arrays)
  • Connecting XP1024/XP128 Disk Arrays
    • Path status and examples of recovery procedures (XP1024/XP128 Disk Arrays)
  • Connecting XP512/XP48 Disk Arrays
    • Path status and examples of recovery procedures (XP512/XP48 Disk Arrays)
  • Connecting HP 200 Storage Virtualization System as external storage
    • Path status and examples of recovery procedures (SVS200)
  • Connecting EVA arrays
    • Identifying logical volumes of EVA arrays (using Characteristic 2)
    • Alternate path's behavior when an EVA array is connected
• B Required volume capacity for emulation types
• C Adjusting volume capacity for copy pair setting
  • Copying data from external arrays (using external LUs as P-VOLs)
  • Copying data to external arrays (setting external LUs as S-VOLs)
• D Configuring MSA1000/1500 as external arrays
  • Configuring external array LUs, host mode, and ports
  • Connecting MSA1000/1500
  • Setting up the MSA
  • Defining MSA array objects
  • Calculating MSA LU size and defining LUs
  • Selective Storage Presentation
• Index