Document Outline

• HP StorageWorks External Storage XP user guide
• Contents
• About this guide
  • Supported storage platforms and firmware
  • Intended audience
  • Prerequisites
  • Related documentation
  • Document conventions and symbols
    • Table 1 Document conventions
  • HP technical support
  • Subscription service
  • HP web sites
  • Documentation feedback
• 1 Overview of connecting external arrays
  • External Storage XP features
    • Figure 1 External Storage XP concept
• 2 Preparing for External Storage XP operations
  • System requirements
    • Storage arrays that can be connected as external arrays
      • Table 2 Storage arrays that can be connected as external arrays
  • External Storage XP requirements
    • Table 3 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
        • Figure 2 Example of alternate path configuration
        • Figure 3 Example of alternate path configuration using two switches
        • Figure 4 Example of incorrect alternate path configurations
      • Examples of switching I/O execution paths to alternate paths
        • Figure 5 Alternate path mode is Multi mode
        • Figure 6 Alternate path mode is Single mode
        • Figure 7 Alternate path mode is Single mode with alternate paths in Normal and Standby
        • Figure 8 Alternate path mode is Single mode with alternate paths in Standby only
  • 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
  • Using mapped external LUs from the host connected to the local array
    • Writing new data to mapped external LUs
      • Figure 9 Writing new data to mapped external LUs
    • Using existing data in mapped external LUs
      • Figure 10 Using existing data in mapped external LUs (without formatting)
  • Uninstalling External Storage XP
  • Limitations on External Storage XP operations
    • Figure 11 Example of external LU with 2 TB or less
    • Figure 12 External LU capacity is larger than the specified emulation type’s basic capacity (OPEN-3 example)
    • Figure 13 External LU capacity is smaller than the specified emulation type’s basic capacity
    • Table 4 When external LU’s emulation type is OPEN
    • Table 5 When external LU’s emulation type is for mainframes
  • Combining External Storage XP with other HP StorageWorks products
    • Using external LUs for Auto LUN XP operations
      • Figure 14 Example of Auto LUN XP operations
    • Using external LUs for Continuous Access XP operations
      • Figure 15 Example of Continuous Access XP operations
    • Using external LUs for Continuous Access XP Journal operations
      • Figure 16 Example of Continuous Access XP Journal operations
    • Using external LUs for Business Copy XP operations
      • Figure 17 Example of Business Copy operations
    • Using external LUs for Snapshot XP operations
      • Figure 18 Example of 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
      • Figure 19 LU Operation pane, Cache Mode setting
    • Changing the cache mode
      • Collecting device information
        • Figure 20 LU Operation pane, LU number and UUID
        • Figure 21 LU Operation pane, Path Setting option
        • Figure 22 Path Setting pane
        • Figure 23 LDEV Information pane
      • 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
    • Table 6 Recommended individual CLPR cache size for external storage on open systems
    • Table 7 Recommended individual CLPR cache size for external storage on HP storage virtualization systems
  • Creating Cache partitions
    • Figure 24 Partition Definition pane
    • Figure 25 Partition Definition pane, Cut option
    • Figure 26 Partition Definition pane, Paste Parity Group option
  • Changing storage system modes
• 4 External Storage XP panes
  • Figure 27 Panes for External Storage XP operations
  • LU Operation pane
    • Figure 28 LU Operation pane
    • Device tree
      • Figure 29 Device tree
    • Device list
      • Figure 30 Device list (external device selected in Device tree)
      • Table 8 External array status values
      • Table 9 Mapped external LU status values
    • WWN tree
      • Figure 31 WWN tree
    • WWN list
      • Figure 32 WWN list (External Devices selected in the WWN tree)
    • Port tree
      • Figure 33 Port tree
    • Port list
      • Figure 34 Port list (External selected in Port tree)
    • Filter button
      • Figure 35 Filter window
    • Preset list (LU Operation pane)
      • Figure 36 Preset Detail window (mapping operation)
  • Port Operation pane
    • Figure 37 Port Operation pane
    • Port Operation tree
      • Figure 38 Port Operation tree
    • Port Operation list
      • Figure 39 Port Operation list
    • Preset list (Port Operation pane)
      • Figure 40 Preset Detail window (changing port attribute)
• 5 Configuring external LUs
  • Overview of configuring external LUs
    • Figure 41 Overview of configuring external LUs
  • Setting an external array’s port
  • Setting a local array’s port attributes
  • Mapping external LUs (Add LU)
    • Mapping external LUs individually (Add LU)
      • Figure 42 Add LU window
      • Select Paths pane
        • Figure 43 Select Paths pane
        • Figure 44 Add LU pane (mapping using the Linear button)
        • Figure 45 Add LU pane (mapping with the Linear button released
        • Figure 46 SSID window
        • Figure 47 Set SSID window
    • Mapping multiple external LUs at one time (Add LU (Auto))
      • Figure 48 Auto Map Setting window
      • Select LDEV window
        • Figure 49 Select LDEV window
    • Displaying detailed information stored in VMA (VMA information)
      • Figure 50 VMA Information pane
  • Setting alternate paths for external LUs
    • Figure 51 Path Setting window
    • Defining alternate paths
    • Changing a defined alternate path priority
      • Figure 52 Path Setting window, shortcut menu
    • Canceling alternate path definitions
    • Changing alternate paths
  • Adding alternate paths by selecting multiple external LUs (Add Paths)
    • Figure 53 Add Paths window
  • Deleting alternate paths by selecting multiple external LUs (Delete Paths)
    • Figure 54 Delete Paths window
  • Checking an external LU’s status (LDEV Information)
    • Obtaining information about external LUs
      • Figure 55 LDEV Information window
    • Restoring external LUs (Restore)
      • Figure 56 Shortcut menu of the LDEV Information window
    • Displaying configuration information for external LUs (Volume Detail)
      • Figure 57 Volume Detail window
  • Disconnecting external arrays or LUs
    • Disconnecting all external LUs in an external array (Disconnect Subsystem)
      • Figure 58 Disconnect Subsystem and Check Paths & Restore Vol. Commands
    • 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
  • 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
    • Figure 59 Change Parameter pane
  • 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
    • Figure 60 Example of a NAS Blade system configuration that includes an external array
    • 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
      • Figure 61 Error in an external array’s disk
    • Errors in a path to the external array
      • Figure 62 Error in a path to the external array
    • Errors in all paths to the external array
      • If each node uses a different external array
        • Figure 63 Error occurs on the path to the external array used for node 1
      • If both nodes use the same external array
        • Figure 64 If both nodes use the same external array
• 7 Remote command devices
  • Overview of remote command devices
    • Figure 65 Overview of remote command device
  • Notices about remote command devices
    • Table 10 Information displayed in the Device column for remote command devices
    • Table 11 Restrictions on remote command devices
  • Mapping command devices as remote command devices
  • Using Continuous Access XP or Continuous Access XP Journal with remote command devices
    • Figure 66 Difference between Standard and Initiator/External MIX modes
    • Figure 67 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
  • Table 12 General External Storage XP troubleshooting
• A Notes on connecting external arrays
  • Connecting Thunder 9500V subsystems
    • System parameters for connecting Thunder 9500V subsystems
      • Table 13 System parameter settings (Thunder 9500V subsystems)
    • Relationship between serial numbers in the Device list on the LU Operation pane and Thunder 9500V subsystem models
      • Table 14 Relationship between serial numbers and subsystem models (Thunder 9500V subsystems)
    • Relationship between the WWN of the port on the Thunder 9500V subsystem and the controller
      • Table 15 Relationship between ports’ WWNs and controllers (Thunder 9500V subsystems)
    • Path status and examples of recovery procedures (Thunder 9500V subsystems)
      • Table 16 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
      • Table 17 System parameter settings (TagmaStore AMS and TagmaStore WMS subsystems)
    • Relationship between serial numbers in the Device list on the LU Operation pane and TagmaStore AMS and TagmaStore WMS subsystem models
      • Table 18 Relationship between serial numbers and subsystem models (TagmaStore AMS and TagmaStore WMS subsystems)
    • Relationship between the WWN of the port on the TagmaStore AMS or TagmaStore WMS subsystem and the controller
      • Table 19 Relationship between ports’ WWNs and controllers (TagmaStore AMS and TagmaStore WMS subsystems)
    • Path status and examples of recovery procedures (TagmaStore AMS and TagmaStore WMS subsystems)
      • Table 20 Path status and examples of recovery procedures (TagmaStore AMS and TagmaStore WMS subsystems)
  • Connecting XP12000/XP10000 Disk Arrays
    • Path status and examples of recovery procedures (XP12000/XP10000 Disk Arrays)
      • Table 21 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)
      • Table 22 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)
      • Table 23 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)
      • Table 24 Path status and examples of recovery procedures (SVS200)
  • Connecting EVA arrays
    • Identifying logical volumes of EVA arrays (using Characteristic 2)
      • Figure 68 Configuration example for which logical volumes can only be identified by characteristic
    • Alternate path’s behavior when an EVA array is connected
• B Required volume capacity for emulation types
  • Table 25 External LU’s maximum usable capacity
  • Figure 69 LDEV capacity
  • Figure 70 Calculating LU capacity (OPEN-3 example)
  • Table 26 LDEV capacity information for each emulation type
  • Table 27 Volume capacity information for each emulation type
• C Adjusting volume capacity for copy pair setting
  • Copying data from external arrays (using external LUs as P-VOLs)
    • Figure 71 Copying data from external arrays (using external LUs as P-VOLs)
  • Copying data to external arrays (setting external LUs as S-VOLs)
    • Figure 72 Copying data to external arrays (setting external LUs as S-VOLs)
• D Using an XP12000/XP10000/SVS200 with an EVA3000/5000 external storage
  • Preface
  • Configuration
    • Physical array connections
      • Minimum physical configuration for HA
        • Figure 73 XP12000/XP10000/SVS200-EVA minimum connections for HA
      • Expanded configuration
        • Figure 74 XP12000/XP10000/SVS200-EVA connections for expanded performance
    • Creating new EVA host objects for the XP12000/XP10000/SVS200
      • Figure 75 Creating EVA host objects
      • Figure 76 Adding ports to XP12000/XP10000/SVS200 host objects
    • Creating and presenting EVA Vdisks
      • Figure 77 Selecting Vdisk’s Preferred path/mode
      • Figure 78 Presenting Vdisks
    • Defining XP12000/XP10000/SVS200 external ports
      • Figure 79 Defining XP12000/XP10000/SVS200 external ports
    • Defining XP12000/XP10000/SVS200 external storage LDEVs
      • Figure 80 Selecting EVA LUs
      • Figure 81 XP External LDEV definition
  • Recommendations
    • Performance considerations for using EVAs as external storage
    • Defining alternate paths
      • Figure 82 Configuring alternate paths
  • Troubleshooting
• E Configuring MSA1000/1500 as external arrays
  • Configuring external array LUs, host mode, and ports
  • Connecting MSA1000/1500
    • Figure 83 Example: Connecting an MSA array
  • Setting up the MSA
  • Defining MSA array objects
    • Figure 84 Defining MSA array objects with the ACU
  • Calculating MSA LU size and defining LUs
    • Figure 85 Defining MSA LUs with ACU
  • Selective Storage Presentation
    • Figure 86 Configuring SSP with ACU
• Index
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • L
  • M
  • N
  • O
  • P
  • R
  • S
  • T
  • U
  • V
  • W
  • X