HP StorageWorks XP External Storage user guide: HP XP12000 Disk Array, HP XP10000 Disk Array, HP 200 Storage Virtualization System (T1706-96017, June 2010)
WWN list
Displays information about the connection status of the local array and external array corresponding
to the item selected in the WWN tree. You can sort the list by displayed items. For example, to sort
by the LUN number, select LUN on the list.
When performing setting operations, the settings appear in the Preset list and the corresponding row
in the WWN list appears in blue italics. For more information, see Preset list (LU Operation pane).
Figure 32 WWN list (External Devices selected in the WWN tree)
.
Following items are displayed in the WWN list. The displayed contents differ depending on the items
selected in the WWN tree. The items displayed in the WWN list are described below on each item
selected in the WWN tree.
• Subsystem
When selected, displays nothing in the WWN tree. Subsystem is selected when you initially display
the WWN tree.
• External Devices
• Serial: Product serial number.
• Product: Product name.
• Vendor: Vendor name.
• Ex-Dev. Status: Status of the operation executed to the external array, or status of the path
connection. Possible values: Normal, Unknown, Blockade, Warning, Checking, Cache Destage,
or Disconnect. For a description of these values, see Table 7.
• LDEV Status: Mapped external LU's status. Possible values: Normal, Unknown, Blockade,
Warning, or Format. For a description of these values, see Table 8.
• Product name of the connected external array
• WWN: WWN identifying the port in the external array for which the connection setting is
completed.
• Path: Number of set paths.
• I/O TOV: Value specified as the timeout for I/O to the external LU.
• Qdepth: Number of Read/Write commands that can be issued (queued) to the external LU at
one time.
• Path Watch: Time period beginning when the connection of all paths to the external LU are
down and ending when the external LU is blocked.
• Mode: How alternate paths between the local array and external array work. Alternate path
modes include:
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