82 External Storage XP for the XP12000/XP10000
8. Click OK. The Path Setting window closes, and the LU Operation pane appears.
Selected rows in the Device list appear in blue italics. Specified settings appear in the Preset list. To
check setting details, right-click the setting in the Preset list, and select Detail. To cancel settings,
right-click the setting in the Preset list, and select Delete.
9. Click Apply. A confirmation message appears.
10.Click OK.
Alternative paths deleted using the Delete Paths and Path Setting window are applied to the disk array,
and the specified content appears in the Device list.
If errors occur during alternate path definition, failed settings and error codes appear in the Preset list.
To check error messages, right-click the failed setting, and select Detail.
Checking an external LU’s status (LDEV Information)
After mapping an external LU as a local disk array internal XP LDEV, the external LU is available for
operations in External Storage XP, Flex Copy, and other HP StorageWorks products that support mapped
external LUs. Use the LDEV Information window (Figure 44) to check the status of mapped external LUs.
When a failure occurs in the path between the local disk array and external disk array, the local disk array
blocks the external LU (status is Blockade). Use the LDEV Information window to restore the blocked LU’s
state.
Use the LDEV Information window to perform the following operations:
• ”Obtaining information about external LUs” on page 82
• ”Restoring external LUs (Restore)” on page 83
• ”Displaying configuration information for external LUs (Volume Detail)” on page 85
Obtaining information about external LUs
The LDEV Information window displays information about external disk arrays and external LUs mapped as
internal XP LDEVs. To display this window, select the external LU group number in the Device list, right-click
the LU you want to display in the Device list, and select LDEV Information.
Figure 44 LDEV Information window
• Vendor
External disk array’s vendor.
• Product
External disk array’s product name.
• Serial
LDEV List
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