Setting Alternate Paths For External Lus - HP StorageWorks XP12000 User Manual

• Extent
Indicates whether extents are set.
• Asterisk (*): Extents are set.
• Hyphen (-): Extents are not set.
• Used Volumes
Licensed capacity for LUN Security XP Extension that the LU has used.

Setting alternate paths for external LUs

Before using an external LU mapped as an internal LDEV, you must set at least one alternate path
from the internal LDEV to the external LU (likely by way of an alternate controller). The number of
alternate paths set is the same as the number specified on the Add LU or Auto Map Setting window
when the LU was mapped as the internal LDEV. For more information, see
Use the Path Setting window
or change the alternate paths.
NOTE:
You can add or delete alternate paths by selecting multiple external LUs at one time. For more information,
see Adding alternate paths by selecting multiple external LUs (Add Paths)
Deleting alternate paths by selecting multiple external LUs (Delete
CAUTION:
You cannot delete all the current alternate paths to substitute newly-added alternate paths for them in one
operation. To replace all the current alternate paths with newly-added alternate paths, you need to perform
more than two operations and leave at least one current alternate path setting when you perform the first
operation. For the detailed procedure, see section 5.5.5.
Use the Path Setting window
You can perform the following operations on the Path Setting window:
• Defining alternate paths
• Changing a defined alternate path priority
• Canceling alternate path definitions
• Changing alternate paths
• 5.5.5 Replacing all the alternate paths with newly-added alternate paths.
The Path Setting window displays information about external arrays and the condition of paths set
from the internal LDEV to the external LU.
(Figure 51) to add and define alternate paths to the paths set at mapping
(Figure 51) to define alternate paths.
External Storage XP user guide for the XP12000, XP10000, SVS200
Alternate paths.
and
Paths).
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