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Performing Universal Volume Manager Operations
5-25
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
Changing the Cross-subsystem Path
To change the cross-subsystem path, cancel the current cross-subsystem path,
and configure another cross-subsystem path as a new cross-subsystem path.
Replacing All the Cross-subsystem Paths with Newly-added Cross-
subsystem Paths
This section explains how to change all the current cross-subsystem paths to
newly-added cross-subsystem paths with an example.
Figure 5-12 shows the overview of the operation and the status of the cross-
subsystem paths. When you delete the current cross-subsystem paths (A and
B) and add new cross-subsystem paths (C and D), you cannot delete both the
current cross-subsystem paths (A and B) in one operation because at least one
current path which functions normally has to be configured. In this case, you
need to delete the cross-subsystem path A and add the cross-subsystem path
C, and then apply the setting. After that, you need to delete the cross-
subsystem path B and add the cross-subsystem path D.
Legend
:
Internal volume where external volume is mapped
Internal
Volume
External
Volume
A
B
C
D
:
Cross-subsystem path whose status is Normal
:
Cross-subsystem path whose status is Disconnect
:
Added cross-subsystem path
Internal
Volume
External
Volume
A
B
C
D
Internal
Volume
External
Volume
A
B
C
D
Internal
Volume
External
Volume
A
B
C
D
Internal
Volume
External
Volume
A
B
C
D
Execute the
Disconnect Paths
command
on the cross-subsystem path A.
Delete the cross-subsystem path A,
add the cross-subsystem path C,
and then apply the setting.
Execute the
Disconnect Paths
command
on the cross-subsystem path B.
Delete the cross-subsystem path B,
add the cross-subsystem path D,
and then apply the setting.
Figure 5-12
Overview of Operation to Replace All the Current Cross-
subsystem Paths with Newly-added Cross-subsystem Paths
Содержание MK-96RD626-07
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