Disconnecting an external path
You can disconnect all external paths connected either to a port on the local system or to a WWN on the external system. Disconnecting paths affects the external volumes mapped using the port.
An external path is disconnected for the following reasons:
Before removing a path.
To replace a path or switch
To perform maintenance on a path
To perform maintenance on the external system or volume
Prerequisite information
When you disconnect a path, make certain that alternate paths are available for mapped external volumes using the path.
Prerequisites
You must have Storage Administrator (Provisioning) role to perform this task.
Procedure
Open the External Storage window.
In the Hitachi Command Suite:
On the Resources tab, click Storage Systems, and then expand All Storage Systems.
Expand the target storage systems, right-click External Storage, and then select System GUI.
In Device Manager - Storage Navigator:
Click Storage Systems, and then expand the Storage Systems tree.
Click External Storage.
Click the External Paths tab.
On the External Paths tab, select a path group.
Click Disconnect External Paths.
In the Disconnect External Paths window, select one of the following (illustrated in the figure below):
By Ports to disconnect all external paths connected to the specified port in the local storage system.
By External WWNs to disconnect all external paths connected to the specified WWNs (ports) in the external storage system.
Click Finish.
In the Confirm window, check settings, accept or enter a new task name, and then click Apply.
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