Using the reset Command

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Use this command and its parameters to do the following:

For more information about controller ownership, see the Subsystem Management Window online help.

If you want to...

Use this command and parameters

Reset the controller

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Base Command and Required Parameters

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reset controller [controller-spec];

where:

[controller spec] = a or b (a = controller in slot A, and b = controller in slot B)

Example

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Command statement:

reset controller [a];

Execution result: The controller in slot A is reset.

restore logical drives to their preferred controller owners

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Base Command and Required Parameters

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reset storagesubsystem logicalDriveDistribution

Caution: If you use this option without a multi-path driver on the hosts, stop I/O to the logical drives while this operation is in progress to prevent application errors.

Example

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Command statement:

reset storagesubsystem logicalDriveDistribution

Execution result:

All storage subsystem logical drives are redistributed to their preferred owners. Selecting a logical drive in the Logical View displays an association dot next to the controller in the Physical View that is both the current owner and the preferred owner.

Important: Under certain application host operating system environments, a reconfiguration of the multi-path host driver might be an additional requirement. You may also need to make operating system modifications to recognize the new I/O path to the logical drives.

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