Changing Controller Ownership of an Array or Logical Drive

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Important:

Caution: If you do not use a multi-path driver, shut down any host applications that are currently using the array to prevent application errors when the I/O path changes.

Procedure for Logical Drives

To change controller ownership of a logical drive, select a logical drive in the Logical View. Then, select either the Logical Drive >> Change >> Ownership/Preferred Path pull-down menu option, or Change >> Ownership/Preferred Path from the right-mouse pop-up menu and select the controller from the sub-menu.

Result: The ownership of the logical drive is changed. I/O to the logical drive is now directed through this I/O path.

Note: The logical drive might not use the new I/O path until the multi-path driver reconfigures to recognize the new path. Typically, this takes less than five minutes.

Procedure for Arrays

To change controller ownership of an array, select an array in the Logical View. Then, select either the Array >> Change >> Ownership/Preferred Path pull-down menu option, or Change >> Ownership/Preferred Path from the right-mouse pop-up menu and select the controller from the sub-menu.

Important: Changing ownership at the array level causes every logical drive in that array to transfer to the other controller and use the new I/O path. If you do not want to set every logical drive to the new path, change ownership at the logical drive level instead.

Result: The ownership of the array is changed. I/O to the array is now directed through this I/O path.

Note: The array might not use the new I/O path until the multi-path driver reconfigures to recognize the new path. Typically, this takes less than five minutes.

Related Topics

Learn About Controller Ownership and Performance

Learn About Failover Protection Settings

Learn About Remote Mirroring