Changing a Secondary Mirrored Virtual Disk to a Primary Virtual Disk

Use the Change Role to Primary option to perform a  between the two paired  in a . This option promotes a selected  to become the  of the mirrored pair. If the associated primary virtual disk can be contacted, the primary virtual disk is automatically demoted to be the secondary virtual disk. Use this option when a catastrophic failure has occurred to the  that contains the primary virtual disk and you want to promote the secondary virtual disk so that  can access data and business operations can continue.

Important:

• When the secondary virtual disk becomes a primary virtual disk, any hosts that are accessing the virtual disk through a  will now be able to write to the virtual disk.
• If a communication problem between the secondary and primary sites prevents the demotion of the primary virtual disk, an error message is displayed. However, you are given the opportunity to proceed with the promotion of the secondary virtual disk, even though this will lead to a  Remote Virtual Disk Mirror status condition. For more information, see Forcing a Secondary Virtual Disk to Change to a Primary Virtual Disk.
• This option is not available unless the  has been activated.

Example

The above example of a Logical View shows the secondary virtual disk Accounting that is present in Storage Array East.

After selecting the secondary virtual disk Accounting and using the Change >> Role to Primary option, the virtual disk Accounting is displayed as a primary virtual disk in the Logical View. The secondary virtual disk Accounting2, from a remote storage array, is displayed as a child node of the primary virtual disk Accounting node in the Array Management Window.

Related Topics

Forcing a Secondary Virtual Disk to Change to a Primary Virtual Disk

Enabling Premium Features

Using the Activate Remote Virtual Disk Mirroring Wizard