Changing a Primary Mirrored Virtual Disk to a Secondary Virtual Disk
Use the Change Role to Secondary option to perform a between the two paired in a . This option demotes a selected to become the of the mirrored pair. If the associated secondary virtual disk can be contacted, the secondary virtual disk is automatically promoted to be the primary virtual disk. Use this option for role reversals during normal operating conditions. You can also use this option during a Recovery Guru procedure for a Remote Virtual Disk Mirror status condition.
Important:
Any that are accessing the primary virtual disk through a will have read-only access to the virtual disk. When the primary virtual disk becomes a secondary virtual disk, only initiated by the primary will be written to the virtual disk.
If a communication problem between the primary and secondary sites prevents the promotion of the secondary virtual disk, an error message is displayed. However, you are given the opportunity to proceed with the demotion of the primary virtual disk, even though this will lead to a Remote Virtual Disk Mirror status condition. For more information, see Forcing a Primary Virtual Disk to Change to a Secondary Virtual Disk.
This option is not available unless the has been activated.
If the selected primary virtual disk has associated , demoting this virtual disk to a secondary role will cause the associated snapshot virtual disks to fail ONLY if the Remote Virtual Disk Mirror was created on the of an existing snapshot virtual disk.
1
Select the primary virtual disk in the Logical View, then, select
Virtual Disk >> Remote Virtual Disk Mirroring >> Change >> Role to Secondary.
2
Click Yes.
The primary virtual disk is demoted to be the secondary virtual disk in the Remote Virtual Disk Mirror.
If the of the secondary virtual disk can be contacted, the secondary virtual disk is automatically promoted to be the primary virtual disk in the Remote Virtual Disk Mirror.
Example
The above example of a Logical View shows the primary virtual disk Accounting and the secondary virtual disk Accounting2, from a remote .
After selecting the primary virtual disk Accounting and using the Change >> Role to Secondary option, the virtual disk Accounting is displayed as a secondary virtual disk in the Logical View. The (former) secondary virtual disk Accounting2, from a remote storage array, is now the primary virtual disk of the Remote Virtual Disk Mirror and is no longer displayed in the for Storage Array East.
