Dell POWERVAULT MD3600F Owner's Manual page 135

CAUTION:
Possible loss of data access—If you do not use a multi-path driver,
shut down any host applications that are currently using the virtual disk. This
action prevents application errors when the I/O path changes.
Click Yes.
e
The ownership of the virtual disk is changed. I/O to the virtual disk is now
directed through this I/O path. You are finished with this procedure.
NOTE:
The virtual disk may not use the new I/O path until the multi-path driver
reconfigures and recognizes the new path. This action usually takes less than 5
minutes.
3 To change the RAID controller module ownership of a disk group, perform
these steps:
Select the Logical tab.
a
Select the disk group.
b
Select Disk Group Change Ownership/Preferred Path.
c
Alternatively, you can right-click the disk group and select Change
Ownership/Preferred Path from the pop-up menu.
Select the RAID controller module.
d
CAUTION:
Possible loss of data access—Changing ownership at the disk group
level causes every virtual disk in that disk group to transfer to the other RAID
controller module and use the new I/O path. If you do not want to set every virtual
disk to the new path, change ownership at the virtual disk level instead.
Click Yes.The ownership of the disk group is changed. I/O to the disk group is
now directed through this I/O path.
NOTE:
The disk group may not use the new I/O path until the multi-path driver
reconfigures and recognizes the new path. This action usually takes less than
5 minutes.
Configuration: Disk Groups and Virtual Disks
135