Use the Activate Enhanced Remote Mirroring Wizard - Introduction dialog to specify where to allocate capacity for the .
Important:
The or that you select for the mirror repository logical drives must have a total of 256 MB capacity available. Two mirror repository logical drives are created on this capacity, one for each controller. Any existing mirror repository logical drives with a capacity of 4 MB must be upgraded to 128 MB.
Note:
If you do not highlight either type of node, the Free Capacity option is selected. However, if no capacity is available, the Unconfigured Capacity option is selected.The Free Capacity option is selected by default if you first highlighted a free capacity node on the Logical tab before entering the wizard. This option is also the default selection if you have free capacity on the storage subsystem, but no unconfigured capacity.
The Unconfigured Capacity option is selected if you first highlighted the unconfigured capacity node on the Logical tab or if you selected unassigned disk drives on the Physical tab before you entered the wizard. This option is also the default selection if you have unconfigured capacity on the storage subsystem but do not have free capacity on any existing arrays.