When copying using the method described in "When canceling the system disk mirroring on the copy source" in "K.1.2 Copying Method for System Disk Mirroring (GDS)" , unmirror the relevant system disks.
When copying using the method described in "When canceling the system disk mirroring on the copy destination" , these steps are not required.
See
For procedure for canceling mirroring of system disks, see "PRIMECLUSTER Global Disk Services Configuration and Administration Guide."