However this won't work when on ASM, you can only replace them into another DG:
crsctl add votedisk
The OCR on the other side, since a normal file, allows additional OCRs to be created in different diskgroups.
crsctl replace votedisk +DG
[oracle11@rac01 ~]$ ocrcheck Status of Oracle Cluster Registry is as follows : Version : 3 Total space (kbytes) : 262120 Used space (kbytes) : 3144 Available space (kbytes) : 258976 ID : 1435023663 Device/File Name : +DG_CLUSTER Device/File integrity check succeeded Device/File not configured Device/File not configured Device/File not configured Device/File not configured Cluster registry integrity check succeeded Logical corruption check bypassed due to non-privileged user