Configure ocr and voting backup on shared location

Backup on the default location on my master node.
We can define another backup location for the automatic backups as well as for the manual backups –
preferrable on a Shared raw device that is accessible by all the nodes

[root]# /u01/11.2.0/grid/bin/ocrconfig -showbackup

orcl1-db1-ec 2014/11/05 14:06:55 /u01/11.2.0/grid/cdata/ec/backup00.ocr

orcl1-db1-ec 2014/11/05 10:06:55 /u01/11.2.0/grid/cdata/ec/backup01.ocr

orcl1-db1-ec 2014/11/05 06:06:55 /u01/11.2.0/grid/cdata/ec/backup02.ocr

orcl1-db1-ec 2014/11/04 06:06:53 /u01/11.2.0/grid/cdata/ec/day.ocecr

orcl1-db1-ec 2014/10/28 02:06:38 /u01/11.2.0/grid/cdata/ec/week.ocr
PROT-25: Manual backups for the Oracle Cluster Registry are not available

http://uhesse.com/2010/10/06/voting-disk-and-ocr-in-11gr2-some-changes/