voting disk backup 12c R1

From 12c R1c ocr automatically cover voting disk backup

[root@srv1 ~]# crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   191100f424684fb8bf5a3aec36212cf8 (/dev/oracleasm/disks/CRS1) [CRS]
 2. ONLINE   a877e9df84674f1cbfa51de258e3c9b4 (/dev/oracleasm/disks/CRS2) [CRS]
 3. ONLINE   b1090b725a014f28bf1b30b7bc122076 (/dev/oracleasm/disks/CRS3) [CRS]
Located 3 voting disk(s).
[root@srv1 ~]#

[root@srv1 ~]# dd if=/dev/oracleasm/disks/CRS1 of=/u01/voting.dmp bs=1k count=500k
512000+0 records in
512000+0 records out
524288000 bytes (524 MB) copied, 19.3217 s, 27.1 MB/s
[root@srv1 ~]#