[root@node1 ocrbak]# /u01/app/oracle/product/10.2.0/crs_1/bin/ocrconfig -export /u01/app/oracle/ocr_export140210_06.bak
PROT-4: Failed to retrieve data from the cluster registry

node1-> ocrcheck
Status of Oracle Cluster Registry is as follows :
         Version                  :          2
         Total space (kbytes)     :    1043916
         Used space (kbytes)      :       5408
         Available space (kbytes) :    1038508
         ID                       : 1855713603
         Device/File Name         : /dev/raw/raw1
                                    Device/File integrity check succeeded
         Device/File Name         : /dev/raw/raw3
                                    Device/File integrity check succeeded

         Cluster registry integrity check succeeded

node1-> cluvfy comp ocr -n all

Verifying OCR integrity 

Checking OCR integrity...

Checking the absence of a non-clustered configuration...
All nodes free of non-clustered, local-only configurations.

Uniqueness check for OCR device passed.

Checking the version of OCR...
OCR of correct Version "2" exists.

Checking data integrity of OCR...
Data integrity check for OCR passed.

OCR integrity check passed.

Verification of OCR integrity was successful.

[root@node1 oracle]# /u01/app/oracle/product/10.2.0/crs_1/bin/ocrconfig -export /u01/app/oracle/ocr_export140210_04.bak
PROT-4: Failed to retrieve data from the cluster registry