添加磁盘组存储OCR数据报错

[root@rac2 bin]# ./ocrconfig -add +OCR_DATA
PROT-30: The Oracle Cluster Registry location to be added is not usable
PROC-50: The Oracle Cluster Registry location to be added is inaccessible on nodes rac2.

   INST_ID NAME       STATE       TYPE      FREE_MB COMPATIBIL
---------- ---------- ----------- ------ ---------- ----------
         1 DATA       MOUNTED     EXTERN       7636 11.2.0.0.0
         1 FRA        MOUNTED     EXTERN       6190 11.2.0.0.0
         1 OCR_DATA   MOUNTED     NORMAL      15156 11.2.0.0.0
         1 OCR        MOUNTED     NORMAL      23620 11.2.0.0.0
         2 DATA       MOUNTED     EXTERN       7636 11.2.0.0.0
         2 FRA        MOUNTED     EXTERN       6190 11.2.0.0.0
         2 OCR        MOUNTED     NORMAL      23620 11.2.0.0.0
         2 OCR_DATA   DISMOUNTED                  0 0.0.0.0.0

将磁盘组在2节点mount后

[root@rac1 bin]# ./ocrconfig -add +OCR_DATA