，oracle rac布署时，第二个节点执行 root.sh时，报以下错，可能什么原因？
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[待解决问题]
，oracle rac布署时，第二个节点执行 root.sh时，报以下错，可能什么原因？
【举人】广州-王迺芹 2016.06.08 16:25:18
Disk Group OCRVOTE creation failed with the following message:
ORA-15018: diskgroup cannot be created
ORA-15072: command requires at least 2 regular failure groups, discovered only 0
ORA-15080: synchronous I/O operation to a disk failed
