文档解释
ORA-15064: communication failure with ASM instance
Cause: There was a failure to communicate with the ASM instance, most likely because the connection went down.
Action: Check the accompanying error messages for more information on the reason for the failure. Note that database instances will always return this error when the ASM instance is terminated abnormally.
ORA-15064: communication failure with ASM instance 与ASM实例通信失败
该错误表明ASM实例无法访问其他实例。可能是由于网络问题或者实例报警配置问题等。
官方解释
ORA-15064: 表明在ASM实例上存在无法建立通信的问题。
常见案例
1. ASM实例的实例报警配置错误。
2. 使用ASM实例的机器的网络问题。
一般处理方法及步骤
1.在相关的ASM实例执行 ALTER DISKGROUP ALL MOUNT 确定所有磁盘组已经正确挂载。
2. 检查实例报警配置是否正确：
SELECT NAME,VALUE FROM V$ASM_ALERT;
3. 检查ASM实例机器的网络问题：ping 目标IP 确认网络是否正常。
