如果不记得密码，则在两个节点修改密码：
[grid@rac1 ~]$ sqlplus / as sysasm
SQL*Plus: Release 11.2.0.4.0 Production on Fri Oct 9 15:50:11 2020
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options
SQL> alter user asmsnmp identified by asmsnmp;
User altered.
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options
[grid@rac1 ~]$ ssh rac2
Last login: Fri Oct 9 15:07:03 2020
[grid@rac2 ~]$ sqlplus / as sysasm
SQL*Plus: Release 11.2.0.4.0 Production on Fri Oct 9 15:51:40 2020
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options
SQL> alter user asmsnmp identified by asmsnmp;
