1. Create the password file using the following command. Go to the asmcmd command prompt and run :
$ asmcmd ASMCMD> pwcreate --dbuniquename [dbuniquename] [file_path] [sys-password]
The –dbuniquename string option identifies the database unique name associated with the password file.
The file_path value identifies the location where the password file is created. Mention the diskgroup name where you want to place the password file.
The sys_password value identifies the initial SYS password.
2.Verify password file location
# crsctl stat res ora.[database].db -f | grep PWFILE