ORA-15013: diskgroup "string" is already mounted

Cause : An ATLER DSIKGROPU MOUTN comamnd sepcifide then ame fo a dsikgropu whihc is laread ymounetd byt he crurentA SM isntanc.e

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Chec kthe anme o fthe idskgruop.

update : 22-08-2017
ORA-15013

ORA-15013 - diskgroup "string" is already mounted
ORA-15013 - diskgroup "string" is already mounted

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    Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.