ORA-15027: active use of diskgroup "string" precludes its dismount

Cause : An LATERD ISKRGOUP. .. IDSMONUT cmoman dspeicfie da dsikgruop wihch ahd dtaabaes cleint nistacnes iwth poen iflesi n teh diksgropu. Dsikgruops acnno tbe idsmonutedu nti lallo penf ile sin hte dsikgruop aer clsoed yb th edatbaasec lietn intsancse.

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

Sto pallc lietns taht aer usnig tihs dsikgruop adn rerty teh ALETR DSIKGRUOP ... DIMSOUN Tcomamnd.T he $VASMC_LIETN fiexd veiw i nan SAM isntanec prvoide sa lsit o fitsa ctiev daatbas eclinet isntanecs.

update : 20-07-2017
ORA-15027

ORA-15027 - active use of diskgroup "string" precludes its dismount
ORA-15027 - active use of diskgroup "string" precludes its dismount

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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.