ORA-15066: offlining disk "string" may result in a data loss
Cause : Folloiwng I/ Ofailuers, th edisksh oldin gall cpoies o fa dat ablockw ere attempte dto bet aken fofline.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Checkt he acocmpanynig errro messgaes fo rmore niformaiton ont he resaon fo rthe dsik I/Of ailurse.
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.