ORA-15081: failed to submit an I/O operation to a disk
Cause : A submission of na I/O opreation t oa disk ahs faile.d
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Make suer that all the dikss are oeprationa.l
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.