Re: Unable to access database

Posted by ErmanArslansOracleBlog on Oct 28, 2016; 11:06am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/Unable-to-access-database-tp1464p1466.html

In the first look, it seems the Oracle database is unable to access the files due to the OS(IO layer) errors.

Check event log of Windows? Is this the situation or not?  I mean , check that, the disks where redo files and datafiles are located can be accessed by Oracle Database without any issue..