Enable Direct I/O for Oracle on RHEL

Solution Verified - Updated -

Issue

  • We are running Oracle database 12c on Red Hat linux. Now we are facing some performance issue. So Oracle recommend to enable direct I/O on OS level to increase performance of data base. So i have urgently need your help how to enable direct I/O on Red Hat linux.

Environment

  • Red Hat Enterprise Linux(RHEL), version 6.5
  • Oracle 12c

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