Data Pump Export (EXPDP) Hangs on OCFS2 Creating a 4 KB Dump File (Doc ID 1371783.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Red Hat Advanced Server
Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)
***Checked for relevance on 16-Dec-2013***

Symptoms

Datapump Export (EXPDP) hangs immediately while using OCFS2 mount point:


Some important points to note:

  1. Traditional export works fine.
  2. Once the process is hung, kill -9 at OS level does not kill the process. The instance requires to be shut down to release the process.
  3. An export dump file of 4 kB gets generated.
  4. STOP_JOB.kill_job does not clear up the hung session.

Cause

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