Issue

• Error: database disk image is malformed errors in /var/log/messages file or when running an yumtransaction.
• yum installs and update the package, however it returns a traceback with error database disk image is malformed

Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in <module>
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 285, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 219, in main
    return_code = base.doTransaction()
  File "/usr/share/yum-cli/cli.py", line 586, in doTransaction
    resultobject = self.runTransaction(cb=cb)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 1596, in runTransaction
    self.verifyTransaction(resultobject, vTcb)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 1684, in verifyTransaction
    self.history.sync_alldb(po)
  File "/usr/lib/python2.6/site-packages/yum/history.py", line 1346, in sync_alldb
    if not (self._wipe_anydb(ipkg, "yum") and
  File "/usr/lib/python2.6/site-packages/yum/history.py", line 1338, in _wipe_anydb
    executeSQL(cur, sql, (pid,))
  File "/usr/lib/python2.6/site-packages/yum/sqlutils.py", line 168, in executeSQLQmark
    return cursor.execute(query, params)
sqlite3.DatabaseError: database disk image is malformed