VKTM time drift detected and connection timeouts
We recently had a couple of connection errors to an 11g database on one of our general purpose servers. A cursory examination of the alert log shows:
Wed Mar 05 10:56:22 2014
VKTM detected a time drift. Please check trace file for more details.
and
Thu Mar 06 11:00:37 2014
VKTM detected a time drift. Please check trace file for more details.
Thu Mar 06 11:18:45 2014
Thread 1 cannot allocate new log, sequence 25388
Private strand flush not complete
Current log# 3 seq# 25387 mem# 0: /usr/local/oracle/data/dbpsl210/gp11/redo03.dbf
Current log# 3 seq# 25387 mem# 1: /usr/local/oracle/data/reco/gp11/redo03b.dbf
Thread 1 advanced to log sequence 25388 (LGWR switch)