The server seems to have written the wrong date for the first 45 minutes or so of Tuesday before switching in mid-stream: <...> 2012-01-31 23:58:05 PST [13586]: [29677-1] LOG: checkpoint starting: time 2012-01-31 23:58:08 PST [13586]: [29678-1] LOG: checkpoint complete: wrote 16 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=3.008 s, sync= 0.001 s, total=3.010 s 2012-02-07 00:00:41 PST [30535]: [333-1] LOG: checkpoint starting: time 2012-02-07 00:00:42 PST [30535]: [334-1] LOG: checkpoint complete: wrote 9 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=1.603 s, sync=0.0 01 s, total=1.605 s <...> No editing -- honest ! This is what the log dates look like: ls -ltr /var/log/pg_log9.0 total 8652 -rw------- 1 postgres postgres 1729857 Feb 1 23:59 postgresql-Wed.log -rw------- 1 postgres postgres 930974 Feb 2 23:57 postgresql-Thu.log -rw------- 1 postgres postgres 441021 Feb 3 23:57 postgresql-Fri.log -rw------- 1 postgres postgres 1041907 Feb 4 23:57 postgresql-Sat.log -rw------- 1 postgres postgres 1546812 Feb 5 23:58 postgresql-Sun.log -rw------- 1 postgres postgres 1180910 Feb 6 23:55 postgresql-Mon.log -rw------- 1 postgres postgres 1943900 Feb 7 10:40 postgresql-Tue.log This is the end of Monday's log: -bash-3.2$ tail /var/log/pg_log9.0/postgresql-Mon.log 2012-02-06 23:35:41 PST [30535]: [323-1] LOG: checkpoint starting: time 2012-02-06 23:35:42 PST [30535]: [324-1] LOG: checkpoint complete: wrote 10 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=1.804 s, sync=0.001 s, total=1.807 s 2012-02-06 23:40:41 PST [30535]: [325-1] LOG: checkpoint starting: time 2012-02-06 23:40:42 PST [30535]: [326-1] LOG: checkpoint complete: wrote 10 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=1.802 s, sync=0.001 s, total=1.805 s 2012-02-06 23:45:41 PST [30535]: [327-1] LOG: checkpoint starting: time 2012-02-06 23:45:43 PST [30535]: [328-1] LOG: checkpoint complete: wrote 11 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=2.002 s, sync=0.001 s, total=2.005 s 2012-02-06 23:50:41 PST [30535]: [329-1] LOG: checkpoint starting: time 2012-02-06 23:50:42 PST [30535]: [330-1] LOG: checkpoint complete: wrote 6 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=1.007 s, sync=0.000 s, total=1.009 s 2012-02-06 23:55:41 PST [30535]: [331-1] LOG: checkpoint starting: time 2012-02-06 23:55:42 PST [30535]: [332-1] LOG: checkpoint complete: wrote 10 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=1.805 s, sync=0.001 s, total=1.807 s And the start of Tuesday's: head /var/log/pg_log9.0/postgresql-Tue.log 2012-01-31 00:03:53 PST [13586]: [29091-1] LOG: checkpoint starting: time 2012-01-31 00:03:54 PST [13586]: [29092-1] LOG: checkpoint complete: wrote 9 buffers (0.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=1.602 s, sync=0.001 s, total=1.604 s 2012-01-31 00:04:45 PST [6186]: [36-1] LOG: duration: 1831.813 ms execute fetch from S_2/C_3: select<...> The system log doesn't show anything hinky: ess /var/log/messages <...> Feb 6 23:56:56 sf1ddb001 puppet-agent[28309]: Finished catalog run in 10.51 seconds Feb 7 00:15:53 sf1ddb001 xinetd[6141]: START: amanda pid=17175 from=192.168.50.89 Feb 7 00:16:05 sf1ddb001 xinetd[6141]: EXIT: amanda status=0 pid=17175 duration=12(sec) Feb 7 00:18:37 sf1ddb001 xinetd[6141]: START: amanda pid=17507 from=192.168.50.89 Feb 7 00:18:37 sf1ddb001 xinetd[6141]: EXIT: amanda status=0 pid=17507 duration=0(sec) Feb 7 00:18:55 sf1ddb001 xinetd[6141]: START: amanda pid=17776 from=192.168.50.89 Feb 7 00:18:55 sf1ddb001 xinetd[6141]: EXIT: amanda status=0 pid=17776 duration=0(sec) Feb 7 00:19:10 sf1ddb001 xinetd[6141]: START: amanda pid=17859 from=192.168.50.89 Feb 7 00:19:10 sf1ddb001 xinetd[6141]: EXIT: amanda status=0 pid=17859 duration=0(sec) Feb 7 00:19:26 sf1ddb001 xinetd[6141]: START: amanda pid=17880 from=192.168.50.89 Feb 7 00:19:26 sf1ddb001 xinetd[6141]: EXIT: amanda status=0 pid=17880 duration=0(sec) Feb 7 00:19:55 sf1ddb001 xinetd[6141]: START: amanda pid=17922 from=192.168.50.89 Feb 7 00:20:02 sf1ddb001 xinetd[6141]: EXIT: amanda status=0 pid=17922 duration=7(sec) Feb 7 00:27:12 sf1ddb001 puppet-agent[28309]: Finished catalog run in 10.36 seconds Feb 7 00:57:27 sf1ddb001 puppet-agent[28309]: Finished catalog run in 10.16 seconds Feb 7 01:27:43 sf1ddb001 puppet-agent[28309]: Finished catalog run in 10.86 seconds Feb 7 01:57:59 sf1ddb001 puppet-agent[28309]: Finished catalog run in 10.48 seconds <...> Has anyone ever seen anything like this ? Thanks for any suggestions, advice, etc. Greg WIlliamson DBA Powerreviews -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin