Hi folks, I got the same failure with the following report on Amazon Linux 2017.09 and postgresql95-9.5.8-1.73.amzn1.x86_64. The WAL's RMGR ID and its type (Heap2/VISIBLE) are also same. The servers had worked for over 2 weeks and the standby crashed. Firstly we suspected something low layer curruption, but any exact reason haven't been found yet. I think possibility of a bug now because of the other similar report. Does anyone has any idea or similar experience? [Hot standby failing with page # of relation # is uninitialized] https://www.postgresql.org/message-id/a46709a5-3c41-7acb-1db0-60a317283795@xxxxxxxxxxxxxx (log output @stanby) 2017-12-11 18:14:16 JST [5094]: [13-1] db=,user=,state=01000 WARNING: page 1646627 of relation pg_tblspc/16407/PG_9.5_201510051/16406/31164 is uninitialized 2017-12-11 18:14:16 JST [5094]: [14-1] db=,user=,state=01000 CONTEXT: xlog redo Heap2/VISIBLE: cutoff xid 210320 2017-12-11 18:14:16 JST [5094]: [15-1] db=,user=,state=XX000 PANIC: WAL contains references to invalid pages 2017-12-11 18:14:16 JST [5094]: [16-1] db=,user=,state=XX000 CONTEXT: xlog redo Heap2/VISIBLE: cutoff xid 210320 2017-12-11 18:14:16 JST [5088]: [5-1] db=,user=,state=00000 LOG: startup process (PID 5094) was terminated by signal 6: Aborted 2017-12-11 18:14:16 JST [5088]: [6-1] db=,user=,state=00000 LOG: terminating any other active server processes with best regards, Haruka Takatsuka
