Streaming Replication error - relation uninitialized and WAL contains references to invalid pages

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От Gareth Lyons
Тема Streaming Replication error - relation uninitialized and WAL contains references to invalid pages
Дата
Msg-id FC095BB7F38015459A218ADC9120AF26010DB798C6@RWSEXDBCP.rws.com
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Список pgsql-general

PostgreSQL 9.2 on Windows Server 2008 R2 64-bit

 

Streaming Replication initialised & working on a 500GB database.

Following day on slave, following errors in the log:

 

2012-11-27 09:57:53 GMT WARNING:  page 911726 of relation pg_tblspc/16570/PG_9.2_201204301/16571/16595 is uninitialized

2012-11-27 09:57:53 GMT CONTEXT:  xlog redo vacuum: rel 16570/16571/16595; blk 911727, lastBlockVacuumed 911725

2012-11-27 09:57:53 GMT PANIC:  WAL contains references to invalid pages

2012-11-27 09:57:53 GMT CONTEXT:  xlog redo vacuum: rel 16570/16571/16595; blk 911727, lastBlockVacuumed 911725

2012-11-27 09:57:54 GMT LOG:  startup process (PID 1392) exited with exit code 3

2012-11-27 09:57:54 GMT LOG:  terminating any other active server processes

 

Restarting the PostgreSQL service on the slave, the log shows the same errors:

 

2012-11-27 10:26:39 GMT LOG:  database system was interrupted while in recovery at log time 2012-11-27 09:37:29 GMT

2012-11-27 10:26:39 GMT HINT:  If this has occurred more than once some data might be corrupted and you might need to choose an earlier recovery target.

2012-11-27 10:26:39 GMT LOG:  entering standby mode

2012-11-27 10:26:39 GMT LOG:  redo starts at 3A8/11A5A9A8

2012-11-27 10:26:40 GMT FATAL:  the database system is starting up

2012-11-27 10:26:41 GMT FATAL:  the database system is starting up

2012-11-27 10:26:42 GMT FATAL:  the database system is starting up

2012-11-27 10:26:43 GMT FATAL:  the database system is starting up

2012-11-27 10:26:44 GMT FATAL:  the database system is starting up

2012-11-27 10:26:45 GMT FATAL:  the database system is starting up

2012-11-27 10:26:46 GMT FATAL:  the database system is starting up

2012-11-27 10:26:47 GMT FATAL:  the database system is starting up

2012-11-27 10:26:48 GMT FATAL:  the database system is starting up

2012-11-27 10:26:49 GMT FATAL:  the database system is starting up

2012-11-27 10:26:50 GMT LOG:  consistent recovery state reached at 3A8/387BFF48

2012-11-27 10:26:50 GMT LOG:  database system is ready to accept read only connections

2012-11-27 10:26:50 GMT WARNING:  page 911726 of relation pg_tblspc/16570/PG_9.2_201204301/16571/16595 is uninitialized

2012-11-27 10:26:50 GMT CONTEXT:  xlog redo vacuum: rel 16570/16571/16595; blk 911727, lastBlockVacuumed 911725

2012-11-27 10:26:50 GMT PANIC:  WAL contains references to invalid pages

2012-11-27 10:26:50 GMT CONTEXT:  xlog redo vacuum: rel 16570/16571/16595; blk 911727, lastBlockVacuumed 911725

2012-11-27 10:26:50 GMT LOG:  startup process (PID 2640) exited with exit code 3

2012-11-27 10:26:50 GMT LOG:  terminating any other active server processes

 

I noticed a autovacuum process started on the master at 09:04am and was still running when the slave tripped over – could this be a factor?

Or could this be a consequence of the WAL corruption issue fixed in 9.2.1/9.1.6?

 

Full page writes is switched on.

 

Thanks

Gareth




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