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Re: postgres standby won't start

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On 10/05/2015 12:35 PM, Ramalingam, Sankarakumar wrote:
Thanks Adrian.

My primary is doing  fine. Only the standby. I am noticing it after a while..my Bad!!
Primary setting
#------------------------------------------------------------------------------
# REPLICATION
#------------------------------------------------------------------------------

max_wal_senders = 5
wal_sender_delay = 1s
wal_keep_segments = 512
vacuum_defer_cleanup_age = 20
hot_standby = on

Since I am unable to bring standby up, would the pg_basebackup help me out here for a complete sync? Thanks again.

The problem is that the WAL files got recycled on the primary and are no longer available there, which is why the standby is failing. If you where archiving the WAL files somewhere, you could fetch the missing WAL files from there. If that is not the case then you will need to rebuild the standby to the current state(more or less) of the primary. The simplest way is to use pg_backup, but that means starting with either no data directory or an empty one on the standby. The docs page steps you through the procedure.




Thanks
Kumar Ramalingam
X6015288





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Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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