Cascade Standby Configuration in 9.2.4

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Greetings!

 

I am setting up cascade standby (primary->slave1->slave2)

 

Everything is working as expected but I am not sure why it is working though….

 

Primary: archive = on and archive_command is enabled to send logs to slave1

I can see in pg_log that logs are being rsynced to slave1

 

Slave1: archive = on (I am not sure what this does in case of standby) archive_command is enabled to send logs to slave2

Problem: I don’t see logs going to slave2 though

 

Slave2:archive and archive_command are commented out

 

I don’t see anywhere logs being shipped from slave1 to slave2 but when I stop slave2 and do some activity on primary and later restart slave2 I see the data in slave2. This means somehow logs are getting to slave2 and eventually streaming is catching up….

 

Can you tell what I am missing here????

 

Thanks for reading this.

Murthy


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