Streaming replication and an archivelog

Hello All,

I am running 9.4 on Centos.

I have three servers, one master and two slaves. The slaves have the
following recovery.conf

standby_mode = 'on'
primary_conninfo = 'user=postgres host=mastervip port=5432'
restore_command = 'scp -o BatchMode=yes postgres(at)backuphost:/archived_wals/%f
%p'
recovery_target_timeline= 'latest'

Is there any way to combine following

- a master switch (ie: if node1 dies and node2 is promoted then node3
follows node2)
- using a WAL archive, such that if node2 goes down for two days it will
get WALs from the archive if they are no longer on the master

At the moment the master switch works fine, but if I was to have a WAL
archive with multiple timelines in it then I would end up in the newest
timeline.

I suppose what I want is the following:

If I am a streaming replica only follow streamed timeline switches, not
archive timeline switches.

Obviously if I am not a streaming replica I need to follow archive timeline
switches so I don't break PIT recovery.

Possible?

James Sewell,
PostgreSQL Team Lead / Solutions Architect
______________________________________

Level 2, 50 Queen St, Melbourne VIC 3000

*P *(+61) 3 8370 8000 *W* www.lisasoft.com *F *(+61) 3 8370 8099

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