Upgrading hot standbys

[Aaron Burnett <Aaron.Burnett@xxxxxxxxxxxxxxxx>]

Greetings,

I'm in the process of upgrading PG 9.1.3 to 9.4.1 in the near future.

I have several machines which each house unique databases. Each of those are replicated to a standby server with matching configurations. A total of 10 servers, 5 masters, 5 slaves. Everything runs on Ubuntu.

My question, as I can't seem to find any documentation on this part, is once I successfully upgrade the master I will need to upgrade the standby as well. Will I have to rebuild the standby from scratch, or will the standby pick up where it was before the upgrade if I do things correctly?

Thanking you in advance,

Aaron

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