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From Nikhil Shetty
Subject Lost replication slots after pg_upgrade.
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Msg-id CAFpL5Vws1tJnO8_CeOBO6e2q5K4Zbe4==redhV1yLSekm1U4TQ@mail.gmail.com
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Responses Re: Lost replication slots after pg_upgrade.  (Victor Sudakov <vas@sibptus.ru>)
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Hi,
I have a Primary and Standby running on Postgres v11.7.

I was following the document to upgrade a PG v11.7 cluster to PG v13.4. After upgrade using pg_upgrade on primary, I ran rsync to setup standby PG13 but when I started the primary, the replication slots were not present. How will standby start streaming in this case?

We are using physical replication slots. 

Thanks,
Nikhil 

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