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Message-ID: <747ebbd9-0a0c-45d9-ba7d-d7a1adbc1d1f@aklaver.com>
Date: Tue, 11 Mar 2025 09:32:28 -0700
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Subject: Re: Moving from Linux to Linux?
To: Paul Foerster <paul.foerster@gmail.com>,
 Pgsql-General List <pgsql-general@lists.postgresql.org>
References: <6E6059F6-E5A1-4A8D-8A5E-A41B921BBE67@gmail.com>
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From: Adrian Klaver <adrian.klaver@aklaver.com>
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On 3/11/25 09:22, Paul Foerster wrote:
> Hi,
> 
> we are considering changing the PostgreSQL platform from SUSE SLE to Red Hat. To keep service interruptions as short as possible, the idea is to set up a streaming replication from the SUSE server to be replaced to a temporary Red Hat server and then replace that SUSE server with the newly setup Red Hat server.

What versions of each?

> 
> My idea is to set up a streaming replication for this. But this of course only works if the data files would be binary compatible.

Unless you use logical replication.

> 
> So, I wonder, if this is possible. We have a lot of databases, some of them need to be highly available and some are large too.
> 
> Are there any obstacles that definitely make that a no-go? Do I risk corruption? It's both Linux, just a different distribution.
> 
> Cheers,
> Paul
> 

-- 
Adrian Klaver
adrian.klaver@aklaver.com