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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Wasim Devale <wasimd60@gmail.com>
Cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: Migration from CentOS7 to RHEL red hat Linux
Date: Fri, 26 Jul 2024 10:22:11 -0400
Message-ID: <1674846.1722003731@sss.pgh.pa.us> (raw)
In-Reply-To: <CAB5fag6_zRZc5svYoh6h=cHw07GS5RiULVTHrHjep3Js5ab61w@mail.gmail.com>
References: <CAB5fag6_zRZc5svYoh6h=cHw07GS5RiULVTHrHjep3Js5ab61w@mail.gmail.com>

Wasim Devale <wasimd60@gmail.com> writes:
> I want primary and secondary running on CentOS7 in sync with primary and
> secondary running on RHEL. Is it possible by any chance that postgresql
> allows.

If you mean you want to sync something on CentOS7 with something on
RHEL8 or RHEL9, that's pretty dangerous because glibc's collations
will not be the same [1].  You might get away with doing logical
replication, but don't try physical replication.

			regards, tom lane

[1] https://wiki.postgresql.org/wiki/Locale_data_changes

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