Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.94.2)
	(envelope-from <pgsql-admin-owner+archive@lists.postgresql.org>)
	id 1sXLpp-003T3B-Py
	for pgsql-admin@arkaria.postgresql.org; Fri, 26 Jul 2024 14:22:17 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.94.2)
	(envelope-from <pgsql-admin-owner+archive@lists.postgresql.org>)
	id 1sXLpo-00CXLR-5W
	for pgsql-admin@arkaria.postgresql.org; Fri, 26 Jul 2024 14:22:16 +0000
Received: from makus.postgresql.org ([2001:4800:3e1:1::229])
	by malur.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.94.2)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1sXLpn-00CXLJ-Pv
	for pgsql-admin@lists.postgresql.org; Fri, 26 Jul 2024 14:22:15 +0000
Received: from sss.pgh.pa.us ([68.162.161.243])
	by makus.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.94.2)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1sXLpl-001Z1n-3A
	for pgsql-admin@lists.postgresql.org; Fri, 26 Jul 2024 14:22:14 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
	by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 46QEMBZ61674847;
	Fri, 26 Jul 2024 10:22:11 -0400
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
In-reply-to: 
 <CAB5fag6_zRZc5svYoh6h=cHw07GS5RiULVTHrHjep3Js5ab61w@mail.gmail.com>
References: 
 <CAB5fag6_zRZc5svYoh6h=cHw07GS5RiULVTHrHjep3Js5ab61w@mail.gmail.com>
Comments: In-reply-to Wasim Devale <wasimd60@gmail.com>
	message dated "Fri, 26 Jul 2024 11:50:29 +0530"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <1674845.1722003731.1@sss.pgh.pa.us>
Date: Fri, 26 Jul 2024 10:22:11 -0400
Message-ID: <1674846.1722003731@sss.pgh.pa.us>
List-Id: <pgsql-admin.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-admin@lists.postgresql.org>
List-Owner: <mailto:pgsql-admin-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-admin>
Archived-At: 
 <https://www.postgresql.org/message-id/1674846.1722003731%40sss.pgh.pa.us>
Precedence: bulk

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