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 4.96) (envelope-from ) id 1x6F53-0007Ij-1d for pgsql-general@arkaria.postgresql.org; Mon, 14 Sep 2026 22:23:18 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1x6F52-00G3Au-2R for pgsql-general@arkaria.postgresql.org; Mon, 14 Sep 2026 22:23:16 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1x6F51-00G3Ac-20 for pgsql-general@lists.postgresql.org; Mon, 14 Sep 2026 22:23:16 +0000 Received: from fout-b5-smtp.messagingengine.com ([202.12.124.148]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x6F4w-00000000SzM-3eg6 for pgsql-general@postgresql.org; Mon, 14 Sep 2026 22:23:15 +0000 Received: from phl-compute-02.internal (phl-compute-02.internal [10.202.2.42]) by mailfout.stl.internal (Postfix) with ESMTP id 150901D00051; Mon, 14 Sep 2026 18:23:09 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-02.internal (MEProxy); Mon, 14 Sep 2026 18:23:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:content-transfer-encoding:content-type:content-type:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1789424588; x=1789510988; bh=7YfmrzGDSPi/jngg640Bfs9/G7xEcsKfWPPEBK+8jgQ=; b= AJw2py3mo/fHdT4XRfsUV9WG6n27hRUZ37JyToPP+dBZcWaJ9ihGQ7tG2oOPTjmE Nt8sJ1xzN4kCm9Q2aS+lW/B2McQsf0RnX50f+Wg07/ViJ5yjvET7cRcJOn1B9etD KKXTaYRCRxnf0NesqYOXqOpjtlxHGTIDrqj576ZvcC4h8HYKUD4NOXShRfA9zxWq xU1YfycrSsR/5qKa1J+dzrfCVhMx/QxoguReTWb2LNLK4LisGCwHwO3IxdG/QHhQ liE0phcMel3GIWG9qG2ajoSTQ8oZNbZTE1YfqLwdA88JCmTOjGpFBRNm58TBszP6 1TDs0b0N9qGcVNvspzmShQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; t=1789424588; x=1789510988; bh=7 YfmrzGDSPi/jngg640Bfs9/G7xEcsKfWPPEBK+8jgQ=; b=xEu7EMhoBaQuu+3x2 HMbBTyYbgXCyNIl9xHSsw/qJK46CH2vLLA1IYAOnx1RQqhos0sWS29fHPKWlWOv5 OziyRGoPu9f4KHaLvb8OT6IRs29lLt3iKvgarUCoDt1NwGSIZQF0hLLISQMkfsTp XqJzLc1Z3BAnbqlg1+NGKPZCo2GLLM6Oq4fzcT5KlL7zxSoI9lPvnI8pwW2dM3kr ITajQxeVQ3sM5y7cfT8+fDJEE6mnrdyF75s2mclfJPk71XXV/JF24rrj8FI10PtC Gj8bQulIVFCQaCGLfeRiaO8g5Yn6mVhFqbE/gMr0ZWOnqdaFi38U+J2U6/hEsOXR BxcZw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTFioIIMeGEMhhDOhKId43Ya9+aVo5mpzP7ZPdaYKlnmbyiog0HcCkco5SX9WXaWJX c/EyIbyXaPksDhwilmUuW519VNqTXpFfEqtUWtnBN7GKGB3XKdCABAvm26s3lnXpEy9CWu rHR4Ip7XM9a73d+wdO1IdP15XdKX5I+Px603PDT21aIoRy3Px7uZ0BmfLdWl68cTmDsyfm 2ZMysKkuFPxJrVryBQF4iW1HOI5ns6FJ3G62WRej7oSYK6jLWGbQIKHpTDXHRZ8IeD3/DJ dvKS1/kdb023lnSpJL478xr65YN6WKEmwtiE8LMfvn+qazkLicKNBdee6898D9mIWCopTK /gUnWHZzJcFTwM2MphQlpQRxVAEmptZxye0u7QyYeswYtX7hGau9/L/obt6lAOqH5n4Uor AX5mNsOdaJtp18deXYYLBdqr7GwDXNYgkGJopNJkZ4366mvsJ19b84KZw71yVdzvaryEp5 Z7cc0AgIP7F9ZsJ5SkzQEIQUQFUd0F9xQzuTaiWnJhAW7UwyDXYBjdjD99AZaXF4EVxZ9j 8feN3mur66OYja0tD+loujRur/MCfkon3UIFgrV/DItKhcH4bPkp0COUURKn6hsiXfxL1w WInvViihOshA/+njq2OqAqvXwj/9sdMt4tb4+FZCfe9aZM6YIOLd/Ow2kklg X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 14 Sep 2026 18:23:08 -0400 (EDT) Message-ID: <45ef2a8b-7a33-4274-9d88-a4abbbaf60cb@aklaver.com> Date: Mon, 14 Sep 2026 15:23:07 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Upgrading 6 versions between 2 systems To: Rich Shepard , pgsql-general@postgresql.org References: <201090.1789418600@sss.pgh.pa.us> <6d2b5aa-8346-19ee-e12b-7abe23d7f685@appl-ecosys.com> <399b6750-7628-3ee1-b99-bb6a40ff5c3a@appl-ecosys.com> Content-Language: en-US From: Adrian Klaver In-Reply-To: <399b6750-7628-3ee1-b99-bb6a40ff5c3a@appl-ecosys.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 9/14/26 2:58 PM, Rich Shepard wrote: > On Mon, 14 Sep 2026, Adrian Klaver wrote: > >> Since you are transferring the data as text that should not be a problem. >> Just point the newer version of pg_dumpall, I assume the one on the >> Slackware 15 host, at the older version Postgres server. > > Adrian, > > Hadn't thought I could do that. But, why not if I use the > servername:/directory? Not sure what servername:/directory means? As example, assuming Postgres 12.7 is running on machine at address 192.168.0.1. pg_dumpall -h 192.168.0.1 -U some_user -f db_cluster.sql This would be run from the second machine that has Postgres 18.6. > > Thanks, > > Rich > > -- Adrian Klaver adrian.klaver@aklaver.com