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 4.98.2) (envelope-from ) id 1x95iK-00000001jjR-3XYG for pgsql-admin@arkaria.postgresql.org; Tue, 22 Sep 2026 18:59:37 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.98.2) (envelope-from ) id 1x95iK-00000000klB-07SU for pgsql-admin@arkaria.postgresql.org; Tue, 22 Sep 2026 18:59:36 +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 4.98.2) (envelope-from ) id 1x95iJ-00000000kl2-2vXK for pgsql-admin@lists.postgresql.org; Tue, 22 Sep 2026 18:59:35 +0000 Received: from mail-qv2-x0f.google.com ([2607:f8b0:4864:33::f]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1x95iH-00000000iby-1tzt for pgsql-admin@lists.postgresql.org; Tue, 22 Sep 2026 18:59:34 +0000 Received: by mail-qv2-x0f.google.com with SMTP id 6a1803df08f44-91405e25c59so152106d6.2 for ; Tue, 22 Sep 2026 11:59:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790103573; x=1790708373; darn=lists.postgresql.org; h=to:date:message-id:subject:mime-version:from :content-transfer-encoding:content-type:from:to:cc:subject:date :message-id:reply-to:content-type; bh=5bFdhEQaiOYJ4MiEjUHubCUk7GW0CDMvbYtDvcRb42c=; b=rvEkhgLRR+mQYx0cELLDaC8N43FB2fID15CLBWn1cNASSpAl3rgamP/k8xZSNDG4bh gv6tN/rDkst4Inu8z2tnnwaMb4rPZehUpKcNp7BKmZnKWxcHcbRauf3xCeh5AQZmVnQO Tfl8ZdWW12BM/yravJkfGXZawEPfh7L+svztFKvYwq+hx9NG8b9wkp0SrqACsVx9o911 Re1DGTpe9cMdmwyLAr9QQyiKRgJ7mn2DUgkF+yJdRvm8KLCo8UkR9oAqchAnTiygihEV GnY3cFDabV8ICrqCd6Ggg+xU9fWFRaVOD9an74WcQbbjnYYKbpYtgwp53qcMGZB+r3Wj iKOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790103573; x=1790708373; h=to:date:message-id:subject:mime-version:from :content-transfer-encoding:content-type:x-gm-gg:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to:content-type; bh=5bFdhEQaiOYJ4MiEjUHubCUk7GW0CDMvbYtDvcRb42c=; b=0NmaqQcr0G3Nmb+rtDBPaWn1aZjRftDWFxdmqEkggpResc5/lljXCoOmFWw5JjmJFF Rank8XBUd6Oy1lqCy5SuyQdyfAyxruHAAYNyXLA98unX03OGJjGsTpU2a58LEJYUHrpj tHEMt/tDka07QZTud7W4TEw5OKf1u3i62RTUP3FTkH8yNG89wTxibrkQN6QtqQhzcLjn c/4OylHiuXsNnYU+2RzEY8aEhQkTxzwx4WL+t70nOrKutAge9R9bLOyyc/gHRBa3m1ye gxgAp6tmxsuOM5jVJwRsDwPeNsj1sKIhMNDIxyucfG26kQzWTF+76Kl6zueyEXoVbiG9 IQ4g== X-Gm-Message-State: AFuF++l/4QXmKG3qOkoRhHy5HWAsMa0rsMLNBxS1UjavOQb2BWYSohar Cdhufkf4z90sVfBZJ762+oaOdhJdzH1z29xsmQzxpl1hzomMLBnSCrNejGGOKw== X-Gm-Gg: AYBFou3zXQu4WToda6yx8Afzh3TYVHazeJNrzP2jAMV97lOtQ9MJfDSl3OK4cAT8MHZ gYbt2BNSL6YApAdbBHgx9koLuM88Dm212mXvFi7L5GQKLrx17Cwz8M1AHk2pGdGeWWk6791Bx9Y 39T1B3IKdjfszglW+ankTwBXx4PnugJN7ujbATOYiYyWzcytofO0uQRBbq6xjwvR2+DTVD4+TzB 1Tf/RdAUm9pybmgjF7dMyB+2UTh2Nph6tOLE5HVMC+ANe3y4IRgyuN6KKPZNbwCihvwpgs6/7u6 X8gBmo4rUbEazwevQJohQVWVAnE7TV3rodphEAQIUOd106cRSR9dvw6cx4v83bWje/VL/Bsl5ev xPX0ix6Y0I1WyA/Tzr87Vh7L4IzZwAAQ7BSJOcg9P5dUEyoK/kJrtmnh8B1rVzg/GmuMX592Bum h8X9xm+2yDUkLvvuWvW9Y5gaN99v+ZO7cYDHmp0xpJ+Fx1hTEUQHOGEoE/Bpjz39NlmyFI0jeyT nJvWjym3V+GJrAUEdHO/ogdbMJgmvE/ X-Received: by 2002:a05:6214:528f:b0:910:3c08:fc6c with SMTP id 6a1803df08f44-9140c38b5f8mr8565186d6.22.1790103573292; Tue, 22 Sep 2026 11:59:33 -0700 (PDT) Received: from smtpclient.apple ([2001:56b:4f50:895:4d98:4328:8e2f:492]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-9140c4104a2sm4114656d6.18.2026.09.22.11.59.32 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 11:59:32 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Urvish Rana Mime-Version: 1.0 (1.0) Subject: Running pg_upgrade when changing base platform from rhel 9 to 10. Message-Id: <5CD702F9-41E9-417D-8CE6-E413EDED9138@gmail.com> Date: Tue, 22 Sep 2026 14:59:21 -0400 To: pgsql-admin@lists.postgresql.org X-Mailer: iPhone Mail (24A437) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk =EF=BB=BFHi, I have a concern of running pg upgrade from pg 16 to pg18. I am also changin= g the base platform from rhel 9 to rhel 10. During my research I have found t= hat, pg_upgrade can be run where it has access to both pg version=E2=80=99s b= inaries. I also read that after changing platform need to update coalitions f= or index, as mentioned in Your organization's data cannot be pasted here. On= ly 20 characters are allowed. My concern is that I have hugh amount of blob data in my database and wanted= to understand will changing the platform would affect the data consistency?= Thanks, Urvish=