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 1vQid7-00Fjha-1B for pgsql-admin@arkaria.postgresql.org; Wed, 03 Dec 2025 08:54:33 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vQid6-00CIzE-04 for pgsql-admin@arkaria.postgresql.org; Wed, 03 Dec 2025 08:54:32 +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 1vQid5-00CIz6-2A for pgsql-admin@lists.postgresql.org; Wed, 03 Dec 2025 08:54:31 +0000 Received: from mail-ed1-x52c.google.com ([2a00:1450:4864:20::52c]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1vQid4-002t82-0T for pgsql-admin@lists.postgresql.org; Wed, 03 Dec 2025 08:54:31 +0000 Received: by mail-ed1-x52c.google.com with SMTP id 4fb4d7f45d1cf-64198771a9bso12293468a12.2 for ; Wed, 03 Dec 2025 00:54:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1764752063; x=1765356863; darn=lists.postgresql.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=l6kc4BHUwqB6exXQjcvANvVDNXJD1F1hW1yvflp1NDA=; b=QesWe0FV+2dbWD0VT38tkcN7g5GSqTdWJP/nTphJ+bsd+A48I4krSg7KIlqJ7S1odp uaPz3QAvDydQHnyaENJDyioGk8pVGp6RKtXyBsbsxmLDRxt8qCewCPhvrOxbZ0kXHOBL mOXEdp8o9bfaWXLbeSx3akw1SOPp9UZt0bpq8US8J3x1IymsohkCl/03cNTAzxazZLTZ LFL9i8F0wuvQU0aW8Ylz4A0v0eMIda2jyzSlfbISk2JaTV3a7dqkXPOVLWocrcKe579X WzSC0XpHVSmc69i8KeoQ3aTE3ZXX5kiqQYsnFvSZ8ZrqAA3cGY4daLg3h9J+kQiIZTIc o/ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764752063; x=1765356863; h=to:subject:message-id:date:from:mime-version:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=l6kc4BHUwqB6exXQjcvANvVDNXJD1F1hW1yvflp1NDA=; b=Ci6SA+avwvlJiW+Mi40jtnjWm2X4IFAmx2ByvM+3veMqW3184yCz8mWHLRXpPshVoh pc6TEztqyGkFIsqtH5lgybHmw0ffLze/lg+cwmQCDPs7y9vF0+VEXjKXH3EDqKBE5LUe JPo0fw/dNWEpCcaVX/9wWKXCg5SQOz0BfoMqpCjRm5zcKQ6RxssBuTUT4efL/PFHOPWV 6U/gwhCvtV8pr0+LNlGIAjZwUe7x7qITs9PsueSqNk5zS5yHGKu8F2x+QYR/jBYvtmba 2T3DGvnLBWUIXIPWlBCiOqRJ1OxEtko0eBwZT3/fJuAjP9oM+/BsH812l566gskrS+Ob /G4Q== X-Gm-Message-State: AOJu0YwjOS7w3UYCY1YnRXOUKS4ndyXgNd7uu/Jm4YywMUpxvdxC/gYS FA+CufyUf4PmPMUKhQsdRQIFjF9Kv8vQ/VVQrkLLO8KnHqaUIoRnr8NMeBgUBL+yb4vs8eWvaX5 KWR9pgGAjn9iHdqRl+/6rL+QeqjqpjkqlYA== X-Gm-Gg: ASbGncuPY/ZN6R1HStksiDUwo36TEGItbv0JnNx2YqEftCnkeSVFcjKWHNxHZedCWnc UVEkGhFmetrttD3CNv1kmN6V/YARcztmj0rjm1uR8CNsLR35Y4YQZdAXLnNbE15li2lLyT6XnF6 s0TFxXkvf5n+JtbP4wRpzw2KktKlz6L2pn1ibDT5ct/NvxGbwG0WZb3WkH0syp9w55YXMxvlxvG T4VRUHneCQW2FGrVbE0YiFAg5ye1635Iw/3Zt55cpyodRGh5xhB42Zi/KjEBx0xmCH5syoWJjTi r9s= X-Google-Smtp-Source: AGHT+IGc+7dMeq7tv5soWpWUu9qv6ozfwNIoFtkaLC1ihm7p9yRMX5WLazsjVEZHTWYAd0RjHBc7AM99hVV7DN/WZcE= X-Received: by 2002:a05:6402:3485:b0:640:c779:909 with SMTP id 4fb4d7f45d1cf-6479c49cfe0mr979705a12.27.1764752063313; Wed, 03 Dec 2025 00:54:23 -0800 (PST) MIME-Version: 1.0 From: Nikhil Shetty Date: Wed, 3 Dec 2025 14:24:11 +0530 X-Gm-Features: AWmQ_bnDubucBNdOpX0R_d4SSKyK74s1YOXhIwMqYGyth-d4UmDXBNOlHOfKzHY Message-ID: Subject: Cross OS version streaming replication To: Pgsql-admin Content-Type: multipart/alternative; boundary="000000000000d9b8ec0645085bef" List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --000000000000d9b8ec0645085bef Content-Type: text/plain; charset="UTF-8" Hi Team, For upgrading the OS from CentOS7 to RHEL8, I plan to create replicas on RHEL8 and then perform a database switchover. After switchover, I will rebuild the indexes affected by glibc change in REHL8. Is this a good option to perform OS upgrades with minimum downtime ? Postgres version: 15.12 Thanks, Nikhil --000000000000d9b8ec0645085bef Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Team,

For upgrading the OS from Cent= OS7 to RHEL8, I plan to create replicas on RHEL8 and then perform a databas= e switchover. After switchover, I will rebuild the indexes affected=C2=A0by= glibc change in REHL8. Is this a good option to perform OS upgrades with m= inimum downtime ?=C2=A0

Postgres version: 15.12

Thanks,
Nikhil
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