Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m6Fii-0006Ye-0p for pgsql-admin@arkaria.postgresql.org; Wed, 21 Jul 2021 17:09:20 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1m6Fig-0000xQ-OH for pgsql-admin@arkaria.postgresql.org; Wed, 21 Jul 2021 17:09:18 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m6Fig-0000wK-F8 for pgsql-admin@lists.postgresql.org; Wed, 21 Jul 2021 17:09:18 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m6Fib-0002xQ-KP for pgsql-admin@lists.postgresql.org; Wed, 21 Jul 2021 17:09:17 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id DC7A7C0CB3; Wed, 21 Jul 2021 17:09:10 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at emo04-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo04-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A7Q6kbAM74Dk; Wed, 21 Jul 2021 17:09:10 +0000 (UTC) Received: from smtpclient.apple (unknown [4.28.96.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailout.easymail.ca (Postfix) with ESMTPSA id 24E57C21EC; Wed, 21 Jul 2021 17:09:08 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) Subject: Re: Data corruption From: Scott Ribe In-Reply-To: Date: Wed, 21 Jul 2021 11:09:07 -0600 Cc: Pgsql-admin Content-Transfer-Encoding: quoted-printable Message-Id: <17C82666-5695-4AD0-AA82-5B4BA9E256A4@elevated-dev.com> References: To: Vijaykumar Jain X-Mailer: Apple Mail (2.3654.100.0.2.22) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Do you have any clue as to how this happened? If you have a hardware problem, disk, controller or cable that is = corrupting data written, then any efforts you make at recovery on the = same hardware could just result in more & more corruption. You don't mention, I think, whether you've copied the data to different = storage (and preferably different server), but if you haven't already = done so, STOP RIGHT NOW and do nothing else with this db until you've = done that.