Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VEFQB-00063g-Fi for pgsql-docs@arkaria.postgresql.org; Tue, 27 Aug 2013 09:18:43 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1VEFQA-0004Sp-SV for pgsql-docs@arkaria.postgresql.org; Tue, 27 Aug 2013 09:18:42 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VEFQA-0004Sj-At for pgsql-docs@postgresql.org; Tue, 27 Aug 2013 09:18:42 +0000 Received: from outmail149095.authsmtp.com ([62.13.149.95]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VEFQ6-0006uF-IJ for pgsql-docs@postgresql.org; Tue, 27 Aug 2013 09:18:42 +0000 Received: from mail-c237.authsmtp.com (mail-c237.authsmtp.com [62.13.128.237]) by punt7.authsmtp.com (8.14.2/8.14.2) with ESMTP id r7R9IboW057716 for ; Tue, 27 Aug 2013 10:18:37 +0100 (BST) Received: from mail-vb0-f45.google.com (mail-vb0-f45.google.com [209.85.212.45]) (authenticated bits=0) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id r7R9IXwg084844 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=FAIL) for ; Tue, 27 Aug 2013 10:18:34 +0100 (BST) Received: by mail-vb0-f45.google.com with SMTP id e15so2800995vbg.18 for ; Tue, 27 Aug 2013 02:18:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=lnO8sVxy5Ox3gdH/txmSOly3jMjxkGqgqmp8Ac42ORA=; b=EQ7D4Qq7mpnmt43ocDH6UZWwadZPyhIZsQRuT99K5Z3XAvEElsFCqmJnxemmm8kv7i CkQ8I2oFLR5kg/OZ9hNFiC8dZk7zRceDOwH5JJAC3ifD7vQycMJj9zKJMtjtVTPYCmvS 4GQCCM0W836J9Az8809Ig95/d89iceAm3s3pNX9yvZd3gLDKcxVIRSP49/sMqpDkZE74 iT7WMw61NcPxuc49+QXbbEGuh/wYCkgPveVpeUVx+DO+sLKSSI7xqO4MQWK5qzs2VRNa Vnx3waUKWcSocPquGgJBSsp8GRFrdvRdBqptCCR5PcpiEDD2ygSuDFxp3YR7evF+uaPu g1Zw== MIME-Version: 1.0 X-Received: by 10.220.206.195 with SMTP id fv3mr19163226vcb.15.1377595113013; Tue, 27 Aug 2013 02:18:33 -0700 (PDT) Received: by 10.52.77.8 with HTTP; Tue, 27 Aug 2013 02:18:32 -0700 (PDT) In-Reply-To: References: Date: Tue, 27 Aug 2013 10:18:32 +0100 Message-ID: Subject: Re: 9.3: mention checksum feature in "29.1. Reliability" From: Simon Riggs To: Ian Lawrence Barwick Cc: pgsql-docs Content-Type: text/plain; charset=ISO-8859-1 X-Server-Quench: a5c880d5-0ef9-11e3-94fa-002590a135d3 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCdxZQATClZOTQEd DAteCiN5VAwpPBRK HVkIKg5MOFUSTAAU PkFRNXJLN0YASktU QCdXRQsWBxNzXnwE Ll1ObwVcYVpPXw9r WEJKRhxQFAx2CRkf BB8cTB13aABOf2Fx KwRlPHkiNAMtdU55 SkpQW2kEYWEuOWVM WEhYIwZJcFYcdwJE awV8SXoJNzQaZnpi Ql5rNmlqYDkEPh5Y EEk+AXU5enNDT3hn FVgHEDMzHEoDDy4z IhclMUMZVEgcO1kv K1ZpWFRQeUVDTFQY V3tABC5QLVgFRjY6 R2sA X-Authentic-SMTP: 61633235383639.1024:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 209.85.212.45/587 X-AuthVirus-Status: No virus detected - but ensure you scan with your own anti-virus system. X-Pg-Spam-Score: -2.6 (--) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-docs Precedence: bulk Sender: pgsql-docs-owner@postgresql.org On 27 August 2013 05:31, Ian Lawrence Barwick wrote: > This page: > > http://www.postgresql.org/docs/9.3/static/wal-reliability.html > > says: > > "Data pages are not currently checksummed, though full page images > recorded in WAL records will be protected. Data pages have a 16-bit > field available for future use with a data page checksum feature." > > Patch with correction suggestion attached. Thanks Ian, well spotted. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs