Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id 0EA35B5DBBE for ; Fri, 29 Jul 2011 12:35:33 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 38586-03 for ; Fri, 29 Jul 2011 15:35:26 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from nrccenhts1.nrc.ca (nrccenhts1.nrc.ca [132.246.15.88]) by mail.postgresql.org (Postfix) with ESMTP id 43658B5D91F for ; Fri, 29 Jul 2011 12:35:25 -0300 (ADT) Received: from NRCWSTHCM1.NRC.CA (132.246.216.66) by nrccenhts1.nrc.ca (132.246.15.88) with Microsoft SMTP Server (TLS) id 8.1.436.0; Fri, 29 Jul 2011 11:35:23 -0400 Received: from [132.246.194.17] (132.246.216.202) by WSTMAIL.NRC.CA (132.246.216.66) with Microsoft SMTP Server (TLS) id 8.1.436.0; Fri, 29 Jul 2011 08:35:22 -0700 Message-ID: <4E32D339.50804@nrc-cnrc.gc.ca> Date: Fri, 29 Jul 2011 08:35:21 -0700 From: Isabella Ghiurea Reply-To: isabella.ghiurea@nrc-cnrc.gc.ca Organization: CADC -NRC User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: "pgsql-admin@postgresql.org" Subject: snapshot backup with WAL files Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201107/207 X-Sequence-Number: 37986 Hello Gurus, I would like to configure our Pg db for OS file system snapshot backup with Pg WAL files, need to know if would be enough in pg db to call : |*SELECT* *pg_start_backup*('pitr_backup'); and next take the snapshot and after pg_stop the backup and close the WAL files . During this time the full pg db read/writes will continue. Are any loss of data we should may be aware during this backup procedure? env :RHES-64 bits with LVM directories, PG 9.0, the db size >150GB Thank you Isabella | -- ----------------------------------------------------------- Isabella A. Ghiurea Isabella.Ghiurea@nrc-cnrc.gc.ca Canadian Astronomy Data Centre |http://www.nrc-cnrc.gc.ca/eng/services/hia/data-centre.html National Research Council of Canada, Herzberg Institute of Astrophysics 5071 West Saanich Road, Victoria BC V9E 2E7, Canada Phone: 250 363-3446 fax: 250 363-0045