From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailgw-01.dd24.net ([193.46.215.41]:36159 "EHLO mailgw-01.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933315AbcIVTfd (ORCPT ); Thu, 22 Sep 2016 15:35:33 -0400 Message-ID: <1474572926.7010.13.camel@scientia.net> Subject: Re: btrfs rare silent data corruption with kernel data leak From: Christoph Anton Mitterer To: Kai Krakow , linux-btrfs@vger.kernel.org Date: Thu, 22 Sep 2016 21:35:26 +0200 In-Reply-To: <20160922194958.19a1cdd6@jupiter.sol.kaishome.de> References: <20160921045556.GN21290@hungrycats.org> <20160921130209.GO21290@hungrycats.org> <20160922194958.19a1cdd6@jupiter.sol.kaishome.de> Content-Type: multipart/signed; micalg="sha-512"; protocol="application/x-pkcs7-signature"; boundary="=-kCE6196rbW0W4PhX5WVu" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: --=-kCE6196rbW0W4PhX5WVu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2016-09-22 at 19:49 +0200, Kai Krakow wrote: > I think mysql data files > have > their own checksumming Last time I've checked it, none of the major DBs or VM-image formats had this... postgresql being the only one supporting something close to fs level csumming (but again not per default). mysql has AFAICS only=C2=A0https://dev.mysql.com/doc/refman/5.7/en/checksum= - table.html which requires program support. 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