From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.saout.de ([127.0.0.1]) by localhost (mail.saout.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OkUJBKmP0LYK for ; Mon, 26 Dec 2011 22:03:06 +0100 (CET) Received: from mail-iy0-f178.google.com (mail-iy0-f178.google.com [209.85.210.178]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by mail.saout.de (Postfix) with ESMTPS for ; Mon, 26 Dec 2011 22:03:05 +0100 (CET) Received: by iagf6 with SMTP id f6so23035441iag.37 for ; Mon, 26 Dec 2011 13:03:04 -0800 (PST) Sender: Jeff Cook Message-ID: <4EF8E106.600@deserettechnology.com> Date: Mon, 26 Dec 2011 14:03:02 -0700 From: Jeff Cook MIME-Version: 1.0 References: <4EF7FE86.2060901@deserettechnology.com> <20111226053229.GA16362@limpoc.com> In-Reply-To: <20111226053229.GA16362@limpoc.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [dm-crypt] dm-crypt on SSD gives regular file corruption and segfaults Reply-To: jeff@deserettechnology.com List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: epvdm@limpoc.com Cc: dm-crypt@saout.de On 12/25/2011 10:32 PM, epvdm@limpoc.com wrote: > On Sun, Dec 25, 2011 at 09:56:38PM -0700, Jeff Cook wrote: >> Hello. >> >> I'm not sure if the cause of this is the SSD or dm-crypt or what, but I >> thought I would ask here if anyone had similar problems. My SSD with >> ext4 and dm-crypt experiences significant corruptions and frequent, >> seemingly-random segfaults. Data transferred to my disk will offer >> different md5sums and sometimes large things consider themselves >> corrupted. Has anyone experience things on dm-crypt or SSD? I am just >> curious if this should be attributed to the dm-crypt software layer or >> if I need to start looking more into the hardware. >> >> From >> Jeff > > Well, I am a little concerned because this is precisely my setup, > however I have never had any problems. > I have used it in two configurations: > > ext4 on top of dm-crypt (LUKS) on SSD > > ext4 inside lvm on top of dm-crypt (LUKS) on SSD > > Both have always worked perfectly for me, over a number of months at least. > I frequently manipulate large files such as ISO images, and often use rsync > to backup the whole filesystem, without trouble. I appreciate your data point, thank you. I believe I am just going to have to accept that this is hardware, even though I was hoping it was software related since that's easier to handle. Thanks again. > > eric