From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 83644138946 for ; Mon, 27 Oct 2014 11:12:10 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id F3710E097A; Mon, 27 Oct 2014 11:12:04 +0000 (UTC) Received: from mail-wg0-f50.google.com (mail-wg0-f50.google.com [74.125.82.50]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id C54F6E087F for ; Mon, 27 Oct 2014 11:12:03 +0000 (UTC) Received: by mail-wg0-f50.google.com with SMTP id z12so2856084wgg.9 for ; Mon, 27 Oct 2014 04:12:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=2B0RZCPSwtwljyJMf6kcbA1L8TTVeqVEwcJW6rhr+PA=; b=Vix/DNBAaj/sEGcVbEtcx0ewDIC9u4BReX03ZH7RmCAAueaX7ndlGBBjI3BkJo9u8a 8p3Mq58xSTq4UMSMHGASXxoRq6DqEp75/Qvvng7f8aaYq6nQxOulAN6NFheuNGZJ1X+d 33iisfJ8DC1aatgDZn5PRVZ6m03qd9Cbk5Gcu719sqgpmvaRgSO0yl2IojK46JYEjCat 6wEfLmODkuAhpzODA5LVmkQpruQ6YXxjW9Ff6Ud48VWLmTV6Oz8S89habyLXb2TdR+go hNS+jEJMDiflJWmireYZAuXaecXxvnwfuQDvYDM4VIkjJRM6GcHgKtrhNCa2ULgucscD ri4A== X-Received: by 10.180.84.194 with SMTP id b2mr20615483wiz.57.1414408322483; Mon, 27 Oct 2014 04:12:02 -0700 (PDT) Received: from [192.168.1.40] ([41.85.145.17]) by mx.google.com with ESMTPSA id pc8sm15207207wjb.36.2014.10.27.04.12.01 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Oct 2014 04:12:01 -0700 (PDT) Message-ID: <544E2875.5000309@gmail.com> Date: Mon, 27 Oct 2014 13:11:49 +0200 From: Alan McKinnon User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Safeguarding strategies against SSD data loss References: <201410270924.40381.michaelkintzios@gmail.com> In-Reply-To: <201410270924.40381.michaelkintzios@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Archives-Salt: c70c5e6f-0fba-4a26-9059-29346d024bf0 X-Archives-Hash: 81d8b34b0f94dbf184ce50aaa5dc9dd6 On 27/10/2014 11:24, Mick wrote: > I'm starting a new thread so as to not hijack the one about alternative > kernels, but continue with something Volker raised. > > On Sunday 26 Oct 2014 23:25:50 Volker Armin Hemmann wrote: > >> as others have written already: ssd. >> >> With a caveat: if an ssd dies, it will die suddenly. Without a warning. >> Usually 5 minutes before the start of your weekly or monthly backup run. >> And that is first hand experience. > > I haven't yet started using SSD and have wondered what sort of a system should > I set up to guard against such instantaneous catastrophic failures. I am > interested to hear what strategies people deploy to avoid data loss with SSDs, > especially on laptops that don't have the luxury of raid redundancy. > > With spinning drives I use tar and rsync at regular intervals. There have > been a few rare cases where a drive failed without prior notice - the last one > after a reboot. In such cases I am prepared to live with the risk of some > data loss, on machines where raid is not an option. > Without some form of redundancy that would be your best strategy - decent and frequent backups -- Alan McKinnon alan.mckinnon@gmail.com