From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([69.77.167.62] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1L5Pfc-0003ia-74 for garchives@archives.gentoo.org; Wed, 26 Nov 2008 19:03:38 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id D3D83E05CF; Wed, 26 Nov 2008 19:03:25 +0000 (UTC) Received: from mail-qy0-f20.google.com (mail-qy0-f20.google.com [209.85.221.20]) by pigeon.gentoo.org (Postfix) with ESMTP id ABE1DE05CF for ; Wed, 26 Nov 2008 19:03:25 +0000 (UTC) Received: by qyk13 with SMTP id 13so1420084qyk.10 for ; Wed, 26 Nov 2008 11:03:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date :user-agent:references:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:message-id; bh=Sc5Aj3I38TmLL6irfGtCgoI0LyVrC7wG/TH2c7mb1qk=; b=Ay+cxXBWzwkVDcW0Bjg0qu020SRabvYYxkzWnT+vQewxOQS3OqVbp3XBthwgCu2o1G vQ8eT6mw6iLJusFLw2haRdb5uPhvzEFw6Z7DRXJ+iAJI8ggpNloIkv8faeRv+/5YsEeQ EhBaXR5e1x+6LnAMb1m4CKDooXF68g5Zk3N1A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:references:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :message-id; b=lbfGaBR+2oQvoVRey434fIFdTx+aDdbm99NJmHSi6EvlMWA1z0QJyswRRE+m4smE12 9nRehGjbhFPX9zvJI1/m2IRg2hK0UNe7DqCRPVRcE+LH8xBIXbzoCXcScII7o4QCJvHl FnL1kuir5XeFi3vr3TaAgu/U8g7e4UsV1st0A= Received: by 10.214.44.17 with SMTP id r17mr5777805qar.186.1227726204215; Wed, 26 Nov 2008 11:03:24 -0800 (PST) Received: from ?10.0.0.6? (dsl-243-253-47.telkomadsl.co.za [41.243.253.47]) by mx.google.com with ESMTPS id 4sm1310753yxj.7.2008.11.26.11.03.21 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 26 Nov 2008 11:03:23 -0800 (PST) From: Alan McKinnon To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: [OT] filesystems Date: Wed, 26 Nov 2008 21:03:16 +0200 User-Agent: KMail/1.9.10 References: <1227479490.26615.47.camel@rattus> <200811252335.28779.alan.mckinnon@gmail.com> <6589BF65-24AA-4247-BE65-D0CFC999B7A3@stellar.eclipse.co.uk> In-Reply-To: <6589BF65-24AA-4247-BE65-D0CFC999B7A3@stellar.eclipse.co.uk> 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 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200811262103.16355.alan.mckinnon@gmail.com> X-Archives-Salt: e41b96d4-5634-426e-b67e-f37cdf76788e X-Archives-Hash: 0de1509ed82c506b92c5b186d27669a3 On Wednesday 26 November 2008 11:16:51 Stroller wrote: > On 25 Nov 2008, at 21:35, Alan McKinnon wrote: > > ... > > Personally, I'm very interested in seeing where Intel go with their > > new SSDs. > > The reason is that I'm getting sick and tired of having to explain and > > justify why the laws of physics prevent my girlfriend from being > > able to > > backup her 5T banking warehouse on the schedule the law of the > > country would > > like her to. There's a solution, but it's hackish and ugly and > > involves > > extremely careful management of LVM snapshots. This is simply way > > too much > > admin effort for what should really be a simple incremental backup > > process. > > Sounds like you want ZFS. > On Solaris. > On a little dedicated box which exports space via NFS. No can do :-) But I didn't give you the full story. Those 5TB are stored in a column-based database on a raw device. The current setup is in production, in a commercial bank and is already delivering aggregated analytical data to the users. When I say "users" you should read "actuaries that determine the bank's business direction for the next several years" Microsoft will ditch Windows and fully embrace OSS long before that lot will entertain the mere idea of a platform change :-) -- alan dot mckinnon at gmail dot com