From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1ROCkC-0002j4-AC for garchives@archives.gentoo.org; Wed, 09 Nov 2011 18:19:30 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 6787E21C0A2; Wed, 9 Nov 2011 18:19:18 +0000 (UTC) Received: from mail-ey0-f181.google.com (mail-ey0-f181.google.com [209.85.215.181]) by pigeon.gentoo.org (Postfix) with ESMTP id 3D9B521C04A for ; Wed, 9 Nov 2011 18:18:20 +0000 (UTC) Received: by eyx24 with SMTP id 24so1853641eyx.40 for ; Wed, 09 Nov 2011 10:18:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:in-reply-to:references:organization :x-mailer:mime-version:content-type:content-transfer-encoding; bh=U8VPCUjvW60KBP437B7/C9UeWYn32+CXRKo0RlZ1dY8=; b=DjO9QechlHttQ/MCQXF7whVyjLlRIgL5ZPVG8Yr7BCCulTQ3Cm4emKg25NJnQFrzFs jyMpYT3U9Y8+Jr7X2qcqeuLDG/wPIJG51qG3NvQLSESHnoV77Tncd9B7qV2MIur242vU gREREl4gA02wJ8BAM8AZBsORRhMyFRIjRDTDQ= Received: by 10.213.32.207 with SMTP id e15mr289531ebd.90.1320862700382; Wed, 09 Nov 2011 10:18:20 -0800 (PST) Received: from rohan.example.com ([196.215.144.97]) by mx.google.com with ESMTPS id v3sm15560985eej.7.2011.11.09.10.18.16 (version=SSLv3 cipher=OTHER); Wed, 09 Nov 2011 10:18:18 -0800 (PST) Date: Wed, 9 Nov 2011 20:18:11 +0200 From: Alan McKinnon To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] ext4/ext3 for /boot? Message-ID: <20111109201811.6212dd35@rohan.example.com> In-Reply-To: <20111108083724.GA3497@acm.acm> References: <4EB82372.7030206@gmail.com> <20111107212650.78b8a910@rohan.example.com> <20111108083724.GA3497@acm.acm> Organization: Internet Solutions X-Mailer: Claws Mail 3.7.8 (GTK+ 2.24.4; x86_64-pc-linux-gnu) 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=US-ASCII Content-Transfer-Encoding: 7bit X-Archives-Salt: 00b9211a-607b-4a2b-8c1d-b20fd7c7b102 X-Archives-Hash: 6527cd732750dba7ab5243f6f0abfd1f On Tue, 8 Nov 2011 08:37:24 +0000 Alan Mackenzie wrote: > On Mon, Nov 07, 2011 at 09:26:50PM +0200, Alan McKinnon wrote: > > > ext2/3/4 are all backwards compatible. ext4 does have a certain > > feature (I forget what) that once used breaks this compatibility > > but you are highly, highly unlikely to ever do that on /boot. > > > The benefits of ext3/4 are irrelevant for /boot anyway - that > > filesystem is write-seldom, read ever so slightly more often. > > Really? I put my PC into power saving mode before going to bed each > evening. The PC needs to read /boot to return to normal operation. So that part of the disk is read once a day. How many reads are made in a day on the rest of the disk? It still fully qualifies as "seldom". Let's put it in human terms - if a single read to the disk were equivalent to one day on human terms, you are looking at a read every 45 lifetimes. -- Alan McKinnnon alan.mckinnon@gmail.com