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 1RJSmC-0006dg-7j for garchives@archives.gentoo.org; Thu, 27 Oct 2011 16:25:58 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 4C50521C06D; Thu, 27 Oct 2011 16:25:42 +0000 (UTC) Received: from mail-fx0-f53.google.com (mail-fx0-f53.google.com [209.85.161.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 3834421C025 for ; Thu, 27 Oct 2011 16:24:40 +0000 (UTC) Received: by faai28 with SMTP id i28so3472571faa.40 for ; Thu, 27 Oct 2011 09:24:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=from:to:subject:date:message-id:user-agent:in-reply-to:references :mime-version:content-transfer-encoding:content-type; bh=0/KRXzKRgjsd6RGOERstK35Uo6sRSCm8/KKrr5QwT4s=; b=W3DqV5ajOyCq3g4LT3eyQ62ahadQsYVezAylUA0D6w2hRdljPWW5nnm2UJMKoQA4aj uZ3vg8/PQCUAgMZdjT3LR5EYv9Amm3J+rmEUxHGJvnddLxnxhdFfVVbHeuqa4La7ujzM v4SOOFReaqEi0DTSrFoFDyzqhjjyW5JBIry+Y= Received: by 10.223.5.66 with SMTP id 2mr1483991fau.26.1319732680414; Thu, 27 Oct 2011 09:24:40 -0700 (PDT) Received: from localhost.localnet (p4FC60862.dip0.t-ipconnect.de. [79.198.8.98]) by mx.google.com with ESMTPS id v19sm12001077faa.13.2011.10.27.09.24.37 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 27 Oct 2011 09:24:38 -0700 (PDT) From: Volker Armin Hemmann To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: Hard drive RPMs and data speed. Date: Thu, 27 Oct 2011 18:24:30 +0200 Message-ID: <2251997.4gxL5gE8u7@localhost> User-Agent: KMail/4.7.2 (Linux/3.0.7; KDE/4.7.2; x86_64; ; ) In-Reply-To: References: <4EA9130A.6070807@gmail.com> 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-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Archives-Salt: X-Archives-Hash: 3c544afeed9d5c62be9a2ae244f4627a Am Donnerstag 27 Oktober 2011, 13:09:17 schrieb Nikos Chantziaras: > On 10/27/2011 11:15 AM, Dale wrote: > > Howdy, > > > > I'm wanting to get a hard drive that is pretty good size. I'm looking > > for about 1 to 2TBs or so. Thing is, a lot of them seem to be 5900 or > > even 5400 rpm drives. I realize that the data on there is packed pretty > > tight so I want to ask a few people that may have one or more of these > > things a few questions. Are they as fast as a slower RPM drive? > > I assume you meant to say "as fast as a faster RPM drive". No, of > course not. If we're speaking about the same capacity and amount of > platters, of course. If we're not, then yes, they can be as fast > because of the higher data density. > > > Would > > they be fast enough to play HD videos and such? I have quite a few 1080 > > HD videos. I don't want the drive to cause issues. > > The transfer speed required for playing HD videos is virtually zero. > 1080p video compressed using an 8mbps rate require 2MB/s. This can be > done even with the slowest drive from 10 years ago. Today's slowest > drive are able to play about 40 or 50 of those HD video simultaneously. > So the answer is yes. They can play HD video :-) > > Most of those 5900/5400 disks are meant for pure data storage. The > lower RPM is used to market them as "green and silent", meaning they > don't consume much power and aren't noisy. Installing your OS on them > though isn't going to give you good speed. They have good transfer > rates, but their access times usually suck. > > > Can someone that has one or more of these post their hdparm -Tt results? > > Different speeds would be great too. I'd like to compare what a 5400rpm > > drive would do compared to a 7200rpm drive. > > Simply Google around for benchmarks of the drivers you're interested in. > Note that is in area where it doesn't make any real difference that > the benches or reviews you find are performed under MS Windows. The > results are applicable to every OS. > > As a rule of thumb when buying drives: if you want to install software > on it, buy an 7200RPM drive with good access times. Of course they're > more expensive If you just want to store all your downloaded HD porn > and music collection on it, a silent 5400RPM drive is a good choice. > indeed. Additionally they don't get really warm. Which reduces the overall thermal load in the case. One important thing: most if not all 2TB drives have 4K sectors, which means you have to be carefull while partitioning those beasts. -- #163933