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 1RJO0C-00019O-GH for garchives@archives.gentoo.org; Thu, 27 Oct 2011 11:20:04 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 738F821C031; Thu, 27 Oct 2011 11:19:52 +0000 (UTC) Received: from mail-vx0-f181.google.com (mail-vx0-f181.google.com [209.85.220.181]) by pigeon.gentoo.org (Postfix) with ESMTP id 30C5421C021 for ; Thu, 27 Oct 2011 11:18:45 +0000 (UTC) Received: by vcbfk14 with SMTP id fk14so3388492vcb.40 for ; Thu, 27 Oct 2011 04:18:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=OPNqveqPMhtKhp3wTpqRBmcDDngjWPdvutx/bUBWcMA=; b=PVfBlkuVvMi+G9e/TkEkQXRmx1pxXJPvMpaeTWGcOF3CGQ8X1ckSA5UKDfn9490sVE BAxXI2ZJ1Wy2PfNMYG7CLY3+sfOxFuokFaSrxOnXQ6HOBwh3ehAcA6x2mGOqvbP5Pary jnFNJ6/LWW5yjBbRZxNPAFGnrKRsM3FQ+fVKs= 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 Received: by 10.220.117.71 with SMTP id p7mr1023840vcq.127.1319714325498; Thu, 27 Oct 2011 04:18:45 -0700 (PDT) Received: by 10.220.199.2 with HTTP; Thu, 27 Oct 2011 04:18:45 -0700 (PDT) In-Reply-To: References: <4EA9130A.6070807@gmail.com> Date: Thu, 27 Oct 2011 07:18:45 -0400 Message-ID: Subject: Re: [gentoo-user] Re: Hard drive RPMs and data speed. From: Michael Mol To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: X-Archives-Hash: 2fb4d0965fa6035992603ff2049eccd5 On Thu, Oct 27, 2011 at 6:09 AM, Nikos Chantziaras wrote: > Oh, and one other thing; hdparm is only meant to get you the continuous I= /O > transfer rate. =C2=A0It's an awful benchmark for anything else, like what= happens > if a file is fragmented or how fast it can copy/write data spread around = the > disk, how good it is at combined random I/O operation, etc. For that kind of information, go with bonnie++ I've little else to add to the thread, except that I ran three Seagate 1.5TB 'green' drives in RAID5 for quite a while with very nice perforance results. Access times were comfy, and I tended to get about 60MB/s continuous read and write speed. I hadn't learned about bonnie++ yet, so I don't have any good benchmarks to show on that front. --=20 :wq