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 47376138010 for ; Thu, 23 Aug 2012 18:59:46 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 561DAE06C0; Thu, 23 Aug 2012 18:59:24 +0000 (UTC) Received: from mail-qa0-f46.google.com (mail-qa0-f46.google.com [209.85.216.46]) by pigeon.gentoo.org (Postfix) with ESMTP id 592D4E071D for ; Thu, 23 Aug 2012 18:57:26 +0000 (UTC) Received: by qaas11 with SMTP id s11so7418qaa.19 for ; Thu, 23 Aug 2012 11:57:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=AKbgDf8GjC4mX72BYA65EzdV754n/TvZ4LhoyePj0fM=; b=ry79a4woP2ndlh8RtSBwjiqg+T/gjXidXzTwGD2UUEh3gPJhs+jwkzJSmNa+BXPDeB XZxQUlkWOUfdrwGYA5XLoH6ZwoE/vMJU7hKhkgUwUv3UNDULMsZdxtfKrPPAzZbGj44f At2DSsi31vlWrJVjMe8m+iGerRLbC1emxr69SWunyI9bOLh7OHcJmFrt0MrN+1ePIEQI YkWznfA+b0YaPuIU2jNTU2TAtAdTZSE1N5vmmnFc1OWJKpjsNfMgMNWQHhf0r4eFax+u CczXrs7MVL4kD7/BmWadXfdFDLX1SgUrOUn2VeM+nw7QC71IjnN3fRMHwHky/lJwoaSB sD6A== 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 10.224.181.193 with SMTP id bz1mr4564326qab.64.1345748245668; Thu, 23 Aug 2012 11:57:25 -0700 (PDT) Received: by 10.229.23.65 with HTTP; Thu, 23 Aug 2012 11:57:25 -0700 (PDT) In-Reply-To: References: Date: Thu, 23 Aug 2012 11:57:25 -0700 Message-ID: Subject: Re: [gentoo-user] SSD performance tweaking From: Mark Knecht To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: d571f525-2640-4d0b-8ef0-3cd9e26e7d98 X-Archives-Hash: a15bc2b8f75e673ceb0071f2db946a6f On Thu, Aug 23, 2012 at 8:55 AM, Mark Knecht wrote: > On Wed, Aug 22, 2012 at 3:58 PM, Paul Hartman > wrote: > >> >> I think the only way we'lll see 500MB/sec on that SSD is to buy a >> motherboard which has a SATA3 controller as its primary on-board drive >> controller and plug it in to that. >> >> Look on the bright side, someday when we upgrade our motherboards, >> it'll be like we got a free SSD upgrade for our troubles. :) >> > > Support for your POV Paul: > > http://techgage.com/article/battle_of_the_sata_30_controllers/ > > My controller is also a Marvell and the machine is X58-based so > results are likely to be similar. > > I'm likely fighting a losing battle here, but I'll keep fighting for > awhile longer... > > Cheers, > Mark One additional thought: This limitation is likely just a byproduct of using a 1 lane controller. If one was willing to spend a (fairly large) bit more one could get a 16 lane SATA3 controller and would likely do much better in terms of throughput...