From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <gentoo-user+bounces-150812-garchives=archives.gentoo.org@lists.gentoo.org> Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 60D6D1381F3 for <garchives@archives.gentoo.org>; Thu, 19 Sep 2013 13:04:22 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id B08C6E0BC0; Thu, 19 Sep 2013 13:04:18 +0000 (UTC) Received: from mail-qa0-f46.google.com (mail-qa0-f46.google.com [209.85.216.46]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id AD469E093A for <gentoo-user@lists.gentoo.org>; Thu, 19 Sep 2013 13:04:17 +0000 (UTC) Received: by mail-qa0-f46.google.com with SMTP id j7so3573779qaq.19 for <gentoo-user@lists.gentoo.org>; Thu, 19 Sep 2013 06:04:16 -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=kFiPLP30BYjhS8KKBd5Yv6si41k+6QnQHRQM7Cxra5o=; b=jPBZI6IHwle3ySc5R+9zDvMEWOtBEwRRB0FXwo+G8dcnLPt1ilb0poY2Q0OQcuglNH p/ias/i/oET4A55b1PgikaPNFfsVv0sXi7oUs94QFW5CLpeKLMrMNGPxc1Saar5DVf3n I2FotYwcAoUwF7L7nOItShdRku09+RcKp3dSeZ/QZjiecXu+gxs/YlUEmk903exrwKMc /gykU9Z9JmTA7eZDzqoYNLQ+WnvBoQmuJo32YsmxWN/moULdQho8sFuH+KyPxaLjCfxu 2xYg4beWp1Vg1IQMqcI5r7okpZohEiBDDMKI5AHFr1d/o0TME0bPZwEGRoZ339anDhDp Uf9w== Precedence: bulk List-Post: <mailto:gentoo-user@lists.gentoo.org> List-Help: <mailto:gentoo-user+help@lists.gentoo.org> List-Unsubscribe: <mailto:gentoo-user+unsubscribe@lists.gentoo.org> List-Subscribe: <mailto:gentoo-user+subscribe@lists.gentoo.org> List-Id: Gentoo Linux mail <gentoo-user.gentoo.org> X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 X-Received: by 10.49.121.134 with SMTP id lk6mr3279724qeb.23.1379595856870; Thu, 19 Sep 2013 06:04:16 -0700 (PDT) Received: by 10.140.25.83 with HTTP; Thu, 19 Sep 2013 06:04:16 -0700 (PDT) In-Reply-To: <523AB011.7080205@xunil.at> References: <CAN0CFw1nGVZxJGGsq4TZidEPuyLDkcD0oYRDOOfNzFFM2vQ-tg@mail.gmail.com> <523898A3.7000404@googlemail.com> <52389B55.6090600@libertytrek.org> <20130918042228.GG25579@server> <loom.20130918T144004-646@post.gmane.org> <CAN0CFw1ovoDhA_jvp27zK4+8eBV4bva2ntrYEZVvVXCoydDkAQ@mail.gmail.com> <20130919074441.GB12275@TranscendTheRubicon.fritz.box> <CAA2qdGUieZLoTvnfvd16Sg4QxEzdwPj2QvMeKvxpqRHWgOCJTA@mail.gmail.com> <523AB011.7080205@xunil.at> Date: Thu, 19 Sep 2013 13:04:16 +0000 Message-ID: <CAN0CFw1=yHPuh-mC2U3PkybEbqWCh8fm+Bkn6x3rVhmFQddGuw@mail.gmail.com> Subject: Re: [gentoo-user] Re: ZFS From: Grant <emailgrant@gmail.com> To: Gentoo mailing list <gentoo-user@lists.gentoo.org> Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: 3576ad39-311b-48ee-9a7e-244d601db476 X-Archives-Hash: 8f5ace193c526710f0b8a5a6362e5ea0 >> Especially with SSDs. One must find out the blocksize used by his/her SSDs. >> >> With spinning disks, setting ashift=12 is enough since no spinning >> disks have sectors larger than 2^12 bytes. >> >> With SSDs, one might have to set ashift=13 or even ashift=14. > > May I suggest that we should somehow collect all these small but > important issues for reference? Wiki? This could be useful: http://www.funtoo.org/wiki/ZFS_Install_Guide - Grant