From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zdenek Kaspar Subject: Re: raid10n2/xfs setup guidance on write-cache/barrier (GiB alignment) Date: Sat, 17 Mar 2012 22:39:31 +0100 Message-ID: <4F650493.7080709@gmail.com> References: <4F61803A.60009@hardwarefreak.com> <20321.63389.586851.689070@tree.ty.sabi.co.UK> <20322.29849.917554.794740@tree.ty.sabi.co.UK> <20324.44842.473837.511238@tree.ty.sabi.co.UK> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20324.44842.473837.511238@tree.ty.sabi.co.UK> Sender: linux-raid-owner@vger.kernel.org To: Peter Grandi Cc: Linux RAID , Linux fs XFS List-Id: linux-raid.ids Dne 17.3.2012 16:35, Peter Grandi napsal(a): > I often recommend aligning partitions to 1GiB, also because I > like to have 1GiB or so of empty space at the very beginning and > end of a drive. I'm really curious why do you use such alignment? I can think about few reasons, but most practical I think you like to slice in gigabyte sizes. Z.