From: Eric Sandeen Subject: Re: Testing performance of SSDs using ext4 and effect on parameters Date: Mon, 23 Jun 2014 10:07:47 -0500 Message-ID: <53A842C3.1070302@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit To: rishabh.singh.cse11@iitbhu.ac.in, linux-ext4 Return-path: Received: from mx1.redhat.com ([209.132.183.28]:23943 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753900AbaFWPHt (ORCPT ); Mon, 23 Jun 2014 11:07:49 -0400 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: On 6/22/14, 11:30 PM, Rishabh Singh B.Tech., CSE, IIT-BHU, Varanasi (INDIA) wrote: > Hi, > > I am testing the performance of SSDs using the ext4 file system in > Ubuntu. I want to test the effects on performance by changing > parameters: > 1.data=writeback or ordered > 2.barriers > 3.noatime > 4.errors > > Can you kindly suggest me how do I change the desired parameters for > testing? And some other resouces that are helpful. Please read the mount(8) and tune2fs(8) manpages: # man 8 mount # man 8 tune2fs -Eric