From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp13.cnnic.cn ([218.241.118.13]:43577 "EHLO cnnic.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753552AbbEUIRE (ORCPT ); Thu, 21 May 2015 04:17:04 -0400 Message-ID: <555D9487.3040104@cnnic.cn> Date: Thu, 21 May 2015 16:17:11 +0800 From: Nan WANG MIME-Version: 1.0 Subject: Urgent problem while using Fio to test random write performance Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: 8bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: fio@vger.kernel.org hi all~ I wanted to use fio to test random write performance, the command line is as forllowing: fio --filename=/dev/sdb1 --direct=1 --iodepth 1 --thread --rw=randwrite --ioengine=psync --bs=16k --size=200G --numjobs=10 --runtime=1000 --group_reporting --name=mytest After the execution of fio finished, my disc usage become 100%, is there any method to release the content written by Fio? Thanks a lot in advance!! -- 王楠 技术研发中心 --------------------------------- ==专业·责任·服务== 中国互联网络信息中心 CNNIC 网 址: www.cnnic.cn 中国互联网络信息中心.中国 地 址: 北京市海淀区中关村南4街4号 北京349信箱6分箱（100080） --------------------------------- Nan WANG Research&Development Center = =Profession • Responsibility • Service= = China Internet Network Information Center （CNNIC） Website: www.cnnic.cn 中国互联网络信息中心.中国 Add: 4th Zhongguancun Nansijie, Haidian District, Beijing 100190, China POB: Beijing 349, Branch 6