From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <542AC1CC.5000508@kernel.dk> Date: Tue, 30 Sep 2014 08:44:28 -0600 From: Jens Axboe MIME-Version: 1.0 Subject: Re: Limit LBA Range References: <5429B424.7080903@kernel.dk> <5429C839.7090408@kernel.dk> <542A1A21.4070406@kernel.dk> In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit To: Jon Tango , 'Sitsofe Wheeler' Cc: fio@vger.kernel.org List-ID: On 2014-09-30 01:56, Jon Tango wrote: > > > On 30 September 2014 07:34, Jon Tango wrote: >> >> The taskfile is this: > > I should have been more specific - you need to show both the _vdbench_ parameter file that you are comparing to in addition to showing your fio job file. > > -- > Sitsofe | http://sucs.org/~sits/ > -- > To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html > > Here you go :) VDBench uses percentages for specifying the LBA range. > > hd=localhost,clients=4,jvms=4 > sd=s1,lun=\\.\PhysicalDrive1,align=4096,range=(0,86) > * > sd=default,offset=4096,align=4096 > wd=wd1,sd=s1,rdpct=0,seekpct=100 > * > rd=rd1,wd=wd1,iorate=max,forthreads=128,xfersize=4k,elapsed=18000,interval=1 Side note, you can do that in fio, too. Just do size=86% and it'll work. -- Jens Axboe