From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <5363BEA6.6010009@kernel.dk> Date: Fri, 02 May 2014 09:49:58 -0600 From: Jens Axboe MIME-Version: 1.0 Subject: Re: Recent changes (master) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: Ajoy Aswadhati , fio@vger.kernel.org List-ID: On 05/02/2014 09:47 AM, Ajoy Aswadhati wrote: > I am referring to only one 1GB file and want the data distributed randomly > across the 1TB target disk. > 1 TB disk can be raw without a file system. What is the algorithm for > distributing this 1GB over the 1TB space? Fio has no control over where the filesystem chooses to allocate the physical blocks, so that's not a solvable problem from userspace. -- Jens Axboe