From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from merlin.infradead.org ([205.233.59.134]:55551 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751888Ab2CaX3z (ORCPT ); Sat, 31 Mar 2012 19:29:55 -0400 Message-ID: <4F779366.5000008@kernel.dk> Date: Sat, 31 Mar 2012 16:29:42 -0700 From: Jens Axboe MIME-Version: 1.0 Subject: Re: Verify with mixed read/write References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Vikram Seth Cc: fio@vger.kernel.org On 2012-03-30 17:06, Vikram Seth wrote: > Hi, > > Does the verify option work with mixed read/write case, like rw or randrw ? > > It's not clear from the help text (pasted below). > > This option can be used for repeated burn-in tests of a > system to make sure that the written data is also > correctly read back. If the data direction given is > a read or random read, fio will assume that it should > verify a previously written file. If the data direction > includes any form of write, the verify will be of the > newly written data. It does, yes. -- Jens Axboe