From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <534C9859.2050801@kernel.dk> Date: Mon, 14 Apr 2014 20:24:25 -0600 From: Jens Axboe MIME-Version: 1.0 Subject: Re: ( file:io_u.c:1550, func=io_u error, error=No space left on device) when using libaio ioengine References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: Lakshmi , fio@vger.kernel.org List-ID: On 2014-04-14 16:30, Lakshmi wrote: > Hi Jens, > I am trying to run a replay job with ioengine set as libaio. the > other paratemers are shown below. > =================================================== > [global] > #replay_no_stall=1 > ioengine=libaio > iodepth=60 > direct=0 > > group_reporting=1 > > [job1] > read_iolog=/home/TRACE_REPLAY_1/MarkTrace_Replay_1/pBlock_4kBusy_nanosec_device/file_54657438.bin > =================================================== > however when i run the Job i keep getting the below error > > job1: (groupid=0, jobs=90): err=28 (file:io_u.c:1550, func=io_u error, > error=No space left on device): pid=13103: Mon Apr 14 17:24:36 2014 > read : io=10288KB, bw=7788.4KB/s, iops=1947, runt= 1321msec > slat (usec): min=4, max=3311, avg= 7.03, stdev=65.18 > clat (usec): min=107, max=28167, avg=4105.30, stdev=2070.77 > lat (usec): min=114, max=31479, avg=4112.50, stdev=2086.66 > ........................................ > bw (KB /s): min= 7720, max= 7888, per=100.00%, avg=7804.00, stdev=118.79 > write: io=179568KB, bw=135933KB/s, iops=33868, runt= 1321msec > slat (usec): min=3, max=24637, avg=686.05, stdev=1486.47 > clat (usec): min=14, max=70161, avg=5362.90, stdev=3996.05 > ========================================= > > I don't get this when i try with sync or posixaio. Am I missing something here? > Please let me know what is causing this in libaio engine. That sounds odd. Can you send me the file_54657438.bin blktrace file? Probably compress it first. -- Jens Axboe