On 2012-03-02 18:06, Stefan Hübner wrote: > Dear Jens, > > this is the output. I added some supplementary details in the hope it's useful ... > > UltraBitch ~ # ISCSI_DEVICE=/dev/sdb SECONDS=$((20*3600)) fio iscsi-stress.fio > iSCSI: (g=0): rw=randwrite, bs=4K-4M/4K-4M, ioengine=libaio, iodepth=16 > fio 2.0.3 > Starting 1 process > Jobs: 1 (f=1): [w] [17.3% done] [0K/113.2M /s] [0 /71 iops] [eta 03d:23h:28m:21s] > iSCSI: (groupid=0, jobs=1): err= 0: pid=18184 > write: io=7740.2GB, bw=112723KB/s, iops=63 , runt=72000222msec > bw (KB/s) : min= 3669, max=593424, per=100.00%, avg=113561.25, stdev=26868.27 > cpu : usr=4.18%, sys=1.28%, ctx=4760480, majf=0, minf=106912 > IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 32=0.0%, >=64=0.0% > submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% > complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% > issued : total=r=0/w=4560578/d=0, short=r=0/w=0/d=0 > > Run status group 0 (all jobs): > WRITE: io=7740.2GB, aggrb=112723KB/s, minb=115428KB/s, maxb=115428KB/s, mint=72000222msec, maxt=72000222msec No reads happened - quick guess, you had the timeout hit before the write phase has finished. Hence it'll exit, and don't do verifies. The reads you saw in the stats must be from other processes. Fio didn't do any. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
