Hi,
The "sync" engine does not seem to work correctly on Windows :
My profile is :
[global]
thread
ioengine=sync
[random_read]
rw=randread
size=1024m
directory=read
bs=32k
fio 2.1.6.1 output contains " err= 5 (file:backend.c:768, func=full resid, error=Input/output error)"
[...]
C:\Program Files\fio>fio.exe H:\fio\fio.win
random_read: (g=0): rw=randread, bs=32K-32K/32K-32K/32K-32K, ioengine=sync, iodepth=1
fio-2.1.6-1-gd004a
Starting 1 thread
fio: pid=5144, err=5/file:backend.c:768, func=full resid, error=Input/output error
random_read: (groupid=0, jobs=1): err= 5 (file:backend.c:768, func=full resid, error=Input/output error): pid=5144: Wed Mar 12 16:36:45 2014
cpu : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 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=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=2/w=0/d=0, short=r=1/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
[...]
Seb
Sébastien BOUCHEX BELLOMIÉ
Infovista® Server Technical Lead, Service Assurance R&D
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