Issue in reading data using fio + gfapi

[Prashanth Kumar N <Prashanth.N@xxxxxxxx>]

Hi,

 

I have been trying to use gfapi to read files written using fio  gfapi engine,  but don’t see anything getting read. When I check disk activity using iostat or low level tools for my PCIe SSD, there is no activity.

 

Is the below sequence of fio correct way of using it? Am I missing something?

 

[root@vsan-blr4 prashanth]# fio --name=seq_write.1.0 --filename=seq_write.1.0 --rw=read --ioengine=gfapi --direct=1 --bs=4K --iodepth=1 --numjobs=8 --group_reporting --volume=pvol --brick=192.168.1.3 --time_based=40 --size=1G

 

fio: time_based requires a runtime/timeout setting

seq_write.1.0: (g=0): rw=read, bs=4K-4K/4K-4K/4K-4K, ioengine=gfapi, iodepth=1

...

fio-2.2.10

Starting 8 processes

Jobs: 8 (f=0): [R(8)] [inf% done] [0KB/0KB/0KB /s] [0/0/0 iops] [eta 1158050441d:07h:00m:13s]

 

[ Note: As soon as I start the fio job, I see a huge ETA number which seems fishy and fio exits in less than 5 seconds. ]

 

 

Thanks

Prashanth

 

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