Re: Fwd: fio: ruh info failed

[Shivashekar Murali Shankar <ssdtshiva@gmail.com>]

thanks much vincent. any idea when this might get supported? any other
work around for this ?

On Fri, Sep 26, 2025 at 2:46 PM Vincent Fu <vincentfu@gmail.com> wrote:
>
> On Fri, Sep 26, 2025 at 5:43 PM Jens Axboe <axboe@kernel.dk> wrote:
> >
> > On 9/26/25 1:30 PM, Shivashekar Murali Shankar wrote:
> > > Hi,
> > >
> > > I am currently testing fio with io_uring on an FDP-capable drive, but
> > > I see failures such as “fio: ruh info failed” when trying to run FDP
> > > job files. This is run on an XFS file system on a mounted drive. Do we
> > > have support for this?
> > >
> > > Below is my fio job file:
> > >
> > > [global]
> > > ioengine=io_uring
> > > direct=1
> > > bs=4k
> > > iodepth=32
> > > rw=write
> > > numjobs=1
> > > group_reporting
> > > fdp=1
> > >
> > > [largedata]
> > > filename=/mnt/nvme/largedata
> > > size=30G
> > > fdp_pli=1
> >
>
> FDP support is currently only available for NVMe character devices.
> See the example here:
>
> https://github.com/axboe/fio/blob/master/examples/uring-cmd-fdp.fio
>
> > It's generally a good idea to CC the folks that worked on this, and
> > probably use the fio list rather than the io_uring list...
> >
> > Adding them.
> >
> > --
> > Jens Axboe
> >



-- 
Thanks and Regards,
Shivashekar Murali Shankar,