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Re: Question about IO workload via NBD

On Fri, Sep 06, 2019 at 04:35:11PM -0700, Taylor Yang wrote:
> Hi All,
> After specifying sync and flush error correctly, this issue seems to
> be fixed. But we still encounter IO error with FIO running on NBD that
> seems to cause by disconnection
> The error is like
> fio: io_u error on file /dev/nbd0: Input/output error: write
> offset=xxxx, buflen=xxxx
> I already specified 'persist' option while launching the nbd-client.
> Is there any other things I could do on the NBD side or the FIO side
> to prevent this error?
> Any help is appreciated.

You might want to try out the NBD engine that we recently added to
FIO.  It's basically replacing one client (the kernel) with another
client (libnbd).


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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