Re: [PATCH 0/3] Provide more fine grained control over multipathing

[Sagi Grimberg]

> > We plan to implement all the fancy NVMe standards like ANA, but it
> > seems that there is still a requirement to let the host side choose
> > policies about how to use paths (round-robin vs least queue depth for
> > example).  Even in the modern SCSI world with VPD pages and ALUA,
> > there are still knobs that are needed.  Maybe NVMe will be different
> > and we can find defaults that work in all cases but I have to admit
> > I'm skeptical...
>
> The sensible thing to do in nvme is to use different paths for
> different queues.

Huh? different paths == different controllers so this sentence can't
be right... you mean that a path selector will select a controller
based on the home node of the local rdma device connecting to it and
the running cpu right?