My primary motivations are:
Most of my systems that I want to use with ceph already have fibre
Chantel cards and infrastructure, and more infrastructure is
incredibly cheap compared to infiniband or {1,4}0gbe cards and
infrastructure
Most of my systems are expansion slot constrained, and I'd be forced
to pick one or the other anyway.
On Thu, Apr 21, 2016 at 9:28 PM, Paul Evans <pe@xxxxxxxxxxxx> wrote:
> In today’s world, OSDs communicate via IP and only IP*. Some FiberChannel
> switches and HBAs support IP-over-FC, but it’s about 0.000002% of the FC
> deployments.
> Therefore, one could technically use FC, but it does’t appear to offer
> enough benefit to OSD operations to justify the unique architecture.
>
> What is your motivation to leverage FC behind OSDs?
>
> -Paul
>
> *Ceph on native Infiniband may be available some day, but it seems
> impractical with the current releases. IP-over-IB is also known to work.
>
>
> On Apr 21, 2016, at 8:12 PM, Schlacta, Christ <aarcane@xxxxxxxxxxx> wrote:
>
> Is it possible? Can I use fibre channel to interconnect my ceph OSDs?
> Intuition tells me it should be possible, yet experience (Mostly with
> fibre channel) tells me no. I don't know enough about how ceph works
> to know for sure. All my googling returns results about using ceph as
> a BACKEND for exporting fibre channel LUNs, which is, sadly, not what
> I'm looking for at the moment.
>
>
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