Re: [Gluster-devel] IB/RDMA Testing for 3.4

[Raghavendra Gowdappa]

----- Original Message -----
> From: "Andrew Holway" <address@hidden>
> To: "Raghavendra Gowdappa" <address@hidden>
> Cc: address@hidden, "Иван Димитров" <address@hidden>
> Sent: Thursday, December 27, 2012 3:28:58 AM
> Subject: Re: [Gluster-devel] IB/RDMA Testing for 3.4
> 
> >> 
> >> Is the Gluster RDMA stuff derived from the NFS over RDMA stuff?
> > 
> > Yes. Largely implemented based on RFCs 5666 and 5667.
> 
> Does gluster use RDMA for client connections or internal stuff or
> both? Googling didn't come up with much.

As of now, tcp/ip is used for connection establishment b/w client and 
(glusterd, bricks). Once connection is established, all data goes through 
infiniband network. Effectively all the file system data goes through 
infiniband. Message sizes exceeding certain threshold are transferred using 
rdma and others through send/recv.

> 
> Ta,
> 
> Andrew
> 
> > 
> > regards,
> > Raghavendra.
> 
> 
>