Hello,
A few further decisions and plans regarding I/B have now been made.
Likely our initial focus will be on a 2.4 SDP layered NAL using the
Voltaire stack. This work is well along, but it is unclear what level
of stability is achievable.
When the final definition of the openib stack starts to take shape,
CFS will likely migrate to that stack.
- Peter -
On Mon, Mar 15, 2004 at 06:37:51PM -0500, Phil Schwan
wrote:> sky wrote:
> > Is infinaband NAL supported by current lustre release?If no, when it
will it be supported?
>
> No. We will supply an Infiniband NAL based on the openib.org stack, but
> the precise definition of the openib.org stack is still changing.
It''s
> hard to say exactly when this will be finished.
>
> > Another question, Can I expect good performance if we build a tcp
impelmentation over infiniband API?
>
> Not particularly, no. The TCP stack uses a lot of CPU, and does not
> support features such as remote DMA.
>
> Until we release our infiniband nal, you could use the socknal to run on
> TCP-over-IB, but performance will be reduced.
>
> -Phil
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- Peter -