[ofa-general] [RFC PATCH 4/4] rdma/cma: implement RDMA_ALIGN_WITH_NETDEVICE ha mode

Steve Wise swise at opengridcomputing.com
Tue May 13 14:59:14 PDT 2008


Roland Dreier wrote:
>  > Use netevent notification for sensing that a change has happened in the IP stack,
>  > then scan the rdma-cm IDs list to see if there is an ID that is "misaligned"
>  > in that respect with the IP stack, and disconnect it, in case this is what the
>  > user asked to when setting an ha mode for the ID.
>
> this seems like a strange "HA" feature -- to disconnect connections that
> otherwise would continue operating.  What is the use case/use scenario?
>
>   

Maybe this should really be implemented in the ULP that wants this 
behavior.  IE the ULP could register for routing/neighbour changes and 
tear down connections and re-established them on the correct device.

STeve.



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