[Beowulf] Migrating from IB datagram mode to connected mode live ?

[Chris Samuel]

On Thursday 19 April 2012 17:04:53 Håkon Bugge wrote:

> echo connected >  /sys/class/net/ib0/mode

Umm, yes, we know how to set it; the question is whether introducing 
nodes that have it set onto an IB fabric with nodes in datagram mode 
will cause issues and/or instability ?

For instance can nodes in connected mode talk to nodes in datagram 
mode, and vice versa ?

cheers,
Chris
-- 
   Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/