Hello,

A convenient way to provide high availability when using fail-over
between two IPv4 iSCSI servers is to configure the HA software such
that a secondary IPv4 address is only assigned to the active server.
I'd like to build a HA SRP setup using a similar approach. This leads
me to the following question: does there exist an equivalent of
virtual IP addresses for IB ? As far as I can see in the IBTA specs a
subnet manager can assign a secondary GID to an IB HCA port
dynamically.

Does any of the existing IB switches support this ? If so, how does
communication between HA software and IB switch happen ?

Does OpenSM support assigning secondary GIDs to a HCA port ?

Thanks,

Bart.
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