[rds-devel] HA over RDS question.
Tang, Changqing
changquing.tang at hp.com
Thu Mar 31 10:48:56 PDT 2011
Andy,
We have system with single IB HCA, two ports, IB bonding.
1. if port-1 fails, four things happen:
a). the ongoing rds-rdma message will be reported as RDS_RDMA_REMOTE_ERROR or RDS_RDMA_OTHER, other rdma messages will be dropped;
b). IB bonding migrate to port-2;
c). RDS re-establish the connection over port-2;
d). application re-send the dropped rds-rdma message immediately;
What could be the time order of a),b),c),d) above?
2. Is it possible to send zero byte rds message or zero byte rdma message ?
Thanks.
--CQ Tang, HP seaquest.
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