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Status Future consideration
Workspace Storage Scale (formerly known as GPFS)
Created by Guest
Created on Jun 14, 2023

RELATED IDEAS

Ability to Specify protocol -- rdma/tcp -- along with the subnet/cluster reachability

See this idea on ideas.ibm.com

Consider the following use-case: There are two clusters each with multiple nodes. The intra-cluster communication (i.e amongst nodes within the cluster) happens via TCP and

inter-cluster communication (i.e amongst nodes between clusters) happens via RDMA.

Since “verbsRdma” and “verbsPorts” are global parameters, timeouts happen as there is an assumption that all communication is

happening via RDMA.  The clusters also don't come up until the timeouts happen.

These timeouts can be avoided if there is an ability to specify which clusters are reachable via RDMA and which are via tcp.  

For example: can we say “mmchconfig subnets=1.1.1.1/cluste1.com/rdma, 2.2.2.2/cluster.com/tcp” etc?

Idea priority Medium

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