Guide for using Infiniband on OTC

A quick guide how to use Infiniband on the Open Telekom Cloud

1. Create 2 ECS with H1 or H2 flavor using the RHEL7 public image

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2. on both systems please modprobe the ib_srp module and restart the srpd service

		# modprobe ib_srp
		# service srpd restart

3. on both systems check with ping that they both can reach each other

4. on both system then please install the “iperf3” package via yum

		# yum install iperf3

5. on both systems please disable the iptables firewall

		# iptables --flush && iptables -t nat --flush

6. on one system start the “iperf3” as a server

		# iperf3 -s

7. on the other system start “iperf3” as client

		# iperf3 -c [ip-address-of-the-first-system]

Now you can enjoy your super fast network connection between the 2 VMs.