In this demo setup, if Host 1 doesn’t work, Host 2 (2 orderers + 2 peers) should still handle chaincode invoke. The problem is that if your endorsement policy requires Org1, then chaincode cannot be successfully invoked as endorsement policy is not satisfied.

In real life, a better setup should have further split each host into two, each of which keep one orderer and one peer. In such a case, if one host is out-of-service, the whole network should still working.

cheers, kc

Happy to share what I learn on blockchain. Visit http://www.ledgertech.biz/kcarticles.html for my works. or reach me on https://www.linkedin.com/in/ktam1/.

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