CODEWITHSUNDEEP
hyperledger
tedy
tedy

Reputation: 23

how to recover/prevent a network failure when the Root peer node crashes

The Hyperledger-fabric documentation specifies that all VP should be linked to the root Peer node.

Hyperledger documentation:http://hyperledger-fabric.readthedocs.io/en/latest/Setup/Network-setup/

However at any stage, if the root peer node fail (shutdown), then the entire network (all vp) will be inaccessible.

What is the best way to handle/avoid such situation?

Thank you

Upvotes: 0

Views: 247

Answers (1)

Sufiyan Ghori
Sufiyan Ghori

Reputation: 18753

if the root peer node fail (shutdown), then the entire network (all vp) will be inaccessible.

This is not true. The network would still be running, and still deploy, invoke transactions.

Consider for example, If I have 3 nodes running, i.e, vp0, vp1, vp2 with vp0 running as a root node, and if i shutdown this root node (vp0), I would still be able to deploy and invoke transactions on the rest of the nodes in the network.

You can verify that the rest of the nodes are still running by executing (for each container),

docker exec container-id curl http://localhost:7050/network/peers

it will list all the current peers in the network.

container-id can be found by running docker ps

However, in order to add new nodes in the network, I have to specify the value of CORE_PEER_DISCOVERY_ROOTNODE and set it to the ip address of either vp1 or vp2 (vp0 is down).

Upvotes: 3

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