[Bugs] [Bug 1694010] peer gets disconnected during a rolling upgrade.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1694010



--- Comment #1 from hari gowtham <hgowtham at redhat.com> ---
To over come this issue the following steps were performed.

Upgrade all the node in the cluster one after other.
Once all the nodes are upgraded, kill glusterd process alone.
Let other process keep running.
Now do a "iptables -F"
And then restart the glusterd on all the nodes
Try gluster peer state after this to check if the nodes are connected.

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