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DRBD8: Split-brain false positive on Primary/primary potential patch: msg#00002linux.kernel.drbd.devel
When running Primary/Primary if the Heartbeat connection goes down when we recover we always split brain. Simon had an idea which I have implemented. He is on vacation so this may not reflect his exact idea. Essentially with this change, we do not create a new current UUID on the node unless I/O is seen. This prevent Split-Brain mitigation when both nodes are primary but only one node is originating I/O and never the other. He is only stand-by in that case. Take a look and let me know. EM--
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