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Type: Task
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Resolution: Won't Do
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: None
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Cluster Scalability
Since SERVER-83158, the cluster upgrade procedure has changed, requiring new binaries to add the new command line option `upgradeBackCompat`, and adding a new step where all upgraded binaries are restarted without that option. Currently resmoke does not support a cluster where all binaries are upgraded, but only some of them have removed the `upgradeBackCompat` option. This task is to add that support and create tests suites that use it.