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Does Windows Clustering provide true High Availability to Data Services?

Hi,

I've used Server Groups before to provide HA with the understanding that it doesn't provide a fully automatic failover.  By this I mean that if a node fails when a DataFlow is mid execution then we need to engineer some sort of recovery mechanism as there is the possibility that we have a partial data load.

I'm currently looking at Windows Clustering and I am not certain that it provides true HA either and so I'm not sure if there is any advantage over server groups. Am I right in thinking that with a windows cluster if a node fails when a dataflow is mid execution then we still need a recovery mechanism for any potential partial data loads or other data corruption?

Our target landscape is DS 4.2 sp4 on Windows

Thanks

Al

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