What we did previously is used a helper snapshot, and redirected all the new I/Os to this helper snapshot while we consolidated the original chain. In fact, there are situations where the snapshot consolidation operation could even fail if there is too much I/O. Many of you will be aware of the fact that when they VM is very busy, snapshot consolidation may need to go through multiple iterations before we can successfully complete the consolidation/roll-up operation. It seems that we have made a major improvement to the way we do snapshot consolidation in vSphere 6.0. ![]() ![]() This is something I only learnt about very recently, and something I was unaware of.
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