Yes, a loss of it will degrade performance. Read cache never "needs" protecting, by definition. Most likely, you won't see Cache Cade 2.0 on a Dell PERC controller until PERC 9." ( ) " There is no plan to upgrade Generation 8 controller (H710, H710P, and H810). so there's nothing to protect in that case. Regarding "protecting" the cache, Dell's cachecade doesn't support write caching, and from I read will NOT be supporting it until the next generation RAID controllers. ![]() just like a supercharger on my wife's car. So, in this case, yes - additional performance *is* a "nice to have" feature. I only became aware of the feature upon reading discussions here about the benefits of the R720xd platform for virtualization. The applications, in this case, do not NEED SSD read cache to perform, and the original hardware specs did not dictate it.
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