Chapter 8.3.1. Using underlying controller remote copy with SVC cache-disabled VDisks

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Chapter 8. VDisks 125 8.3 Cache- disabled VDisks Cache- disabled VDisks are primarily used when you are virtualizing an existing storage infrastructure and you want to retain the existing storage system copy services. You might want to use cache- disabled VDisks where there is a lot of intellectual capital in existing copy services automation scripts. We recommend that you keep the use of cache- disabled VDisks to minimum for normal workloads. Cache- disabled VDisks can also be used to control the allocation of cache resources. By disabling the cache for some VDisks, more cache resources will be available to cache I/ Os to other VDisks in the same I/ ...

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