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IBM System Storage N series Clustered Data ONTAP by Youn-Ho Yang, Tom Provost, Steven Pemberton, Michal Klimes, Christian Fey, Roland Tretau

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Performance considerations
This chapter focuses on performance, more specifically, the tools that the IBM N series provides to simplify performance increase by configuring certain features.
The following topics are covered:
 
16.1 FlexCache
A FlexCache volume is a sparsely-populated volume on a cluster node, that is backed by a volume, usually present on a different node within that cluster. A sparsely-populated volume or a sparse volume provides access to data in the backing ...

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