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IBM System Storage N series Software Guide by Marco Schwarz, Tom Provost, Steven Pemberton, Dirk Peitzmann, Jeff Lin, Roland Tretau

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Aggregates and volumes
This chapter introduces the topic of IBM System Storage N series and aggregates, and explains the concept of volumes.
The following topics are covered:
Overview of aggregates
Aggregates and the IBM System Storage N series storage hierarchy
4.1 Overview of aggregates
An aggregate is a collection of physical disk space used as a container, depending on whether you want to take advantage of RAID-level mirroring and the physical layer. If the aggregate is unmirrored, it only contains a plex. A plex is a collection of one or ...

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