This paper covers the major topics one needs to understand to properly position and sell (or buy) iSeries and S/400 disk storage. The following topics are probably the most important to understand: What is RAID?; comparing Mirroring and RAID; Understanding clustering/Managed/High Availability (including cross-system mirroring); Understanding 10K rpm disk drives and new Disk Controller Features; When is the external Enterprise Storage Server (ESS, aka "Shark") appropriate, and Disk Sizing for both Capacity and Performance. This paper, or portions of it, may be given to customers who need a better understanding of iSeries and AS/400 disk (portions may be too detailed for some customers without technical staffs).
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