Designed To Scale For Capacity - IBM TotalStorage DS6000 Series Redbooks

The DS6800 Model 1750-EX1 is also a 3 Electrical Industries Association (EIA)
self-contained unit, as is the 1750-511, and it can also be mounted in a standard 19 inch rack.
Figure 5-3 DS6800 Model 1750-EX1 rear view
Controller model 1750-511 and expansion model 1750-EX1 have the same front appearance.
Figure 5-3 displays the rear view of the expansion enclosure, which is a bit different compared
to the rear view of the 1750-511 model.
Figure 5-4 shows a 1750-511 model with two expansion 1750-EX1 models.
Figure 5-4 DS6000 with 2 expansion drawer 1750-EX1 models attached to 1750-511 controller
Up to 7 expansion drawers build up to the maximum configuration of 128 DDMs, which is
comprised of 8 drawers x 16 DDMs.

5.2 Designed to scale for capacity

The DS6800 has outstanding scalability for capacity ranging from 584 GB up to 38.4TB
without disruptive maintenance.
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DS6000 Series: Concepts and Architecture