IBM TotalStorage DS4300 Turbo, Инструкция по установке, использованию и обслуживанию

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In addition, it is strongly recommended, for such reasons as easier maintenance
and minimizing cabling errors, that you not only cable the same type of enclosures
together, but that you also cable together the enclosures within groups of the same
model. For example, cable the EXP710s together, followed by all of the EXP810s,
then followed by all of the EXP100s, and so on.
Figure 56 on page 73 shows an example of the recommended cabling scheme of
mixed enclosure types behind a DS4300 Storage Subsystem using EXP100s,
EXP710s, and EXP810s storage expansion enclosures. This figure also shows the
IBM recommended cabling of enclosures when mixing EXP100s, EXP710s and
EXP810s enclosures in the same redundant drive loop pair - a group of EXP100s,,
followed by a group of EXP810s, followed by a group of EXP100s. The EXP810s is
between the EXP100s and EXP710s.
72
IBM TotalStorage DS4300 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide
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