Compaq StorageWorks 9000 42U Configuration Manual page 13

A typical building block using Model 4254 disk enclosures (dual-bus) consists
of one Model 2200 controller enclosure with three Model 4254 disk enclosures
(see Figure 3). The Model 4214R can also be configured in this manner.
NOTE: If a Model 4214R disk enclosure is configured in this manner, only three of the I/O
ports are being used.
Figure 3. Examples of modular building blocks using either the Model 4214R
(single-bus) or Model 4254 (dual-bus) disk enclosures
1
One Model 2200 controller
enclosure and three Model
4214R disk enclosures
2
Two Model 2200 controller
enclosure and six Model
4214R disk enclosures
3
Three Model 2200 controller
enclosure and nine Model
4214R disk enclosures
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Writer: Patrick Waychoff Project: Modular Array Configuration Guide Comments:
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Modular Array Configuration Guide 5
or
One Model 2200 controller
enclosure and three Model
4254 disk enclosures
or Two Model 2200 controller
enclosure and six Model 4254
disk enclosures
or Three Model 2200 controller
enclosure and nine Model
4254 disk enclosures