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HP MSA 2040 User Manual

HP MSA 2040
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Connecting controller and drive enclosures 25
Figure 13 Cabling connections between MSA 2040 controllers and drive enclosures of mixed model type
The figure above provides sample diagrams reflecting cabling of MSA 2040 controller enclosures and
supported mixed model drive enclosures. In this example, the SFF drive enclosures follow the LFF drive
enclosures. Given that both drive enclosure models use 6 Gb SAS link-rate and SAS2.0 expanders, they
can be ordered in desired sequence within the array, following the controller enclosure.
The diagram at left shows fault-tolerant cabling of a dual-controller enclosure and mixed model drive
enclosures, and the diagram at right shows the same storage components connected using straight-through
cabling.
1B
1A
Controller B
Controller A
Out
In
Out
In
3B
3A
P1
P1
4B
4A
P2
P2
P2
P2
P1
P1
5B
5A
2B
2A
Out
In
Out
In
Fault-tolerant cabling
1
1
2
2
= LFF 12-drive enclosure
1
= SFF 25-drive enclosure
2
Drive enclosure IOM face plate key:
1B
1A
Controller B
Controller A
Out
In
Out
In
3B
3A
P1
P1
4B
4A
P2
P2
P2
P2
P1
P1
5B
5A
2B
2A
Out
In
Out
In
Straight-through cabling
1
1
2
2

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HP MSA 2040 Specifications

General IconGeneral
BrandHP
ModelMSA 2040
CategoryStorage
LanguageEnglish

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