HP EVA3000 Manuel d'utilisateur Page 46

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0112a
Front
Rear
1
2
3
4
56 78 9
10
10
Figure 10 FC drive enclosure—front and rear views
1. D r ive ba y 1 2. D r ive b a y 14
3. EMU
4. I/O module B
5. Blower 1 6. P ower supply 1
7. Blower 2 8. P ower supply 2
9. I/O module A
10. Statusindicators(EMU,enclosurepower,
enclosure fault)
I/O m odules
Two I/O m
odules provide the interface between the drive enclosure and the host controllers. See
Figure 11. They route data to and from the disk drives using Loop A and Loop B, the dual-loop
conguration. For redundancy, only dual-controller, d ual-loop operation is supported. Each controller is
connected to both I/O modules in the drive enclosure.
46
Enterprise Virtual Array hardware components
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