IBM totalstorage ds4500 Manuel D’Utilisation
Drive Loop A
Drive Loop B
Drive Loop D
Drive Loop C
Input
Input
Output
Output
First DS4000 drive
enclosure
enclosure
Last DS4000 drive
enclosure
enclosure
New DS4000 drive
enclosure
enclosure
DS4500 Storage
Subsystem
Subsystem
ESMs
First DS4000 drive
enclosure
enclosure
Last DS4000 drive
enclosure
enclosure
Storage Expansion
Enclosures - Group 1
Enclosures - Group 1
Storage Expansion
Enclosures - Group 2
Enclosures - Group 2
ds454min
Figure
5.
Redundant
drive
loop
cabling
overview
—
four
mini
hubs
7