Figure 4 through Figure 6 show redundant, high-availability cabling configurations on one and two hosts.
If any one path fails, at least one HBA is still connected to one RAID controller.
Figure 4. Cabling a Single Host Using Redundant Data Paths (MD3000)
MD3000 RAID Enclosure
dual-HBA host server
RAID controller module 1
RAID controller module 0
MD1000 Expansion Enclosure
MD1000 Expansion Enclosure
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