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Chapter 1 Hardware Configurations
1.3 Enclosure Connection Path
ETERNUS DX60 S2 Disk storage system User’s Guide -Site Planning-
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Copyright 2012 FUJITSU LIMITED P3AM-5492-04ENZ0
1.3 Enclosure Connection Path
For a dual-controller type, a controller enclosure (CE) is connected to a drive enclosure (DE) with
multiple paths.
A drive enclosure has two independent DI ports. Path redundancy is maintained by connecting
the drive enclosure to two controllers directly. This configuration allows operation to continue
even if one of the connection paths fails.
Figure 1.24 Enclosure connection path (dual-controller type)
A connection path is not duplicated in a single-controller type.
Figure 1.25 Enclosure connection path (single-controller type)
DIDI
DIDI
CE
DI: Drive Interface port
DE
DI
DI
CE
DI: Drive Interface port
DE