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9176/D173 D
ISK SUBSYSTEM - SITE PREPARATION GUIDE 31
S
IXTH EDITION
9170-001 Interface Components
The 9170-001 drive tray has four interface connectors— two on each Channel Card
Module (see Figure 12). The 9170 FC cables use HSSDC to HSSDC connectors to route
data, providing copper fibre cables’ performance and reliability to the 9170 Disk Arrays.
Figure 12 9170’s Channel Card - Interface Connectors
Refer to the StorageTek™ 9170 Disk Array User’s Guide (P/N 95960) for information
about status lights, and cabling going from the 9176 Disk Controller to the 9170 Disk
Array.
Briefly, the 9176 Fibre Channel cable used to attach from the controller to the 9170 array
uses a FC cable with a DB-9 connector at the controller end and a HSSDC connector at the
drive tray end. With ten drive trays in one cabinet, four DB-9 to HSSDC FC cables are
used (two short and two long). This creates two sets of redundant FC loops, which attach
to opposite ends of the 9170’s drive trays. This enables data to be accessed in the event of
a catastrophic failure that terminates the FC loop in midstream.
Unique installations using two cabinets and more than ten StorageTek 9170 Disk Arrays
are possible. In this case it is important to balance your loads so that each Fibre Channel
loop is driving equal amounts of storage. StorageTek Manufacturing will set up the
cabinets for best performance, and this or a similiar balanced configuration should be
maintained.
Refer to the StorageTek D173 Disk Subsystem User’s Guide (P/N 96032) for its connector
and status light information.
Right Side Channel Card Module
(aka Environmental Card Canister)
Item 1 - 4 are the
Channel Card’s Status
Lights
Item 5 is the Loop Status
Indicator
Item 6 and 7 are the
Fibre Channel Interface
Connector (HSSDC)
Note: The green power
supply and fan module
status light is also visible
through the fan grill.
Address Card
Module