HP 2000fc HP StorageWorks 2012fc Modular Smart Array user guide (481597-001, M - Page 42

Connecting Direct Attach Configurations, Caution,

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Connecting Direct Attach Configurations This section explains how to connect the controller enclosure directly to data hosts. It shows configurations that support high availability and high performance, and notes when host port interconnects must be enabled. The controller enclosure has four host connections, two per controller. Connect FC cables from host ports on each controller to FC HBAs on data hosts, as shown in the following figures. To maintain redundancy, connect each data host to both controller A and controller B. Caution - Fiber optic cables are fragile. Do not bend, twist, fold, pinch, or step on the fiber optic cables. Doing so can degrade performance or render data unavailable. Note - For clarity, the schematic illustrations of the controllers shown in this section show only relevant details such as host ports. For detailed illustrations showing all components, see "Hardware Components and LEDs" on page 13. Figure 3-1 shows a single-controller to a single-port data host configuration. Figure 3-1 Single-Controller, Direct Attach Connection to One Single-Port Data Host 42 HP StorageWorks 2012fc Modular Smart Array user guide • March 2008

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42
HP StorageWorks 2012fc Modular Smart Array user guide
•
March 2008
Connecting Direct Attach Configurations
This section explains how to connect the controller enclosure directly to data hosts.
It shows configurations that support high availability and high performance, and
notes when host port interconnects must be enabled.
The controller enclosure has four host connections, two per controller. Connect FC
cables from host ports on each controller to FC HBAs on data hosts, as shown in the
following figures. To maintain redundancy, connect each data host to both
controller A and controller B.
Caution –
Fiber optic cables are fragile. Do not bend, twist, fold, pinch, or step on
the fiber optic cables. Doing so can degrade performance or render data unavailable.
Note –
For clarity, the schematic illustrations of the controllers shown in this
section show only relevant details such as host ports. For detailed illustrations
showing all components, see “Hardware Components and LEDs” on page 13.
Figure 3-1 shows a single-controller to a single-port data host configuration.
Figure 3-1
Single-Controller, Direct Attach Connection to One Single-Port Data
Host