Installing and Configuring the BIOS Settings
Manually setting the topology for QLogic Fibre Channel adapters
The EMC default setting for the topology is set to 2 (Loop preferred; otherwise, point to point).
For Linux environments, it is recommended that the Connection Options parameter be set to 1 when attached to a fabric and to 0 when directly attached to an EMC storage array.
Follow these steps to set the NVRAM variables for the topology:
1.Boot the host. When the QLogic banner appears, press
2.Select Configuration Settings from the Fast!Util Options menu.
3.Select Host Adapter Settings from the Configuration Settings menu.
4.Select Connection Options (topology) and press Enter.
5.Select the appropriate topology and press Enter:
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6.Press ESC to return to the Fast!Util Options menu.
7.When prompted to save the changes made to the current adapter, select Save Changes.
8.If you have more adapters to configure, choose Select Host Adapter and repeat steps 2 through 7 for each adapter.
9.Press ESC to exit the Fast!Util menu.
10.Reboot the host.
Manually setting the topology for QLogic Fibre Channel adapters
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