Changing the Phy Link Speed

You can change the link speed between the controller and an expander or between the controller and a drive that is directly connected to the controller. Typically, the phy link speed is set to Auto. If desired for compatibility, troubleshooting or performance analysis, you can specify a specific link speed (1.5 Gbps, 3.0 Gbps, or 6.0 Gbps).

To change the phy link speed in 3DM2

1	On the Controller Phy Summary page, identify the phy device for which you wish to change the link speed. Direct-attached drives are identified by their VPort ID.

2	In the Link Control drop-down menu, select the desired speed: 6 Gbps, 3 Gbps, 1.5 Gbps, or Auto.

3	A reboot is required to reset the link speed to the new setting.


	Caution: Restricting the link speed to a higher setting will not allow slower devices to be recognized by the firmware.

For details about the information displayed on this screen, see Controller Phy Summary page.

Show Controller Phy Summary page

Related Topics: Viewing Controller Policies; Setting the Auto-Rebuild Policy; Using Auto-Carving for Multi LUN Support; Setting the Size of Volumes Created with Auto-Carving; Enabling and Setting Up Staggered Spin-up; Viewing Information About a Phy