Promise Technology VessRAID 1740s, Product Manual

Page: 202 / 324

VessRAID 1740s, 1840s Product Manual
188
4. Press the or button to scroll through the port information .
• Link Status
• Port Type
• Link Speed
• SAS Address
• Signal Strength
Making SAS Port Settings
The SAS Controller has one SAS channel. The SAS channel has two ports.
See “Making Data and Management Connections” on page 17 for information
about how these ports are physically connected to the Host PC.
To make settings to the SAS ports:
1. Press the or button until the display says SAS Management .
2. Press the button and the display says SAS Port Info .
3. Press the button again and the display says SAS Port 1 .
• Press the button again to choose SAS Port 1 .
• Press button and the button to choose SAS Port 2.
4. Press the or button to scroll to Signal Strength.
5. Press the button to highlight the current value.
6. Press the or button to increment or decrement the value .
The range is 1 to 8. 1 is the default. Signal strength correlates to cable length
in meters. Example: If you have a 2 m SAS cable, set signal strength to 2. If
performance is unsatisfactory try settings of 1 and 3, then use the best
setting for your system.
7. Press the button again to set the value.
Managing the Controller
The RAID controller is the heart of the VessRAID subsystem. To view Controller
statistics or to make Controller settings, see “Managing the Controller” on
page 82 (WebPAM PROe) or page 129 (CLU).
Viewing Controller Information
To view information about the controller:
1. Press the or button until the display says View Controller .
2. Press the button and the display says Vendor .