VTrak E-Class Product Manual - Promise Technology, Inc.

VTrak E-Class Product Manual
Managing SAS Connections
The SAS Management option appears only with VTrak Serial Attached SCSI
models. SAS Management includes the following functions:
• Viewing SAS Port Information (page 184)
• Making SAS Port Settings (page 184)
• Viewing SAS Port Statistics (page 185)
• Viewing SAS Initiators (page 185)
• Adding a SAS Initiator (page 185)
Viewing SAS Port Information
There are two SAS ports on each controller. To view information about the SAS
ports:
1. From the Main Menu, highlight SAS Management and press Enter.
2. Highlight SAS Ports and press Enter.
3. Highlight the port you want to see and press Enter.
The port information appears on the screen.
Adjustable Items
• Cable Signal Strength
See “Making SAS Port Settings” on page 184.
Making SAS Port Settings
There are two SAS ports on each controller. To make settings to the SAS ports:
1. From the Main Menu, highlight SAS Management and press Enter.
2. Highlight SAS Ports and press Enter.
3. Highlight the port you want to see and press Enter.
4. Highlight SAS Port Settings and press Enter.
5. Highlight Cable Signal Strength, press the backspace key to erase the
current value, then type in the new 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 (see “Viewing SAS Port Statistics” on
page 185), try settings of 1 and 3, then use the best setting for your system.
6. Press Ctrl-A to save your settings.
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