Verifying the Link (Data) Rate Setting
$DEV_NAME, has been selected.
To prepare for this service action, perform the following:
Enter a description of the service action (resetting a controller).
Select the estimated amount of time of the service action from the pull-down.
Select the Reserve button.
a) Other users will be alerted that this service action is in progress when they login.
If a link rate problem has been indicated in an alarm, use the following procedure to verify the link rate setting.
A Link Rate switch is located on the front of the array module to the right of the LEDs. The switch enables you to select the data transfer rate between the controller/IOMs and the drives to either 4 Gb/s or 2 Gb/s. The Link Rate LEDs are located on the rear of each tray controller/IOM.
View the the Link Rate Switch location illustration.Verifying the Link (Data) Rate Setting
Check to see if the Link Rate switch is set to the correct data transfer rate.
a) View the the Link Rate Switch location illustration.
b) If needed move the switch to the correct position (4 Gb/s to the left or 2 Gb/s to the right).
Check the Link Rate LEDs located on the rear of each tray controller/IOM.
a) View the controller LED location and definition illustration.
Determine if disk drives of mixed speeds are installed in the tray. The data transfer rate changes depending on the configuration.
Gather the disk drive manufacturer, type and serial number information to help isolate the problem.
a) View the disk drive information table.
b) From the Device Details screen, under FRUs, select "Disk".
c) From the Disk Component Summary screen, select the appropriate "disk drive name".
d) From the Disk Details Screen, under the Property column, find "Realized" and record the disk drive information in the Value column.
Note:The manufacturer, disk drive type and serial number information are separated by periods.
Contact your Sun Service provider or your next level of technical support with the above information if the problem has not been resolved. It may be necessary to go to the disk drive vendor's website with the disk drive information to determine the disk drive date rate speed.
Disable the reserve CRM/CEM function.
a) Select the Release button.