Dell PowerEdge 6850 - Manual (Page 25)

SAS Information Update
23
Troubleshooting a SAS Controller Card
NOTE:
When troubleshooting a SAS controller card, also see the documentation for your operating system
and the controller card.
Problem
• Error message indicates a problem with the SAS controller card.
• SAS controller card performs incorrectly or not at all.
Action
CAUTION:
Any installation that requires removal of the system cover is intended solely to be performed by
trained service technicians. Before performing any procedure, see your Product Information Guide for complete
information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
1 Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics"
in the Installation and Troubleshooting Guide.
2 Restart the system and press <Ctrl><R> to enter the RAID configuration utility.
See the controller's documentation for information about configuration settings.
3 Check the configuration settings, make any necessary corrections, and restart the system.
If the problem is not resolved, continue to the next step.
4 Remove the bezel. See "Opening the System" in the Installation and Troubleshooting Guide.
5 Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
6 Open the system. See "Opening the System" in the Installation and Troubleshooting Guide.
7 Ensure that the controller card is firmly seated in its connector. See "Replacing a SAS Controller Card"
on page 12.
8 Ensure that the following RAID components are properly installed and connected:
• Memory module
• Battery
9 Verify that the cable connections between the SAS backplane(s) and the SAS controller card are
correct. See Figure 1-5.
10 Ensure that the cables are firmly connected to the SAS controller card and the SAS backplane board.
11 Close the system. See "Closing the System" in the Installation and Troubleshooting Guide.
12 Reconnect the system to its electrical outlet, and turn on the system and attached peripherals. If the
problem persists, replace the SAS card battery. See "Replacing a SAS Controller Card" on page 12.
13 If replacing the battery does not solve the problem, see "Getting Help" in the Installation and
Troubleshooting Guide.