v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 4, “Parts listing, Type 7377 server,” on page 125 to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionA green hard disk drive activityLED does not accuratelyrepresent the actual state of theassociated drive.1. If the green hard disk drive activity LED does not flash when the drive is in use,run the DSA disk drive test.2. Use one of the following procedures:v If the drive passes the test, replace the backplane.v If the drive fails the test, replace the drive.An amber hard disk drive statusLED does not accuratelyrepresent the actual state of theassociated drive.1. If the amber hard disk drive LED and the RAID controller software do notindicate the same status for the drive, complete the following steps:a. Turn off the server.b. Reseat the RAID controller.c. Reseat the backplane signal cable and backplane power cable.d. Reseat the hard disk drive.e. Turn on the server and observe the activity of the hard disk drive LEDs.2. See “Problem determination tips” on page 122.Hypervisor problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 4, “Parts listing, Type 7377 server,” on page 125 to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.v Go to the IBM support Web site at http://www.ibm.com/systems/support/ to check for technicalinformation, hints, tips, and new device drivers or to submit a request for information.Symptom ActionIf an optional USB hypervisorkey is not listed in the expectedboot order, does not appear inthe list of boot devices at all, ora similar problem has occurred.1. Make sure that the optional USB hypervisor key is selected on the boot menu(in the Setup utility and in F12).2. Make sure that the USB hypervisor key is seated in the connector correctly(see “Removing a USB hypervisor key” on page 169 and “Installing a USBhypervisor key” on page 170).3. See the documentation that comes with your optional USB hypervisor key forsetup and configuration information.4. Make sure that other software works on the server.42 IBM System x3630 M3 Type 7377: Problem Determination and Service Guide
