AIX 5L Problem Determination - IBM Redbooks

3. After a legacy microchannel system has gone down with flashing 888s, which
of the following procedures is the best way to diagnose the problem?
A. Turn the power off and back on.
B. Reboot the system in maintenance mode.
C. Turn the key to service and press the Reset button to make a dump.
D. Verify that the key is in normal mode and press the Reset button to obtain
error codes.
4. All of the following are contained in a system dump except:
A. The entire contents of memory
B. The history of kernel function calls
C. The process/thread that was active
D. The final history of error log events leading up to the system crash
5. Which of the following devices is a valid primary dump device?
A. /dev/hd5
B. /dev/null
C. /var/adm/ras
D. /dev/paging00
6. A system dump must be performed in order to have a permanent snapshot of
the current state of the system. Which of the following commands should be
run?
A. snap
B. crash
C. sysdumpdev
D. sysdumpstart
7. After a user initiates a dump request on an AIX system, the entry shown in
Figure 5-4 on page 104 is recorded in the system's error log.
Chapter 5. System dumps 103