Dell Drac 5 User Manual

Recovering and Troubleshooting the DRAC 5271
Recovering and Troubleshooting 
the DRAC 5
This section explains how to perform tasks related to recovering and 
troubleshooting a crashed DRAC 5.
You can use one of the following tools to troubleshoot your DRAC 5:

 Diagnostic Console

 racdump
 coredump
Using the RAC Log 
The RAC Log is a persistent log maintained in the DRAC 5 firmware. The 
log contains a list of user actions (such as log in, log out, and security policy 
changes) and alerts issued by the...

272Recovering and Troubleshooting the DRAC 5
Using the RAC Log Page Buttons
The RAC Log page provides the buttons listed in Table 16-2.
Table 16-1. RAC Log Page Information
Field Description
Date/ TimeThe date and time (for example, Dec 19 16:55:47). 
When the DRAC 5 initially starts and is unable to communicate 
with the managed system, the time will be displayed as System 
Boot. 
SourceThe interface that caused the event.
DescriptionA brief description of the event and the user name that logged into...

Recovering and Troubleshooting the DRAC 5273
Using the Command Line
Use the getraclog command to view the RAC log entries.
racadm getraclog -i 
The getraclog -i command displays the number of entries in the DRAC 5 log.
racadm getraclog [options]
 NOTE: For more information, see getraclog.
You can use the clrraclog command to clear all entries from the RAC log.
racadm clrraclog
Using the Diagnostic Console
The DRAC 5 provides a standard set of network diagnostic tools (see 
Table 16-3) that are similar to...

274Recovering and Troubleshooting the DRAC 5
Using the Trace Log
The internal DRAC 5 Trace Log is used by administrators to debug DRAC 5 
alerting and networking issues. 
To access the Trace Log from the DRAC 5 Web-based interface:
1
In the System tree, click Remote Access.
2Click the Diagnostics tab.
3Ty p e  t h e  gettracelog command, or the racadm gettracelog command in 
the Command field.
 NOTE: You can use this command from the command line interface also. See 
gettracelog for more information.
The...

Recovering and Troubleshooting the DRAC 5275
Using the racdump
The racadm racdump command provides a single command to get dump, 
status, and general DRAC 5 board information.
 NOTE: This command is available only on Telnet and SSH interfaces. For more 
inform, see the racdump command.
Using the coredump
The racadm coredump command displays detailed information related to 
any recent critical issues that have occurred with the RAC. The coredump 
information can be used to diagnose these critical issues....

276Recovering and Troubleshooting the DRAC 5 

Sensors277
Sensors
Hardware sensors or probes help you to monitor the systems on your network 
in a more efficient way by enabling you to take appropriate actions to prevent 
disasters, such as system instability or damage.
You can use the DRAC 5 to monitor hardware sensor for batteries, fan probes, 
chassis intrusion, power supplies, power consumed, temperature, and 
voltages.
Battery Probes
The Battery probes provide information about the system board CMOS and 
storage RAM on motherboard (ROMB)...

278Sensors
Power Supplies Probes
The power supplies probes provides information on:
 status of the power supplies, whether within the normal threshold value or 
has crossed threshold value.
 NOTE: You can set threshold values only from the Dell™ OpenManage™ 
Server Administrator. See the Dell OpenManage Server Administrator User’s 
Guide for more information.
 power supply redundancy, that is, the ability of the redundant power 
supply to replace the primary power supply if the primary power supply...

Sensors279
Voltage Probes
The following are typical voltage probes. Your system may have these and/or 
others present. 
 CPU [n] VCORE 
 System Board 0.9V PG 
 System Board 1.5V ESB2 PG 
 System Board 1.5V PG 
 System Board 1.8V PG 
 System Board 3.3V PG 
 System Board 5V PG 
 System Board Backplane PG 
 System Board CPU VTT 
 System Board Linear PG
The voltage probes indicate whether the status of the probes is within the 
pre-set warning and critical threshold values. 

280Sensors