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## 8.2 Diagnostic Tools

There are a wide selection of diagnostic tools available for use with your server. These tools range from the SunVTS software, a comprehensive validation test suite, to log files in Oracle ILOM that might contain clues helpful in identifying the possible sources of a problem, and the fault management function in Oracle ILOM that enables you to identify a faulted component as soon as the fault occurs.

The diagnostic tools also include standalone software packages, firmware-based tests like power-on self-test (POST), U-Boot tests, or Pc-Check tests, and hardware LEDs that tell you when the system components are operating.

Summary of Diagnostic Tools summarizes the variety of diagnostic tools that you can use when troubleshooting or monitoring your server.

Table 8-1 Summary of Diagnostic Tools

Diagnostic Tool | Type | What It Does | Accessibility | Remote Capability
--- | --- | --- | --- | ---
Oracle ILOM | SP firmware | Monitors environmental conditions, generates alerts, performs fault isolation, and provides remote console access. | Can function on standby power and when the operating system is not running. | Designed for remote and local access.
Preboot Menu | SP firmware | Enables you to restore some of Oracle ILOM defaults (including firmware) when Oracle ILOM is not accessible. | Can function on standby power and when operating system is not running. | Local, but remote serial access is possible if the SP serial port is connected to a network-accessible terminal server.
LEDs | Hardware and SP firmware | Indicates status of overall system and particular components. | Available when system power is available. | Local, but sensor and indicators are accessible from Oracle ILOM web interface or command-line interface (CLI).
POST | Host firmware | Tests core components of system: CPUs, memory, and motherboard I/O bridge integrated circuits. | Runs on startup. Available when the operating system is not running. | Local, but can be accessed through Oracle ILOM Remote Console.
U-Boot | SP firmware | Initializes and test aspects of the service processor (SP) prior to booting the Oracle ILOM SP and operating system. Tests SP memory, SP, network devices and I/O devices. | Can function on standby power and when operating system is not running. | Local, but remote serial access is possible if the SP serial port is connected to a network-accessible terminal server.
Pc-Check | SP firmware (or on Tools and Driver DVD for systems without SP) | DOS-based utility that tests all motherboard components (CPU, memory, and I/O), ports, and slots. | Runs on startup. Available when the operating system is not running. | Remote access through Oracle ILOM Remote Console.
Solaris commands | Operating system software | Displays various kinds of system information. | Requires operating system. | Local, and over network.
SunVTS | Diagnostic tool standalone software | Exercises and stresses the system, running tests in parallel. | Requires operating system. Install SunVTS software separately. | View and control over network.

### 8.2.1 Diagnostic Tool Documentation

Summary of Documentation for Diagnostic Tools identifies where you can find more information about diagnostic tools.

Table 8-2 Summary of Documentation for Diagnostic Tools

Diagnostic Tool | Information | Location
--- | --- | ---
ILOM | Oracle Integrated Lights Out Manager 3.0 Documentation Collection | http://www.oracle.com/pls/topic/lookup?ctx=E19860-01&id=homepage
Oracle Integrated Lights Out Manager (ILOM) 3.0 Supplement for Sun Fire X4470 Server | http://www.oracle.com/pls/topic/lookup?ctx=E19694-01&id=homepage
Preboot Menu | Using the Preboot Menu Utility | 8.3 Using the Preboot Menu Utility
LEDs; or system indicators and sensors | Sun Fire X4470 Server Service Manual Oracle Integrated Lights Out Manager (ILOM) 3.0 Supplement for Sun Fire X4470 Server | http://www.oracle.com/pls/topic/lookup?ctx=E19694-01&id=homepage
Oracle Integrated Lights Out Manager (ILOM) 3.0 Documentation Collection | http://www.oracle.com/pls/topic/lookup?ctx=E19860-01&id=homepage
POST | Servicing the Server at Boot Time | 7.2 About the BIOS 7.3 Default BIOS Power-On Self-Test (POST) Events 7.4 BIOS POST F1 and F2 Errors 7.5 How BIOS POST Memory Testing Works
U-Boot or Pc-Check | Oracle x86 Servers Diagnostics Guide | http://www.oracle.com/pls/topic/lookup?ctx=E20781-01&id=homepage
Solaris commands | Solaris command information for Solaris 10 | http://www.oracle.com/technetwork/server-storage/solaris/documentation/index-jsp-135724.html
Oracle VTS | Oracle VTS software and documentation | http://www.oracle.com/pls/topic/lookup?ctx=E19719-01&id=homepage

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