HP StorageWorks 16-EL diagnostic and system error messages version 3.1.x refer - Page 15

Table 2: Error Message Severity Levels, Overview of System Logs

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Introduction to System Error Messages Table 2: Error Message Severity Levels Severity Level 0 = Panic 1 = Critical 2 = Error 3 = Warning 4 = Informational 5 = Debug Description Panic-level messages indicate that a specific software subsystem has detected a fatal or irrecoverable error condition-for example, memory allocation failure, system call failure, and software detection of misbehaving ASIC or hardware subsystems. Such errors indicate either partial or complete failure of a subsystem. A panic frequently results in a reboot of a single-processor switch or a failover of a StorageWorks Core switch operating in a fully redundant state. Critical-level messages indicate serious problems detected by the software that will eventually cause a partial or complete failure of a subsystem-for example, a power supply or sensor failure can generate a critical level error message. Some critical errors may overlap in severity with panic-level errors. Error-level messages indicate conditions that may not be fatal. These messages are considered less severe than panic- or critical-level error messages. For example, error-level messages may indicate timeouts seen on certain operations, failures of certain operations after retries, invalid parameters, or failure to perform a requested operation. Warning-level messages are less severe than error-level messages. These messages may indicate temporary failures detected by a software module or the detection of a parameter under monitoring that exceeded a specific threshold value. Informational-level messages require no corrective or recovery action. They record events in the system-for example, the disabling of a port or the clearing of a switch error log-and provide a description of those events to the user. Debug-level messages are produced by code inserted to inform HP that a suspected problem has occurred. Overview of System Logs This section describes the System Logs and the types of messages saved in the System Logs, and explains how to view the information in the log files. Note: The contents of the Port Logs and instructions for setting up syslogd are discussed in the HP StorageWorks HP StorageWorks Fabric OS Procedures Guide. The contents of the Panic Trace Logs are intended for support use only. l Diagnostic and System Error Messages Version 3.1.x Reference Guide 15

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Introduction to System Error Messages
15
Diagnostic and System Error Messages Version 3.1.x Reference Guide
Overview of System Logs
This section describes the System Logs and the types of messages saved in the
System Logs, and explains how to view the information in the log files.
Note:
The contents of the Port Logs and instructions for setting up syslogd are discussed
in the
HP StorageWorks HP StorageWorks Fabric OS Procedures Guide
. The contents of
the Panic Trace Logs are intended for support use only.
l
Table 2:
Error Message Severity Levels
Severity Level
Description
0 = Panic
Panic-level messages indicate that a specific software subsystem has detected a
fatal or irrecoverable error condition—for example, memory allocation failure,
system call failure, and software detection of misbehaving ASIC or hardware
subsystems. Such errors indicate either partial or complete failure of a subsystem.
A panic frequently results in a reboot of a single-processor switch or a failover of a
StorageWorks Core switch operating in a fully redundant state.
1 = Critical
Critical-level messages indicate serious problems detected by the software that will
eventually cause a partial or complete failure of a subsystem—for example, a
power supply or sensor failure can generate a critical level error message. Some
critical errors may overlap in severity with panic-level errors.
2 = Error
Error-level messages indicate conditions that may not be fatal. These messages are
considered less severe than panic- or critical-level error messages. For example,
error-level messages may indicate timeouts seen on certain operations, failures of
certain operations after retries, invalid parameters, or failure to perform a
requested operation.
3 = Warning
Warning-level messages are less severe than error-level messages. These messages
may indicate temporary failures detected by a software module or the detection of
a parameter under monitoring that exceeded a specific threshold value.
4 = Informational
Informational-level messages require no corrective or recovery action. They record
events in the system—for example, the disabling of a port or the clearing of a
switch error log—and provide a description of those events to the user.
5 = Debug
Debug-level messages are produced by code inserted to inform HP that a
suspected problem has occurred.