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2 filtering of error information – HP Hitachi Dynamic Link Manager Software User Manual

Page 66

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2. HDLM Functions

42

#

When you want to configure the system so that HDLM messages are output to

syslog, specify

user

for the facility in the syslog settings file. The following

shows an example where the system function name is

user

, and messages at the

info

level or higher are output to the

/tmp/syslog.user.log

file:


user.info /tmp/syslog.user.log

For details on error levels, see 2.11.2 Filtering of Error Information.

2.11.2 Filtering of Error Information

Errors detected by HDLM are classified into various error levels. Table 2-9: Error

Levels lists the error levels, in the order of most to least severe.

Table 2-9: Error Levels

Error information is filtered by error level, and then collected.
The error level is equivalent to the level of the messages output by HDLM. For details

on the level of the message, see 8.1.1 Format and Meaning of Message IDs.
In syslog, the HDLM messages on or above the level set by the user configured in

syslogd settings file are collected. It is recommended that you set the information to be

output at the Information level or higher.
Note that all the facilities when HDLM outputs messages in syslog are user.
The error information in error logs and trace files are collected based on a user-defined

collection level. The collection levels are as follows:
Collection levels for error logs

Collects no error information.
Collects error information from the Error level and higher.
Collects error information from the Warning level and higher.

Error

level

Meaning

Critical

Fatal errors that might stop the system.

Error

Errors that adversely affect the system. This type of error can be avoided by performing a failover

or other countermeasures.

Warning

Errors that enable the system to continue but, if left, might cause the system to improperly operate.

Informatio

n

Information that simply indicates the operating history when the system is operating normally.

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