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2 setting up the hdlm functions – HP Hitachi Dynamic Link Manager Software User Manual

Page 167

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3. Creating an HDLM Environment

143

To check the current audit log settings, execute the following command:


>dlnkmgr view -sys -audlog
Audit Log : off
Audit Log Category : -
KAPL01001-I The HDLM command completed normally. Operation name
= view, completion time = yyyy/mm/dd hh:mm:ss
>

3.7.2 Setting Up the HDLM Functions

The recommended and default values for each HDLM function is shown below in

Table 3-14: The Recommended and Default Values for Each Function.

Table 3-14: The Recommended and Default Values for Each Function

Function

Default value

Recommended value

Load-balancing

on
The Extended Least I/Os algorithm is
used.

on
The recommended algorithm depends
on the operating environment.

Path health checking

on
30-minute check interval

on
The recommended checking interval

depends on the operating

environment.

Automatic failback

on
1-minute check interval

The recommended checking interval

depends on the operating

environment.

Intermittent Error Monitor

off

off

Remove LU

off

off

Logging level

3: Collects all the error information for
the "Information" level or higher

3: Collects all the error information for
the "Information" level or higher

Trace level

0: Do not output trace files

0: Do not output trace files

File size for the Error log

9900 (KB)

9900 (KB)

Number of files for the Error

logs

2

2

File size for trace information

1000 (KB)

1000 (KB)

Number of files for trace

information

4

4

Collection of audit log data

off

Set

on

, if you want to collect audit log

data.