Setting up the hdlm functions, Setting up the hdlm functions -72, Setting up the hdlm – HP XP7 Storage User Manual

Page 140

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KAPL01001-I The HDLM command completed normally. Operation name =

view, completion time = yyyy/mm/dd hh:mm:ss

PROMPT>

Setting Up the HDLM Functions

The table below summarizes the functions that can be set in HDLM. For

details about each function, see

Setting Up Load Balancing on page 3-73

and subsequent sections.

Each function has a default value and a recommended value. If the Options

window of the HDLM GUI or no function is set by the HDLM command's set

operation, the default value is applied for each function. The recommended

values are used as the guideline values when functions are configured.

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

Dynamic I/O Path
Control

#

off
10-minute check interval

off
The recommended checking

interval depends on the

operating environment.

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

3-72

Creating an HDLM Environment

Hitachi Dynamic Link Manager (for Windows®) User Guide

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