Hp Hitachi Dynamic Link Manager Software Uživatelský manuál stáhnout pdf (Strana 638)

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B. Functional Differences Between Versions of HDLM

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B. Functional Differences Between Versions of HDLM

This section explains the functional differences between newer and older versions of

HDLM.

B.1 Functional Differences Between Version 6.1 or Later and

Versions Earlier Than 6.1

In a new installation of HDLM, the default load balancing algorithm has been changed

from the Round Robin algorithm to the Extended Least I/Os algorithm.

B.2 Functional Differences Between Version 6.0 or Later and

Versions Earlier Than 6.0

• The format of the displayed HDLM version has been changed when HDLM

commands or utilities are executed.

• In a new installation of HDLM, the default value for the automatic failback

function has been changed from

off to on.

B.3 Precautions on Differences in Functionality Between HDLM

5.6.1 or Earlier and HDLM 5.6.2 or Later

For HDLM version 5.6.1 or earlier and version 5.6.2 or later, when one of the

following commands is executed for LDEV created on SVS, the output LDEV display

names will be different.

Table B-1: Differences in LDEV Display Names Between Versions shows the

commands that output different LDEV display names and the actual output display

names.

Table B-1: Differences in LDEV Display Names Between Versions

HDLM version Operations of the dlnkmgr

command

Output LDEV display name

5.6.1 or earlier •

dlnkmgr view -path

• dlnkmgr view -drv

• dlnkmgr view -lu

5.6.2 or later SVS

1 2 ... 633 634 635 636 637 638 639 640 641 642 643 ... 651 652

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