HP Hitachi Dynamic Link Manager Software - Manual (Page 638)

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
XP
5.6.2 or later SVS