HP Hitachi Dynamic Link Manager Software - Manual (Page 727)

C. Functional Differences Between Versions of HDLM
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C. Functional Differences Between Versions of HDLM
This section explains the functional differences between newer and older versions of
HDLM.
C.1 Functional Differences Between Version 6.2.1 and Versions
Earlier Than 6.2.1
„ The output destination of the HDLM command operation log data has been
changed from Hitachi Network Objectplaza Trace Library (HNTRLib2)
integrated trace information files (
/var/opt/hitachi/HNTRLib2/spool/
hntr2
n
.log
#
) to process-specific-trace (traces for multiple processes)
information files (
/var/opt/DynamicLinkManager/log/dlnkmgr
n
.log
#
).
# n indicates a file number.
C.2 Functional Differences Between Version 6.1 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.
C.3 Functional Differences Between Version 6.0 or Later and
Versions Earlier Than 6.0
„ The description of the HDLM version displayed as a result of executing HDLM
commands or utilities has been changed.
„ In versions earlier than 6.0, the messages KAPL09210-I, KAPL09211-I, and
KAPL09212-E will not be output when you install HDLM. In versions 6.0 or
later, one of the above messages will be output when you install HDLM.
„ In a new installation of HDLM, the default value for the automatic failback
function has been changed from
off
to
on
.
C.4 Functional Differences Between Version 5.9.4 or Later and
Versions Earlier Than 5.9.4
„ The maximum number of LUs for one port for one storage that was guaranteed in
HDLM for each storage system is now guaranteed for each OS.
„ The maximum number of LUs guaranteed in HDLM has been changed to 512.
Therefore, the naming rules for HDLM logical device files have also been
changed.
„ The maximum size of a log file that is obtained during execution of the
HDLM-configuration definition utility (
dlmcfgmgr
) can now be specified by