Hitachi Dynamic Link Manager Software Users Guide for AIX

If the value is not of an allowable type, an error will occur.
For details about the functions set by these keys, see dlmodmset Utility
for Setting the HDLM Execution Environment ODM on page 7-22.
[ENVIRONMENT_SETTINGS] section
This section defines information that is used when the set operation of the
HDLM command is executed. This section is optional. If this section name is
omitted, or if any of the keys in the section are not defined, setup by means
of the set operation of the HDLM command will not be executed.
For details on the set operation, see
set (Sets Up the Operating
Environment) on page 6-18.
The following table lists and describes the keys defined in the
[ENVIRONMENT_SETTINGS] section.
Table 7-8 Keys in the [ENVIRONMENT_SETTINGS] Section
Key name
#1
Description
#2
Necessity of
definition
Maxim
um
numbe
r of
charac
ters
New
installa
tion
Upgrad
e
installa
tion or
re-
installa
tion
load_balance
Specify one of the following values
to indicate whether to enable or
disable the load balancing function:
on: Enabled (default)
off: Disabled
Optional Optional 3
load_balance_type
Specify one of the following values
to indicate the load balancing
algorithm:
rr: The Round Robin algorithm
exrr: The Extended Round Robin
algorithm
lio: The Least I/Os algorithm
exlio: The Extended Least I/Os
algorithm (default)
lbk: The Least Blocks algorithm
exlbk: The Extended Least Blocks
algorithm
Optional Optional 5
load_balance_same_
path_use_times
Specify the number of times the
same path can be used for I/O
operations when the Round Robin
Optional Optional 6
7-38
Utility Reference
Hitachi Dynamic Link Manager (for AIX) User Guide