HP Hitachi Dynamic Link Manager Software - Manual (Page 506)

When you perform a new installation of HDLM, or when you perform an
upgrade installation while the license is expired, prepare the license key
or the license key file.
[ENVIRONMENT_SETTINGS] section
This section defines HDLM operation information. If this section is omitted,
the installer will use the following values:
• For a new installation, the installer uses the default values of the keys
that are listed in the following Table 7-12 Keys in the
[ENVIRONMENT_SETTINGS] Section on page 7-46 .
• For an upgrade installation or re-installation, the installer uses the old
HDLM setting values.
The following table lists and describes the keys defined in the
[ENVIRONMENT_SETTINGS] section.
Table 7-12 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
Optional Optional 6
7-46
Utility Reference
Hitachi Dynamic Link Manager User Guide for Linux ®