HP Hitachi Dynamic Link Manager Software - Manual (Page 212)

3. Creating an HDLM Environment
190
Table 3-24: The default and recommended values for each function
(1) Setting Up Load Balancing
You can select whether to enable the load-balancing function.
The following is an example command to set load-balancing:
# /opt/DynamicLinkManager/bin/dlnkmgr set -lb on -lbtype exlio
When load balancing is enabled by specifying
on
for the
-lb
parameter, specify one
of the following algorithm values after the
-lbtype
parameter:
•
rr
for the Round Robin algorithm
Function Default value Recommended value
Load-balancing
on
The Extended Least I/Os algorithm is
used.
on
The recommended algorithm depends
on the operating environment.
Path health checking
on
30-minute check interval
on
The recommended checking interval
depends on the operating
environment.
Automatic failback
on
1-minute check interval
The recommended checking interval
depends on the operating
environment.
Intermittent Error Monitor
off off
Logging level 3: Collects all the error information for
the "Information" level or higher
3
: Collects all the error information for
the "Information" level or higher
Trace level 0: Do not output trace files 0: Do not output trace files
File size for the Error log
9900
(kilobytes)
9900
(kilobytes)
Number of files for the Error
logs
2 2
File size for trace information
1000
(kilobytes)
1000
(kilobytes)
Number of files for trace
information
4 4
Collection of audit log data
off
Set
on
, if you want to collect audit log
data.
Audit log facility
user local0
to
local7