Hitachi Dynamic Link Manager, User Manual, Page: 296 / 746

3. Creating an HDLM Environment
272
Table 3-57: The Recommended and Default Values of Each Function
(1) Setting Up Load Balancing
You can select whether to enable load balancing.
The following is an example of using a command to set load balancing.
# /opt/DynamicLinkManager/bin/dlnkmgr set -lb on -lbtype exlio
To enable load balancing, specify on. Specify
off
otherwise. When you set
on
, specify
one of the following algorithm values after the
-lbtype
option:
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
Reservation level (Not specifiable) (Not specifiable)
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
(KB)
9900
(KB)
Number of files for the Error
logs
2 2
File size for trace information
1000
(KB)
1000
(KB)
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