Setting Up Load Balancing - Hitachi XP P9500 User Manual

Automatic failback
Intermittent Error
Monitor
Remove LU
Logging level
Trace level
File size for the Error
log
Number of files for the
Error logs
File size for trace
information
Number of files for trace
information
Collection of audit log
data
Audit log facility

Setting Up Load Balancing

You can select whether to enable load balancing.
The following is an example command to set load-balancing.
# /usr/DynamicLinkManager/bin/dlnkmgr set -lb on -lbtype exlio
Set it to on to enable load balancing. Otherwise, set it to off. When you set
on, specify one of the following algorithm values after the -lbtype option:
• rr for the Round Robin algorithm
• exrr for the Extended Round Robin algorithm
• lio for the Least I/Os algorithm
• exlio for the Extended Least I/Os algorithm
• lbk for the Least Blocks. algorithm
• exlbk for the Extended Least Blocks algorithm
The type of algorithm specified by the -lbtype parameter remains stored in
the system, even if, you disable the load balancing function by specifying -lb
off. If you decide to re-enable load balancing at a later time, and you do not
3-70
Function
on
60-minute check interval
off
(Not specifiable)
3: Collects all the error
information for the
"Information" level or higher
0: Do not output trace files
9900 (KB)
2
1000 (KB)
4
off
user
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for AIX(R))
Default value Recommended value
The recommended checking
interval depends on the
operating environment.
on
The recommended checking
interval depends on the
operating environment.
(Not specifiable)
3: Collects all the error
information for the
"Information" level or higher
0: Do not output trace files
9900 (KB)
2
1000 (KB)
4
Set on, if you want to collect
audit log data.
local0 to local7