HP Hitachi Dynamic Link Manager Software - Manual (Page 136)

Setting Up the HDLM Functions
The recommended and default values for each HDLM function is shown below
in Table 3-14 The Recommended and Default Values for Each Function on
page 3-70 .
Table 3-14 The Recommended and Default Values for Each Function
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
Remove LU 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 (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.
Setting Up Load Balancing
In a cluster environment, the load balancing function is only available for the
Thunder 9500V series, Lightning 9900 series, Lightning 9900V series, Hitachi
USP, Hitachi AMS2000/AMS/WMS/SMS series, Universal Storage Platform V/
VM, and Virtual Storage Platform. In a non-cluster environment, the load
balancing function is available for the Thunder 9500V series, Lightning 9900
series, Lightning 9900V series, Hitachi USP, Hitachi AMS2000/AMS/WMS/SMS
series, Universal Storage Platform V/VM, Virtual Storage Platform, and EMC
DMX series. For the EMC DMX series, EMC CX series, and HP EVA series,
3-70
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Windows(R))