Setting Up The Hdlm Functions; Setting Up Load Balancing - Hitachi XP P9500 User Manual

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
Load-balancing
Path health checking
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

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
Function
on
The Extended Least I/Os
algorithm is used.
on
30-minute check interval
on
1-minute check interval
off
off
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
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Windows(R))
Default value Recommended value
on
The recommended algorithm
depends on the operating
environment.
on
The recommended checking
interval depends on the
operating environment.
The recommended checking
interval depends on the
operating environment.
off
off
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.