HP XP P9500 Storage - Manual (Page 3)

Contents
Preface..................................................................................................xi
Intended audience....................................................................................................xii
Product version........................................................................................................xii
Release notes...........................................................................................................xii
Document revision level............................................................................................xii
Document organization............................................................................................xiii
Related documents..................................................................................................xiii
Document conventions.............................................................................................xiv
Conventions for storage capacity values....................................................................xiv
Accessing product documentation..............................................................................xv
Getting help.............................................................................................................xv
Comments...............................................................................................................xv
1 Overview of HDLM................................................................................1-1
What is HDLM?.......................................................................................................1-2
HDLM Features.......................................................................................................1-2
2 HDLM Functions...................................................................................2-1
Devices Managed by HDLM......................................................................................2-3
System Configuration..............................................................................................2-3
System Configuration Using an FC-SAN..............................................................2-3
System Configuration Using an IP-SAN...............................................................2-4
Setting Range of the iSCSI Software and iSCSI HBA...................................2-7
Storage systems Supported by HDLM.......................................................2-7
LU Configuration.....................................................................................................2-7
Program Configuration............................................................................................2-9
Driver Levels of the HDLM and MPIO Drivers...........................................................2-10
Distributing a Load Using Load Balancing................................................................2-11
Paths to Which Load Balancing Is Applied.........................................................2-13
When Using the Thunder 9500V Series, or Hitachi AMS/WMS Series..........2-13
When Using Other Than the Thunder 9500V Series and Hitachi AMS/WMS
Series...................................................................................................2-14
Load Balancing Algorithms...............................................................................2-15
Performing Failovers and Failbacks Using Path Switching.........................................2-17
Automatic Path Switching................................................................................2-17
iii
Hitachi Dynamic Link Manager User Guide for Windows ®