HP XP7 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.............................................................................................................. xvi
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...............................................................2-5
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 (for Windows®) User Guide