HP XP7 Storage - Manual (Page 3)

Contents
Preface.................................................................................................. ix
Intended audience..................................................................................................... x
Product version..........................................................................................................x
Release notes............................................................................................................ x
Document revision level..............................................................................................x
Document organization...............................................................................................x
Related documents....................................................................................................xi
Document conventions.............................................................................................. xi
Conventions for storage capacity values.....................................................................xii
Accessing product documentation............................................................................. xiii
Getting help............................................................................................................ xiii
Comments...............................................................................................................xiii
1 Overview of HDLM................................................................................1-1
What is HDLM?.......................................................................................................1-2
HDLM Features.......................................................................................................1-2
2 HDLM Functions................................................................................... 2-1
Devices Managed by HDLM......................................................................................2-2
System Configuration.............................................................................................. 2-2
System Configuration Using an FC-SAN.............................................................. 2-2
System Configuration Using an IP-SAN...............................................................2-3
LU Configuration.....................................................................................................2-6
Program Configuration............................................................................................ 2-6
HDLM driver and NMP positions............................................................................... 2-8
Distributing a Load Using Load Balancing..................................................................2-8
Paths to Which Load Balancing Is Applied.........................................................2-10
When Using the Hitachi AMS/WMS Series................................................2-10
When Using the Universal Storage Platform V/VM Series, Virtual Storage
Platform Series, VSP G1000 Series, Hitachi AMS2000 Series, Hitachi SMS
Series, HUS100 Series, or HUS VM..........................................................2-11
Load Balancing Algorithms...............................................................................2-12
Performing Failovers and Failbacks Using Path Switching......................................... 2-13
Automatic Path Switching................................................................................ 2-13
Automatic Failovers............................................................................... 2-13
iii
Hitachi Dynamic Link Manager (for VMware®) User Guide