HiCommand Dynamic Link Manager (HDLM) for Windows Systems User's Guide (HIT5201-96001, January 2008)

HiCommand
®
Dynamic Link Manager (HDLM) for Windows
®
Systems User’s Guide 9
Chapter 2 HDLM Functions
This chapter describes HDLM functionality including HDLM management targets, system
configuration, basic terms and functionality including load distribution across paths and path
switching. HDLM functionality is discussed in the following sections:
 Devices managed by HDLM (see section 2.1)
 System configuration (see section 2.2)
 LU configuration (see section 2.3)
 Program configuration (see section 2.4)
 HDLM and MPIO driver position (see section 2.5)
 Load distribution using load balancing (see section 2.6)
 Failover and failback using path switching (see section 2.7)
 Monitoring intermittent errors (see section 2.8)
 Detecting errors by using path health checking (see section 2.9)
 Dynamic reconfiguration (see section 2.10)
 Error management (see section 2.11)
 Cluster support (see section 2.12)