HP Hitachi Dynamic Link Manager Software - Manual (Page 35)

2. HDLM Functions
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Table 2-3: Functionality of HDLM Programs
Program name Functions
HDLM command Provides the
dlnkmgr
command, which enables you to:
• Manage paths
• Display error information
• Set up the HDLM operating environment
HDLM utility Provides the HDLM utility, which enables you to:
• Collect error information
• Change the default value of the hdisk attribute
• Migration of HDLM
• Clear HDLM persistent reservation
• Exclude the hdisk recognized as a boot disk from being an HDLM
management target
• Set ODM to define HDLM operations
• Delete hdisks according to the parameter settings
• Install HDLM
• The unattended installation of HDLM
• Install Hitachi Command Suite Common Agent Component
• Collect information about errors that occur during HDLM installation
• Perform maintenance when HDLM-managed devices are restored
HDLM manager Provides the HDLM manager, which enables you to:
• Configures the HDLM operating environment
• Request path health checks and automatic failbacks to be performed
• Collects error log data
HDLM alert driver Reports the log information collected by the HDLM driver to the HDLM
manager. The driver name is
dlmadrv
.
HDLM driver Controls HDLM functionality, manages paths, and detects errors. This is
an add-in module of the AIX MPIO driver. The HDLM driver consists of
the following:
• Core logic component
Controls the basic functionality of HDLM.
• Filter component
Sends and receives I/O data.
HDLM configuration log driver Acquires operation logs of the configuration processing for the HDLM
driver.