An administrator wants to install Hitachi Dynamic Link Manager (HDLM) on a Solaris server. Which two are required before performing the installation? (Choose two.)

Question

Options

• AThe server must have IPv6 disabled.
• BA valid HDLM license must be obtained.
• CThe server must be in a dual path configuration.
• DThe processes of all applications accessing the devices to be managed by HDLM must be

Explanation

Options B and D are correct prerequisites for HDLM installation.

B is correct because HDLM is licensed enterprise software - Hitachi requires a valid license key to be obtained prior to installation. Without it, the software cannot be activated or will operate in a restricted/evaluation state.

D is correct (the choice is cut off, but it completes as: "...must be stopped"). Before HDLM takes control of storage paths, all application I/O to those devices must cease. Installing path management software while applications are actively writing to devices risks data corruption or I/O errors.

Why the distractors are wrong:

• A (IPv6 disabled): HDLM has no requirement to disable IPv6; this is a fabricated prerequisite unrelated to path management.
• C (dual path configuration): HDLM creates the multipath environment - you don't need dual paths pre-configured before installing it. Single-path systems can have HDLM installed in preparation for future path additions.

Memory tip: Think of HDLM installation like changing a tire - you need permission (license) to use the equipment, and you must stop the car (halt application I/O) before swapping anything out. Never change a tire while the car is moving.

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