HP0-J67 Question #126: Real Exam Question with Answer & Explanation

Question

Exhibit

Options

• AThe Virtual Tape Libraries are spread across both Fibre Channel ports and offer load balancing across
• BThe medium changer and drives are connected redundantly to the Fibre Channel ports of the system and
• CThe drives are presented through both Fibre Channel ports of the HP StoreOnce Backup System.
• DThe medium changer is connected redundantly, and the drives, by default, are connected 50% to each port.

Explanation

High availability for Virtual Library 2 is achieved by redundantly connecting its medium changer to both Fibre Channel ports and distributing the virtual drives evenly across these same ports.

Common mistakes.

• A. This statement is too general; while VTL components may be spread for load balancing, it doesn't specifically detail the redundant cabling for critical components like the medium changer and the distribution of drives.
• B. While redundancy is present, stating that drives are 'connected redundantly' isn't precise; drives are typically assigned to ports, and paths to them are redundant. The specific detail of 50% distribution is missing.
• C. This option only addresses the drives and omits the crucial redundant connection of the medium changer, which is essential for the overall high availability of a Virtual Tape Library.

Concept tested. Fibre Channel VTL high availability cabling

Reference. https://hpe.com/psnow/doc/c02606132.pdf

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