HP0-J67 · Question #22

HP0-J67 Question #22: Real Exam Question with Answer & Explanation

The correct answer is A. Capacity is available to existing or new volumes D. Performance is available to existing or new volumes. When new disk drives are added to an HP 3PAR StoreServ system, both the total storage capacity and the overall system performance are increased. These benefits accrue to both existing volumes (allowing for growth and improved I/O) and any newly created volumes.

Architecting HP Storage Solutions for Multi-site Environments

Question

After proposing an HP 3PAR SToreServ 7000 Storage System solution, a customer asks about the benefits of future disk drive expansion. What are the primary performance and capacity differentiators for existing or new volumes when adding disk drives? (Select two)

Options

ACapacity is available to existing or new volumes
BPerformance is available only to new volumes
CPerformance is available only to existing volumes
DPerformance is available to existing or new volumes
ECapacity is available only to existing volumes
FCapacity is available only to new volumes

Explanation

When new disk drives are added to an HP 3PAR StoreServ system, both the total storage capacity and the overall system performance are increased. These benefits accrue to both existing volumes (allowing for growth and improved I/O) and any newly created volumes.

Common mistakes.

B. Due to HP 3PAR's wide striping technology, performance benefits from newly added drives are integrated across the entire array, meaning existing volumes also gain improved performance, not just new ones.
C. Performance improvements from adding new drives are available to both existing and new volumes because the 3PAR system leverages all available resources, including new drives, for data distribution and I/O processing.
E. Adding disk drives increases the overall storage pool, which provides capacity for both the expansion of existing volumes and the creation of new volumes, not solely existing ones.
F. New drives contribute to the total available storage, offering capacity for existing volumes to expand into as needed, in addition to providing space for new volumes.

Concept tested. HP 3PAR wide striping and dynamic capacity/performance expansion

Reference. https://www.hpe.com/h20195/v2/getpdf.aspx/4aa4-2834enw.pdf

Topics

#HP 3PAR StoreServ#storage expansion#performance scalability#capacity scalability

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