HAT-680 · Question #81
You want to add a VSP which has an externally connected HUS110 into your Hitachi Device Manager (HDvM) environment. What is required to prepare the environment for storage virtualization?
The correct answer is C. Both storage systems must be added to Hitachi Device Manager. Both the VSP and the HUS110 must be added to HDvM because storage virtualization creates a dependency relationship between two distinct systems - HDvM must have full visibility into both the virtualizing system (VSP) and the externally virtualized system (HUS110) to manage…
Question
You want to add a VSP which has an externally connected HUS110 into your Hitachi Device Manager (HDvM) environment. What is required to prepare the environment for storage virtualization?
Options
- AOnly the VSP must be added to Hitachi Device Manager.
- BOnly the HUS must be added to Hitachi Device Manager.
- CBoth storage systems must be added to Hitachi Device Manager.
- DAt least one of the storage systems must be added to Hitachi Device Manager.
How the community answered
(51 responses)- A4% (2)
- B2% (1)
- C92% (47)
- D2% (1)
Explanation
Both the VSP and the HUS110 must be added to HDvM because storage virtualization creates a dependency relationship between two distinct systems - HDvM must have full visibility into both the virtualizing system (VSP) and the externally virtualized system (HUS110) to manage capacity, performance, and provisioning correctly.
Why the distractors fail:
- A is wrong because adding only the VSP leaves HDvM blind to the physical storage on the HUS110, so it cannot properly manage or report on virtualized volumes.
- B is wrong because adding only the HUS110 means HDvM has no awareness of the VSP that is actually presenting and controlling that storage to hosts.
- D is wrong because "at least one" implies either system alone is sufficient - it is not; both are required for a functional virtualization management environment.
Memory tip: Think of HDvM as a referee overseeing a partnership - it needs both players on the roster. If either the "front-end" virtualizer (VSP) or the "back-end" external storage (HUS) is unregistered, the referee can't see the full game.
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