HAT-680 HITACHI DATA SYSTEMS QUALIFIED PROFESSIONAL – STORAGE ADMINISTRATION

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Showing 4–6 of 10 questions

Question 4

A VSP customer wants to optimize their multi-pathing environment and improve I/O performance. Which two Hitachi Dynamic Link Manager (HDLM) features will assist this customer? (Choose two.)

Select all that apply, then click Submit answer.

  • HDLM spreads I/O workloads across available paths to ensure that no single path becomes overworked or under-utilized.

  • The HDLM server monitors the client hosts' multi-pathing agents and redistributes I/Os so no single path becomes overworked or under-utilized.

  • HDLM provides multiple load-balancing algorithms to balance I/Os across available paths.

  • HDLM analyzes I/O profiles and determines the most appropriate buffering policy.

Question 5

A manufacturing company wants to centrally manage all their multi-pathing software using Hitachi Global Link Manager (HGLM). Which two types of multi-pathing software are supported? (Choose two.)

Select all that apply, then click Submit answer.

  • HDLM

  • HP-UX Multipathing

  • PowerPath

  • SDD

Question 6

A storage administrator has been asked to use Hitachi Device Manager (HDvM) to provide information about storage utilization by hosts for an urgent meeting. When the report is created, several hosts have no utilization data associated with them. What is the reason for the missing data?

Select an option, then click Submit answer.

  • The hosts do not have the HDvM agent installed.

  • The hosts have not been refreshed.

  • The storage system has not been refreshed.

  • The storage system polling is not synchronized with the report creation.