Hitachi Vantara Certified Expert - Performance architect: HCE-3700

Which three functions are performed by a VSP G1000 Virtual Storage Director (VSD)? (Choose three.)

A. It executes host I/O requests.

B. It calculates parity.

C. It manages cache segment usage.

D. It moves data to/from cache.

E. It executes software such as HDP or copy products.

On a VSP G1000, the maximum I/O Request Limit for an external initiator port has been exceeded. What are two consequences of this activity? (Choose two.)

A. New writes will back up into the VSP G1000 cache.

B. The host will see rapidly rising response times per request.

C. The host will see a minor change in response times.

D. The host will not be able to process new I/O requests.

Immediately after migrating to a new HDT pool, Hitachi Tuning Manager shows that Tier 1 SSD, Tier 2 SAS, and Tier 3 NL-SAS are not busy for performance but Tier 1 and Tier 2 are over utilized for capacity.

From this analysis, which action should be performed?

A. Re-asses after HDT performs page migration cycles.

B. Add more drives to Tier 1.

C. Add more drives to Tier 1 and Tier 2.

D. Remove the SSD tier.