Hitachi Vantara HCE-3700 Exam Questions Instant Access

Question 1

In a database environment, the system administrator complains that high write response times are triggering frequent automated alerts. However, utilization for processor, paths, and array groups is low. Database users are not complaining. What causing this problem?

AThe RAID level is inappropriate.

BThe storage system has too few processors.

CThe storage media devices are too slow.

DAsynchronous destaging of writes occurs in bursts.
References:
https://community.hitachivantara.com/thread/2557

Answer : D

Question 2

A VSP G1000 performance analysis shows that server response times for virtualized volumes are high, 100 ms and higher, but HDD utilization rates in an external HUS 150 never exceed 35%. There are no processor or path constraints in the configuration. The workload is steady and stable. Which two actions will optimize this configuration? (Choose two.)

AIncrease the external path LUN queue depth in the VSP G1000.

BSpread the server load across more and smaller LUNS per RAID group in the HUS.

CBreak up each HUS LUN into several smaller volumes in the VSP G1000.

DMigrate the HUS LUNs to RAID groups with faster HDDs.
References:
https://manualzz.com/doc/13486869/optimize-hitachi-storage-and-server-platforms-in-vmware-v...

Answer : A, B

Question 3

DP-Vol LUNs are taken from an HDP pool deployed with 128 disks (16x4D+4D RAID groups). Access is random read.

Which combination of FC paths, LUN Queue Depth, and number of DP-Vols will result in a per-disk queue of 4 within this pool?

A2 paths, a LUN Queue Depth of 16, and 32 DP-Vols

B2 paths, a LUN Queue Depth of 8, and 32 DP-Vols

C4 paths, a LUN Queue Depth of 8, and 32 DP-Vols

D4 paths, a LUN Queue Depth of 16, and 32 DP-Vols

Answer : D

Question 4

For which two purposes is the SVP Performance Monitor suitable? (Choose two.)

AReporting by device owner

BAnnual trend analysis

CReal time observations

DA reference for verifying the accuracy of other performance tools

Answer : B, C

Question 5

A customer has a VSP G800 storage system with an HDT pool with internal SAS drives and a virtualized thirdparty array using SATA RAID 6. The virtualized array is connected to the VSP G800 using four 8 Gbps FC paths. The customer reports performance problems on an OLTP application deployed on a virtualized server using the HDT pool.

What are two reasons for this problem? (Choose two.)

AThe workload includes significant random writes to SATA over RAID 6.

BThe tier relocation is not assisting the OLTP application.

CThe size of Tier 1 is not sufficient to accumulate all of the hot pages.

DThe speed of the FC links is insufficient.

Answer : A, D

Question 6

Which two environments are suitable for cost effective use of Hitachi Accelerated Flash disk media? (Choose two.)

AOnline Analytical Processing (OLAP) data warehouse

BOnline Transaction Processing (OLTP) with HDT

Clarge scale Consumer Video on Demand (CVOD)

DVirtual Desktop (VDI)

Answer : A, B

Question 7

A user with a diskless VSP G800 uses ShadowImage from the G800 with a virtualized VSP G200 system.

Application performance suffers during the frequent ShadowImage resynchronization operations.

What should be done to reduce the impact of the ShadowImage throughput in this scenario?

AConfigure both sets of disks into an HDT pool and let the HDT scheme manage the different workloads.

BDefine the ShadowImage target volumes to use dedicated external FC paths using dedicated RAID
groups.

CSet Copy to 15.

DIncrease the VSP G800 cache size to improve the application cache hit rates.

Answer : A

Hitachi Vantara Certified Expert - Performance Architect HCE-3700 Exam Questions