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Vendor: Hitachi
Exam Code: HCE-3700
Exam Name: Hitachi Vantara Certified Expert - Performance architect
Certification: Architect-Expert
Total Questions: 60 Q&A
Updated on: Nov 12, 2024
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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.
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?
A. Configure both sets of disks into an HDT pool and let the HDT scheme manage the different workloads.
B. Define the ShadowImage target volumes to use dedicated external FC paths using dedicated RAID groups.
C. Set Copy to 15.
D. Increase the VSP G800 cache size to improve the application cache hit rates.
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?
A. The RAID level is inappropriate.
B. The storage system has too few processors.
C. The storage media devices are too slow.
D. Asynchronous destaging of writes occurs in bursts.
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