Exam 2V0-13.24 topic 1 question 1 discussion

Actual exam question from VMware's 2V0-13.24

Question #: 1
Topic #: 1

A customer has a database cluster running in a VCF cluster with the following characteristics:
40/60 Read/Write ratio

High IOPS requirement -
No contention on an all-flash OSA vSAN cluster in a VI Workload Domain
Which two vSAN configuration options should be configured for best performance? (Choose two.)

A. RAID 1
B. Deduplication and Compression enabled
C. RAID 5
D. Flash Read cache reservation
E. Deduplication and Compression disabled

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Suggested Answer: AE 🗳️

by Cenobite9 at April 30, 2025, 5:02 p.m.

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boroba

3 weeks, 4 days ago

Selected Answer: AE

A. RAID 1 ✔️ Offre les meilleures performances en lecture et en écriture ✔️ Utilise mirroring, donc très rapide mais consomme plus d’espace ✔️ Recommandé pour bases de données critiques à fort IOPS E. Deduplication and Compression disabled ✔️ Déduplication/Compression ajoute une surcharge CPU/latence, surtout en écriture ✔️ Avec une charge d’écriture à 60 %, il est préférable de désactiver pour éviter ce coût ✔️ Cela améliore la latence d’écriture et la prédictibilité des performances

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Cenobite9

2 months ago

Selected Answer: AE

A. RAID-1 delivers the lowest write latency and highest throughput—there’s no parity computation penalty as with RAID-5/6, and reads can be serviced from either mirror copy. E. Although dedupe/compression save capacity, they introduce CPU and I/O overhead during the destaging process, which reduces effective write cache destage throughput. For a write-heavy, high-IOPS database, disabling these features maximizes performance.

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