Dell-EMC
E20-880 · Question #218
E20-880 Question #218: Real Exam Question with Answer & Explanation
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Question
A customer has deployed a new application on a host using VNX storage. The new application I/O size is 512 KiB, has a 50/50 read-write ratio, and its write behavior is sequential and bursty. All other host applications are characterized by 4 KiB I/O random writes. The customer has noticed degraded overall VNX performance during write bursts, which is caused by the new application. Your analysis reveals a high rate of forced flushing, as well as significant CMI congestion. What can you recommend to improve overall VNX performance?
Options
- ADecrease the write-aside value
- BDisable write back cache
- CIncrease the read cache area
- DEnable mirror cache
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