Which three RAID levels are not recommended when configuring storage pool for OLTP(random) workload and why?

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answerhappygod
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Which three RAID levels are not recommended when configuring storage pool for OLTP(random) workload and why?

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Which three RAID levels are not recommended when configuring storage pool for OLTP(random) workload and why?

A. RAID0; good performance but no redundancy
B. RAIDZ2; not very good performance due to low IOPS
C. RAID1; great availability but costly
D. RAIDZ3; bad performance due to lowest IOPS among RAID level
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