nerdexam
Dell-EMC

E20-880 · Question #130

A customer creates a multi-tiered pool with the following configuration: - Five 200 GB FAST VP optimized Flash drives configured as 4+1 RAID 5 - Five 600 GB 15 krpm SAS drives configured as 4+1 RAID…

The correct answer is A. 3,337 writes/s and 6,673 reads/s. See the full explanation below for the reasoning.

Question

A customer creates a multi-tiered pool with the following configuration:

  • Five 200 GB FAST VP optimized Flash drives configured as 4+1 RAID 5
  • Five 600 GB 15 krpm SAS drives configured as 4+1 RAID 5
  • Twenty-four 2 TB NL-SAS drives configured as 6+2 RAID 6

The customer's workload consists of 8 kB random I/Os with a R/W ratio of 2:1. How many host IOPs can the pool support?

Options

  • A3,337 writes/s and 6,673 reads/s
  • B28,060 IOPs
  • C20,560 IOPs
  • D3,697 writes/s and 7,393 reads/s

How the community answered

(20 responses)
  • A
    80% (16)
  • B
    10% (2)
  • C
    5% (1)
  • D
    5% (1)

Community Discussion

No community discussion yet for this question.

Full E20-880 Practice