HP
HP0-J67 · Question #103
You are sizing a solution based on performance requirements. How do you calculate the number of front-end I/ Os versus back-end I/O when doing single writes? (Select three.)
The correct answer is B. On RAID 5, a single front-end I/O results in 4 back-end I/Os E. On RAID 6, a single front-end I/O results in 6 back-end l/Os F. On RAID 1, a single front-end I/O results in 2 back-end I/Os. RAID level Backend Write IOPS per incoming write request
Architecting HP Storage Solutions for Multi-site Environments
Question
You are sizing a solution based on performance requirements. How do you calculate the number of front-end I/ Os versus back-end I/O when doing single writes? (Select three.)
Options
- AOn RAID 1, a single front-end I/0 results in 1 back-end I/O
- BOn RAID 5, a single front-end I/O results in 4 back-end I/Os
- COn RAID 5, a singIe front-end I/0 results in 3 back-end I/Os
- DOn RAID 6, a single front-end I/O results in 4 back-end I/Os
- EOn RAID 6, a single front-end I/O results in 6 back-end l/Os
- FOn RAID 1, a single front-end I/O results in 2 back-end I/Os
How the community answered
(28 responses)- A7% (2)
- B75% (21)
- C14% (4)
- D4% (1)
Explanation
RAID level Backend Write IOPS per incoming write request
Topics
#RAID levels#I/O performance#storage sizing#write I/O amplification
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