Dell-EMC
D-ISM-FN-01 · Question #368
A host sends one write I/O to the RAID 1 array. How many writes does it take for the array to store the data?
The correct answer is A. Two write I/Os. See the full explanation below for the reasoning.
Data Storage Technologies
Question
A host sends one write I/O to the RAID 1 array. How many writes does it take for the array to store the data?
Options
- ATwo write I/Os
- BOne write I/Os
- CSix write I/Os
- DFour write I/Os
How the community answered
(36 responses)- A75% (27)
- B6% (2)
- C3% (1)
- D17% (6)
Topics
#RAID 1#mirroring#write I/O#write penalty
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