Dell-EMC
DEA-1TT5 · Question #254
A host sends one write /O to the RAID 1 array. How many writes does it take for the array to store the data?
The correct answer is C. Two write I/Os. A RAID 1 set consists of two disk drives and every write is written to both disks.
Storage Systems
Question
A host sends one write /O to the RAID 1 array. How many writes does it take for the array to store the data?
Options
- ASix write 1/Os
- BFour write I/Os
- CTwo write I/Os
- DOne write I/Os
How the community answered
(57 responses)- A16% (9)
- B5% (3)
- C75% (43)
- D4% (2)
Explanation
A RAID 1 set consists of two disk drives and every write is written to both disks.
Topics
#RAID 1#mirroring#write I/O#storage redundancy
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