A server has four drive bays, each containing a 1TB SSD in a RAID 6 array. Which of the following is the amount of usable storage in the array?

The correct answer is B. 2TB. RAID 6 uses two drives' worth of capacity for parity. With four 1TB SSDs, the usable storage is 2TB (4TB total minus 2TB for parity).

Server hardware installation and management

Question

Options

A1TB
B2TB
C3TB
D4TB

How the community answered

(32 responses)

A
9% (3)
B
72% (23)
C
16% (5)
D
3% (1)

Explanation

RAID 6 uses two drives' worth of capacity for parity. With four 1TB SSDs, the usable storage is 2TB (4TB total minus 2TB for parity).

Topics

#RAID 6#Usable storage#Storage arrays#Server storage

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