You want to combine four 1TB hard drives into a single array with at least 2TB of storage. Which of the below configurations gives you the best balance of performance and redundancy?

You want to combine four 1TB hard drives into a single array with at least 2TB of storage. Which of the below configurations gives you the best balance of performance and redundancy?

• RAID 6
• RAID 10
• JBOD
• RAID 5 

EXPLANATION

All of the above possible configurations provide the minimum storage requirement. Some configurations provide more storage than others, but this is not a requirement.
JBOD offers no redundancy or performance gains, but provides the most storage space of the options provided.
RAID 5 offers 3x read speed and no write performance gains. RAID 5 is fault tolerant to 1 disk, regardless of the number of

SOURCE

https://en.wikipedia.org/wiki/RAID