RAID

Question 1

Spanning; not tolerant

Answer 1

RAID 0 option 1

Question 2

Disk Striping; Not tolerant, but faster to read/write

Answer 2

RAID 0 option 2

Question 3

Disk Mirroring; slow, expensive, tolerant

Answer 3

RAID 1

Question 4

Disk Striping with Parity; Min 3 HDD

Answer 4

RAID 3

Question 5

Parity bits: indicate what data is where

• requires min 3 drives
• fault tolerant
• can be used to regenerate data
• most common in corporate
• XOR

Answer 5

RAID 5

Question 6

2 sets of parity bits
can have 2 HDD fail
more redundancy
takes more space

Answer 6

RAID 6

Question 7

Necessary partitions

Answer 7

max 4 min 2

root swap and boot