1.5 RAID Storage

Question 1

RAID 0

Answer 1

Striping, Takes info and split it up into at least 2 physical drives. Not redundant.

Question 2

RAID 1

Answer 2

Mirroring. File blocks are duplicated across 2 or more drives. Easy to recover data if one drive is lost.

Question 3

RAID 5

Answer 3

Striping with Parity. Takes Striping config from RAID 0 and adds a “Parity Bit” into total data also. Requires 3 or more drives. Redundant with less disk usage than RAID 1.

Question 4

RAID 10 (1+0)

Answer 4

A Stripe of Mirrors. The speed/performance of striping w/ the redundance of mirroring. Requires 4 or more drives.