Answer: RAID 1
Step-by-step explanation:RAID 1 is the type of raid that gets invoked by the help of two disks and also keeps the record that the disk does not fail. It works by duplicating the data by the mirroring effect in the disks.
It has the property of reviving the data as quick as possible and also has high speed working due to the many drive thus has high error tolerance.Thus RAID 1 is the appropriate raid.