A server administrator wants to ensure a storage array can survive the failure of two drives without the loss of data. Which of the following RAID levels should the administrator choose?

The correct answer is D. 6. RAID 6 is a level of RAID that can survive the failure of two drives without the loss of data. RAID 6 uses block-level striping with two parity blocks distributed across all member disks. RAID 6 can tolerate two simultaneous drive failures and still provide data access and…

Server administration

Question

Options

How the community answered

(34 responses)

B
6% (2)
C
3% (1)
D
91% (31)

Explanation

RAID 6 is a level of RAID that can survive the failure of two drives without the loss of data. RAID 6 uses block-level striping with two parity blocks distributed across all member disks. RAID 6 can tolerate two simultaneous drive failures and still provide data access and redundancy. RAID 0 is a level of RAID that uses striping without parity or mirroring, and offers no fault tolerance. RAID 0 cannot survive any drive failure without data loss. RAID 1 is a level of RAID that uses mirroring without parity or striping, and offers fault tolerance by duplicating data on two or more disks. RAID 1 can survive one drive failure without data loss, but not two. RAID 5 is a level of RAID that uses block- level striping with one parity block distributed across all member disks. RAID 5 can tolerate one drive failure without data loss, but not two.

Topics

#RAID levels#Storage fault tolerance#Data redundancy#Server storage

Community Discussion

No community discussion yet for this question.

Full SK0-005 Practice