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+11 votes
2.1k views

Raid configurations of the disks are used to provide

  1. Fault-tolerance 

  2. High speed

  3. High data density

  4. A & B

asked in Operating System by Veteran (69k points)
edited ago by | 2.1k views
answer A or D?

5 Answers

+12 votes
Best answer
A) Fault tolerance and

B) High Speed
answered by Active (1.6k points)
edited by
Yes. For sure. a and b should be answers though a would be a slightly better one if we have to choose 1.
is RAID in syllabus??
@arjun sir : parallel / accessing  mean --would give data at high speed ? That why you opted for high speed too ?
yes, exactly.
is RAID in syllabus , Now ?
+7 votes
RAID 0=IMPROVES DATA TRANSFER RATE.BUT CANT PROVIDE FAULT TOLERENCE

RAID 1 TO 5= PROVIDE TOLERANCE  TO ONE DISC FAILURE

RAID 6=TWO DISC FAILURE
answered by Veteran (10.8k points)
+1 vote
a) FAULT TOLRANCE is answer...

because...if one raid fails then we can use another available raid....
answered by Veteran (10k points)
+1 vote

Answer is A

RAID stands for Redundant Array of Inexpensive (or sometimes "Independent") Disks. In general, a RAID-enabled system uses two or more hard disks to improve the performance or provide some level of fault tolerance for a machine—typically a NAS or server.

More at : http://in.pcmag.com/storage/65084/feature/raid-levels-explained

 

answered by Loyal (3.9k points)
–1 vote

Answer is D.

 

RAID, short for redundant array of independent (originally inexpensive) disks is a disk subsystem that stores your data across multiple disks to either increase the performance or provide fault tolerance to your system (some levels provide both).

You can check here for a more information for RAID.

 

answered by Junior (737 points)


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