RAID Flashcards
1
Q
what is RAID 0?
A
Striping.
2
Q
what is RAID 0 good for?
A
Provides speed but no data redundancy.
3
Q
what is RAID 1?
A
Mirroring. Uses two disks.
4
Q
what is RAID 1 good for?
A
mirroring offers redundancy.
5
Q
what is RAID 5?
A
Parity. needs 3 disks.
6
Q
what is RAID 5 good for?
A
parity means that you do not have a full copy of everything. You can use three disks, with PARTIAL amounts of the data spread over the disks.
7
Q
what is RAID 6?
A
striping with dual parity requires a minimum of four disks
8
Q
what is RAID 10?
A
mirroring and striping needs four disks
9
Q
what is RAID 10 good for
A
the strongest raid possible. a combination of speed and redundancy.
