RAID Flashcards

1
Q

what is RAID 0?

A

Striping.

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2
Q

what is RAID 0 good for?

A

Provides speed but no data redundancy.

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3
Q

what is RAID 1?

A

Mirroring. Uses two disks.

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4
Q

what is RAID 1 good for?

A

mirroring offers redundancy.

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5
Q

what is RAID 5?

A

Parity. needs 3 disks.

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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.

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7
Q

what is RAID 6?

A

striping with dual parity requires a minimum of four disks

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8
Q

what is RAID 10?

A

mirroring and striping needs four disks

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9
Q

what is RAID 10 good for

A

the strongest raid possible. a combination of speed and redundancy.

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