Re: raid0 slower than devices it is assembled of?

From: Helge Hafting
Date: Tue Dec 16 2003 - 09:43:21 EST


jw schultz wrote:

No Linux [R]AID improves sequential performance. How would
reading 65KB from two disks in alternation be faster than
reading continuously from one disk?

Raid-0 is ideally N times faster than a single disk, when
you have N disks. Because you can read continuously from N
disks instead of from 1, thereby N-doubling the bandwith.

Wether the current drivers manages that is of course another story.

Helge Hafting


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