Re: Software RAID and drive failures
On Mon, 2003-03-10 at 13:15, Kirk Strauser wrote:
> At 2003-03-10T18:25:06Z, Ron Johnson <ron.l.johnson@cox.net> writes:
>
> > I bet RAID0 would be even faster. Yes, yes, fragile...
>
> Not for concurrent reads. If a file spans more than one physical disk, then
> at least two drives have to be reading from the same region at the same
> time. With RAID1, you can have multiple simultaneous reads from different
> physical locations.
Why wouldn't you get parallel reads, especially if you do async IO?
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| Ron Johnson, Jr. mailto:ron.l.johnson@cox.net |
| Jefferson, LA USA http://members.cox.net/ron.l.johnson |
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| Spit in one hand, and wish for peace in the other. |
| Guess which is more effective... |
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