Re: raid performance, your opinion?
michael@etalon.net wrote:
> I have 4 disks for a software raid configuration.
> I'm pondering about using either a 4 disk raid5 array, or
> a 4 disk raid10 array.
>
> I'm interested in speed mostly, but data integrity is important too.
> I'm running a web, proxy, file, email server all in one. (Sarge box)
>
> I suppose with Raid5, I would get more disk space, plus I would also
> get 3 disks for stripe with 1 for parity.
> But with Raid10, I would get less drive space, only 2 disks striped, but
> get better fault tolerance.
You'll get more performance, usually from a raid 10. However, if you
need to add a disk it is a pain. You can easily add as many disks as
you want to a raid5 config.
>
> I'm guess I'm just looking for your thoughts on what you would do.
>
> Thanks for you opinion!
>
> Cheers,
> Mike
>
> PS, or maybe there is another raid level I should be looking at?
>
>
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Ugo
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