Re: fake raid vs software raid

[Arjan van de Ven <arjanv@xxxxxxxxxx>]

On Thu, Jun 23, 2005 at 03:33:41PM +1000, Brock Lessels wrote:
> i am currently running dmraid on gentoo linux. the system uses a sata
> sil3114 card with 4 drives running raid01 the only issue is that the
> install takes alot of fiddling and i have 6 more machines to get up
> and running.
> 
> firstly could anyone tell me if there is any performance issues using
> software raid rather than the cards raid format?

the linux software raid is such that it should be able to get higher
performance. the raid card formats all have a "deficiency" that is caused by
them raiding a whole disk not a partition, and that causes some problems
that in turn can lead to slower performance.

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