Re: Onboard raid controllers a problem?
On Fri, Sep 23, 2005 at 02:31:55PM +0100, Paul Brook wrote:
> Depends on your definition of "better".
>
> Hardware raid does allow you to offload some processing from the main system
> to the RAID card. However you need to bear in mind that volumes created with
> a hardware raid card will only work with that type of card, so It's advisable
> to have spare cards in case one dies. With Linux software raid the volumes
> will work in any linux machine.
Certainly handy for getting up and running after a hardware failure.
> In terms of data integrity both should be equivalent, though make sure your
> hardware card has battery backup.
Or does not do any write caching.
> Unless you know you need hadware RAID I generally recommend going with
> software raid and spending the money you save on more memory, faster CPU, or
> more disks :-)
Lennart Sorensen
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