Why not software raid?  It is very unlikely that your system is CPU-bound.
Plus, the ability to move the drives to new hardware is much easier than if
they're tied to a specific proprietary RAID card's implementation.

Thomas
On Feb 27, 2014 12:46 PM, "Carl Wilhelm Soderstrom" <chrome at real-time.com>
wrote:

> I find myself clueless about the state of hardware again.
>
> It used to be that I recommended 3ware RAID controllers because:
>
> 1. they had good Linux drivers built into the kernel
> 2. they were reliable
> 3. they had a really good management tool suite under Linux
>
> However, it looks like 3ware has abandoned the low-end RAID market and the
> cheapest controller of theirs which I find on Newegg is ~$440. Gone are the
> days of $120 2-port controllers for desktop use.
>
> Does anyone have a recommendation for a hardware RAID controller to mirror
> drives for a desktop Linux box?
>
> I really don't want to go back to the days of software RAID.
>
> --
> Carl Soderstrom
> Systems Administrator
> Real-Time Enterprises
> www.real-time.com
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