[CentOS] SATA RAID card recommendation?

Florin Andrei wrote:
> Joshua Baker-LePain wrote:
>>
>> Erm, how many spindles can you fit in that 1U?  4 is the most I've seen.
> 
> Yup, 4 disks. 2 for OS, 2 for DB. RAID1
> 

Well then may I suggest using the motherboard provided disk connectors 
and then getting yourself a BBU NVRAM or DDR RAM board to use as an 
external journal?

What kind of box is this? The motherboard may already come with a BBU 
write cache for all we know.