[CentOS] LSI 2008 SAS driver?

[John R Pierce]

On 03/23/12 5:04 AM, Tony Mountifield wrote:
> Can anyone tell me which versions of CentOS/kernel support the LSI 2008
> SAS chipset, as used in the Supermicro X8DT6-F motherboard?
>
> It's billed as a "hardware RAID" controller. Is this real RAID or fake RAID?
> I will be having two hard drives in a mirrored configuration. I usually
> use MD software RAID1, mirroring at the partition level. Would this still
> be best with this chipset, or would hardware RAID1 mirroring be better?

the MPT2SAS driver for those chips should be in c5.recent and most 
definitely are in C6

its 'real' hardware reid, but doesn't have significant cache or any 
battery or flash backup, so its hardly worth using the raid.  I 
configure these as simple JBOD and let Linux do the mirroring.



-- 
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast