[CentOS] Suggest Hardware Raid Controller Card

On 07/11/11 9:30 AM, Drew wrote:
> Which is funny because Intel's SASUC8i (rebranded LSI3082E-R) is true
> hardware RAID which I recently picked up*new*  for $150. They don't do
> RAID-5/6 or have a BBU but IMO you don't need a BBU for RAID-0/1/10.

you want BBU (or flash-backed cache) if you want write-back cache, and 
not mandate write-through. This is quite independent of the RAID type.  
It greatly speeds up 'committed' random writes such as are generated by 
a transactional database.



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