[ILUG] Highpoint Sata RAID

[Rick Moen]

Quoting Paul Jakma (paul at clubi.ie):

> Interestingly, the Promise SX4 SATA cards actually /are/ hardware 
> RAID. At least, they have onboard RAM and a XOR engine to be able to 
> accellerate RAID-5. The RAM allows the OS to only have to copy data 
> across the PCI bus once, and then issueing the disk transaction from 
> the card-local data.

HighPoint 1820A is likewise assisted by a hardware XOR processor -- in
its case, a HighPoint HPT601.  (That doesn't make either of them
hardware RAID, though.   They're still "fakeraid" --
manufacturer-proprietary software RAID with a BIOS assist.)