Martti Kuparinen wrote:
> Hi!
> 
> I got a new Dell PowerEdge 1800 with 6 channel CERC SATA RAID 1.5 
> controller. After some hacking I got the aac driver to work with this card:
> 
> aac0 at pci3 dev 9 function 0: Dell CERC SATA RAID 1.5/6ch
> aac0: interrupting at irq 11
> aac0: i80303 at 100MHz, 64MB mem (48MB cache), optional battery not 
> installed
> aac0: Kernel 4.1-0 [Build 7403], Monitor 4.1-0 [Build 7403], S/N C2BFED
> aac0: Controller supports: 
> 1097c<WCACHE,DATA64,HOSTTIME,RAID50,WINDOW4GB,SOFTERR,ALARM>
> ld0 at aac0 unit 0: RAID 1 (Mirror)
> ld0: 148 GB, 19448 cyl, 255 head, 63 sec, 512 bytes/sect x 312432384 
> sectors

After 12+ hours of "bonnie -s 2000" I see no problems and the
performance is good enough so I guess this can be considered as
production quality driver (I'm going to use this in a "mission critical
server" in our 35-apartment house):

               -------Sequential Output-------- ---Sequential Input-- 
--Random--
               -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- 
--Seeks---
Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU 
/sec %CPU
          2000 58182 44.6 58428 12.7 15225  4.3 56985 47.9 58061  8.5 
245.8  1.1