Re: Adaptec 1210SA SATA Controller Performance

[Jeff Garzik]

Bob Glamm wrote:
> > > Yesterday I've setup a server with Adaptec's 1210SA SATA Controller and 
> > > 2 SATA disks. According to the kernel changelog the controller is 
> > > supported since 2.6.2
> > >
> > > I've installed Debian on an IDE disk, built a 2.6.3 kernel with 
> > > CONFIG_SCSI_SATA_SIL, rebooted and the kernel detected the controller 
> > > plus both SATA disks (sda, sdb). As the next step I wanted to create a 
> > > software raid 1 with the 2 SATA disks. Because it took mdadm forever to 
> > > finish, I checked /proc/mdstat and saw a progress bar with a rate of 
> > > 12MB/s!
>
>
> More to the point, why didn't you just install a 2.4.18 kernel
> and use the Adaptec-supplied driver and the RAID-1 capabilities
> built into the card's firmware?  (Note, I'm not trying to disparage
> Jeff's work on libata here.)
>
> I have this setup and it works flawlessly with a pair of 160GB
> SATA drives.

There are no RAID-1 capabilities built into the card's firmware :)

It's all software RAID.

	Jeff




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