VIA 6420 SATA150 controller on FreeBSD 6.0

Søren Schmidt sos at FreeBSD.ORG
Wed Sep 7 01:46:34 PDT 2005

On 07/09/2005, at 10:34, Dominique Goncalves wrote:

> On 9/6/05, Søren Schmidt <sos at> wrote:
>> I've just committed a fix for this to -current. Grap ata-raid.? from
>> there and you should be fine..
> Thanks to your patch for ata-raid.c and ata-raid.h
> FreeBSD can use the raid-1 with only 1 disk
> Thanks you very much!
> ad4: 194481MB <Maxtor 6L200M0 BANC1G10> at ata2-master SATA150
> ar0: WARNING - mirror protection lost. RAID1 array in DEGRADED mode
> ar0: 194480MB <VIA Tech V-RAID RAID1> status: DEGRADED
> ar0: disk0 READY (master) using ad4 at ata2-master
> ar0: disk1 DOWN no device found for this subdisk
> %mount|grep ar0s1
> /dev/ar0s1 on /raid (ufs, local, soft-updates)
> Your patch could maybe be merged in RELENG_6 before 6.0-RELEASE ?

I plan to do just that along with a few other fixes thats growing in  
my greenhouse here...

> FreeBSD support hotplug SATA for this controller?

Well, assisted hotplug using atacontrol to detach/attach the devices.  
Apparently the VIA chip doesn't have hotplug support build in, or at  
least its unknown to me how to..

Søren Schmidt
sos at

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