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Date:      Wed, 7 Sep 2005 10:34:23 +0200
From:      Dominique Goncalves <dominique.goncalves@gmail.com>
To:        =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: VIA 6420 SATA150 controller on FreeBSD 6.0
Message-ID:  <7daacbbe05090701341143a4a@mail.gmail.com>
In-Reply-To: <4CE29790-127C-4E07-A92F-B5A72EE63CBE@FreeBSD.org>
References:  <7daacbbe0509060626686aed19@mail.gmail.com> <4CE29790-127C-4E07-A92F-B5A72EE63CBE@FreeBSD.org>

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On 9/6/05, S=F8ren Schmidt <sos@freebsd.org> wrote:
>=20
> On 06/09/2005, at 15:26, Dominique Goncalves wrote:
>=20
> > Hi,
> >
> > I created a raid-1 with 2 SATA disks with the controller VIA 6420
> > SATA150 from the bios setup.
> > FreeBSD detects the array with ar0 and I can use /dev/ar0s1 to mount
> > my data on FreeBSD 6.0-BETA4.
> >
> > atapci0: <VIA 6420 SATA150 controller> port
> > 0x9000-0x9007,0x9400-0x9403,0x9800-0x9807,0x9c00-0x9c03,0xa000-0xa00f,
> > 0xa400-0xa4ff
> > irq 20 at device 15.0 on pci0
> > ata2: <ATA channel 0> on atapci0
> > ata3: <ATA channel 1> on atapci0
> > [...]
> > ad4: 194481MB <Maxtor 6L200M0 BANC1G10> at ata2-master SATA150
> > ad6: 194481MB <Maxtor 6L200M0 BANC1G10> at ata3-master SATA150
> > ar0: 194480MB <VIA Tech V-RAID RAID1> status: READY
> > ar0: disk0 READY (master) using ad4 at ata2-master
> > ar0: disk1 READY (mirror) using ad6 at ata3-master
> >
> > %mount | grep ar0s1
> > /dev/ar0s1 on /raid (ufs, local, soft-updates)
> >
> > %df -h | grep ar0s1
> > /dev/ar0s1             184G     54G    115G    32%    /raid
> >
> > If I remove one of the disks, FreeBSD can't mount /dev/ar0s1 and I see
> > these errors:
> >
> > ad4: 194481MB <Maxtor 6L200M0 BANC1G10> at ata2-master SATA150
> > ar0: 194480MB <VIA Tech V-RAID RAID1> status: BROKEN
> > ar0: disk0 DOWN no device found for this subdisk
> > ar0: disk1 DOWN no device found for this subdisk
> >
> > and
> > # ls /dev/ar*
> > /dev/ar0
> >
> > AFAIK, if one disk fails, I can continue to use the raid-1 and mount
> > ar0s1 (corret me, if I'm wrong).
> >
> > How can I solve this problem?
> > dmesg is attached.
>=20
> 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 ?
FreeBSD support hotplug SATA for this controller?

Regards
--=20
There's this old saying: "Give a man a fish, feed him for a day. Teach
a man to fish, feed him for life."



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