ZFS root on MB Intel S3420GP

[Lystopad Olexandr]

 Hello, Jeremy Chadwick!

On Sun, Apr 17, 2011 at 11:49:12AM -0700
freebsd at jdc.parodius.com wrote about "Re: ZFS root on MB Intel S3420GP":
> On Sun, Apr 17, 2011 at 08:14:40PM +0400, Lystopad Olexandr wrote:
> > On Sun, Apr 17, 2011 at 04:54:34PM +0300
> > gkontos.mail at gmail.com wrote about "Re: ZFS root on MB Intel S3420GP":
> > > There is a nice guide in the WIKI regarding how to install your system with
> > > ZFS on root.
> > > 
> > > http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/RAIDZ2
> > > 
> > > In any case don't configure the raid in your controller and let ZFS take
> > > care of this.
> > 
> > Thanks for answer!
> > 
> > Is it possible to hot change disks with zfs raid on my motherboard?
> 
> This has little to do with ZFS and more to do with SATA.  You will need
> a hot-swap backplane for this to be possible.  Decent server chassis
> usually provide this.  We use Supermicro systems with hot-swap backplanes
> and they work fantastic with FreeBSD + ahci.ko.

Opps, forgot to add in my prev mail about hot swap:

Apr 17 20:50:32  kernel: (ada1:ahcich1:0:0:0): lost device
Apr 17 20:50:32  kernel: (ada1:ahcich1:0:0:0): Synchronize cache failed
Apr 17 20:50:32  kernel: (ada1:ahcich1:0:0:0): removing device entry
Apr 17 20:50:49  kernel: ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
Apr 17 20:50:49  kernel: ada1: <WDC WD5003ABYX-01WERA0 01.01S01> ATA-8 SATA 2.x device
Apr 17 20:50:49  kernel: ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
Apr 17 20:50:49  kernel: ada1: Command Queueing enabled
Apr 17 20:50:49  kernel: ada1: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)

worked fine. Thanks you, guys!

-- 
 Lystopad Olexandr