8.1-RELEASE ZFS hangs

[Jeremy Chadwick]

On Wed, Sep 08, 2010 at 02:33:38PM +0400, Sergey Zaharchenko wrote:
> Wed, Sep 08, 2010 at 10:07:27AM +0200 you wrote:
> > Could you give more information about the hardware you are using (disk
> > controller in particular) and /boot/loader.conf output.
> 
> The controller is a RocketRAID 3540 SATA Controller in single-disk mode:
> 
> hptiop0: adapter at PCI 5:0:0, IRQ 16
> hptiop0: <RocketRAID 3540 SATA Controller> mem 0xdd800000-0xddffffff irq 16 at device 0.0 on pci5
> hptiop0: 0 RocketRAID 3xxx/4xxx controller driver v1.3 (010208)
> hptiop0: [GIANT-LOCKED]
> hptiop0: [ITHREAD]

If you get rid of hptiop(4) (meaning move the disks to the on-board
controller, which presumably has 4 or 6 ports on it?), does the
situation improve?

I realise this isn't an effective long-term solution, but it would help
rule out hptiop(4) being the source of the problem.

-- 
| Jeremy Chadwick                                   jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |