[OpenIndiana-discuss] General ZFS questions (Michelle Knight)

[Jonathan Adams]

not sure if it helps any, or even if it helps in
OpenSolaris/Illumos/OpenIndiana ...

we've had problems in the past with usb devices and memory allocation
... admittedly this was when we had quite a few devices in the system,
but we had to set the "ehci:ehci_qh_pool_size" in /etc/system:

set ehci:ehci_qh_pool_size = 120

we noticed it because we had errors connecting devices, which doesn't
sound like your problem, but it might be worth a go.

Jon

On 14 January 2011 18:35, Michelle Knight <michelle at msknight.com> wrote:
> Well, the PCI expansion card is back in, and both drives are connected via the
> E-sata ports on the expansion card.
>
> The memory passed the test with no problems.
>
> The backup has already done 440gig (all be it very slowly) and the system has
> been up for over 8 hours now.
>
> It looks like trying to copy the large amount of data over the USB line could
> be the cause of the lock ups ... after all, it is the same drives on the same
> OS. Possibly the chip sets on the mother board are too new? Who knows.
>
> At some point, I'll try a single drive connected to the single e-sata port on
> the mother board. A large transfer through there might help furthe define what
> caused the lock ups.
>
> So far, we have....
>
> Two drives over USB conenction - lock up.
> One drive on USB and one drive on MB E-sata - lock up.
> Two drives on PCI E-sata card - working fine.
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