ZFS recovery after power failure

[Sergey Gavrilov]

Yes, you're right Gary. That's what it was.

2010/12/19 Gary Palmer <gpalmer at freebsd.org>

> On Sat, Dec 18, 2010 at 09:48:37PM -0600, James R. Van Artsdalen wrote:
> > On 12/18/2010 2:11 PM, James R. Van Artsdalen wrote:
> > > I do know how to recover pools. But I do want to know how it failed.
> >
> > Er, I meant to say I do NOT know how to recover pools.
> >
> > Sergey's failure doesn't fit any pattern I am familiar with.  Loss of
> > power should not have been harmful.
> >
> > Perhaps 3ware "cheats" and returns success to SYNC before the disk
> > actually completes the command?
>
> 3ware controllers can be configured with write-back cache even without
> a battery backup, which will almost certainly mean loss of
> data if the power is pulled.
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-- 
Best regards,
Sergey Gavrilov