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Date: Sun, 06 Jan 2008 14:07:21 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Ivan Voras <ivoras@freebsd.org>
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Cc: freebsd-current@freebsd.org, Peter Schuller <peter.schuller@infidyne.com>,
	Brooks Davis <brooks@freebsd.org>
Subject: Re: When will ZFS become stable?
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Ivan Voras wrote:
> On 06/01/2008, Peter Schuller <peter.schuller@infidyne.com> wrote:
>>> This number is not so large. It seems to be easily crashed by rsync,
>>> for example (speaking from my own experience, and also some of my
>>> colleagues).
>> I can definitely say this is not *generally* true, as I do a lot of
>> rsyncing/rdiff-backup:ing and similar stuff (with many files / large files)
>> on ZFS without any stability issues. Problems for me have been limited to
>> 32bit and the memory exhaustion issue rather than "hard" issues.
> 
> It's not generally true since kmem problems with rsync are often hard
> to repeat - I have them on one machine, but not on another, similar
> machine. This nonrepeatability is also a part of the problem.
> 
>> But perhaps that's all you are referring to.
> 
> Mostly. I did have a ZFS crash with rsync that wasn't kmem related,
> but only once.

kmem problems are just tuning.  They are not indicative of stability 
problems in ZFS.  Please report any further non-kmem panics you experience.

Kris