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Date: Tue, 08 Jul 2008 22:36:36 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: John Nielsen <lists@jnielsen.net>, freebsd-questions@freebsd.org
Subject: Re: FreeBSD + ZFS on a production server?
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Wojciech Puchar wrote:
>>
>> ZFS on FreeBSD is GEOM-ified. While I believe what Wojciech said about
>> needing a full disk is correct under Solaris, it's not the case in
> 
> i never said it requires full disk. but it will work very slow sharing a 
> disk with non-ZFS things.

Well, of course if you are loading your disk with too many seeks it will 
be slow.  This has nothing to do with ZFS.

>>> to say more: zfs set copies could be usable to selectively mirror given
>>> data while not mirroring other (using unprotected storage for ZFS).
>>> but it's broken. it writes N copies under write, but don't remake
>>> copies in case of failure!
> 
> which make it almost unusable. in case of any failure you have to copy 
> and delete every file to make it actually repaired.

Eh?  It happens automatically.

Kris