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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Dan Nelson <dnelson@allantgroup.com>
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Cc: Kaya Saman <kayasaman@gmail.com>, Polytropon <freebsd@edvax.de>,
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Subject: Re: Anyone using freebsd ZFS for large storage servers?
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> On the other hand, even on a single-disk pool, ZFS stores two copies of all
> metadata, so the chances of actually losing a directory block are extremely
> remote.  On mirrored or RAIDZ pools, you have at least four copies of all
> metadata.
i can only wish you to be lucky. sometimes lack of understanding make 
people happy.