Anyone using freebsd ZFS for large storage servers?

[Wojciech Puchar]

> 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.