Richard Elling wrote:
> Orvar Korvar wrote:
>> Ok, thanx for your answers! 
>>
>> So, I guess there is no point in providing a database on top of ZFS, just as 
>> MS tried to do? A WinFS like thing on ZFS wouldnt be beneficial at all? 
>> Better off with plain ZFS?
>>   
> 
> I don't think this is a simple question.  The way ZFS is designed,
> you could plug a new module into the DMU.  Most people interface
> with the ZPL (POSIX Layer) module, with some folks using ZVols.
> There is nothing to say that you can't come up with another module
> that leverages the DMU.

pNFS is doing exactly this and while the service that pNFS provides is a 
file system it is using ZFS as a "database" and uses the DMU/DSL 
directly rather than through the ZPL.

http://opensolaris.org/os/project/nfsv41/

-- 
Darren J Moffat
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