[zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hans Rattink
I have a more generall question about intellectual rights around ZFS, when 
taking a look at the storage solution NexentaStor.

Perhaps not necessary to mention, but to be complete: NexentaStor has created a 
Open Source SAN solution that runs on commodity hardware. Compellent for 
example has a NAS based upon Nexenta. NexentaStor is based upon the ZFS 
filesystem and sounds (for that reason) very promising. Now i wonder what the 
threats are to this and if Oracle is one of them, when reading for example in a 
Gartner report:

Gartner cautions about the uncertain nature of future developments of the 
open-source ZFS code, as Oracle intends to focus on monetizing ZFS. *

And on the Register i read:

One outcome is that Oracle agrees to license the relevant patents pertaining 
to ZFS from NetApp. This would then open the way for Coraid and other ZFS-using 
storage suppliers to have to license them as well, significantly upsetting 
their business models unless the license fees are set low. **

I would like to know what grip Oracle (or perhaps NetApp) has upon ZFS. Are 
parts of the code owned by Oracle? Can they put claims on parts of ZFS?

Regards, Hans.

*  
http://www.gartner.com/technology/media-products/reprints/hitachi/vol3/article2/article2.html?WT.ac=us_hp_sp1r21_p=v
** http://www.theregister.co.uk/2010/07/06/netapp_coraid/
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Re: [zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hans Rattink
Hi Erik and Kebabber,

Thanks for your answers. Do i summarize it right saying: the best conclusion 
would be then that Nexenta has it's own version of ZFS and has nothing to fear 
of Oracle other ZFS-developpers but that it's uncertain what NetApp might come 
up with as the details aren't published?

Still i wonder what Gartner means with Oracle monetizing on ZFS... Perhaps that 
the advantage of ZFS for others like Compellent (and with that, NexentaStor as 
well) might be become less in future if Oracle speeds up their implementation 
of it?

Regards, Hans
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Re: [zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hans Rattink
 IMHO, oracle would prefer customer go with ZFS
 appliance with added 
 WebGUI and all the extra support like Analytics,
 L2ARc and ZIL with SSD  etc

Last week i've seen mirrored ZIL upon ZEUS SSD in a Boston NexentaStor solution.
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Re: [zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hans Rattink
Thanks all, this cleared up some grey details for me!
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Re: [zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hans Rattink
Hi Brandon,

Thanks for the details. Sounds to me like Nexenta is in the lead!

Kind regards,
Hans Rattink





2011/5/24 Richard Elling richard.ell...@gmail.com

 On May 24, 2011, at 12:49 PM, Brandon High wrote:

  On Tue, May 24, 2011 at 12:41 PM, Richard Elling
  richard.ell...@gmail.com wrote:
  There are many ZFS implementations, each evolving as the contributors
 desire.
  Diversity and innovation is a good thing.
 
  ... unless Oracle's zpool v30 is different than Nexenta's v30.

 It is safe to say Nexenta is unlikely to ever have a pool version 30. We
 are moving forward
 with the new versioning method that supercedes the (limited) numbered
 system of the past.

 Of course, Oracle broke this first by not implementing version 21 in
 Solaris 10 :-)
  -- richard


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