Xsan (Apple) on FreeBSD

Patrick Tracanelli eksffa at freebsdbrasil.com.br
Wed Aug 22 07:41:06 PDT 2007


Eric Anderson wrote:
> Eric Anderson wrote:
>> Robert Watson wrote:
>>>
>>> On Sat, 18 Aug 2007, Derek E. Lewis wrote:
>>>
>>>> On Sat, 18 Aug 2007, Robert Watson wrote:
>>>>
>>>>> Catching up on an aging thread here -- as far as I know, the XSan 
>>>>> parts from Mac OS X are closed source, so while you can access XSan 
>>>>> storage using whatever distributed file systems Apple supports 
>>>>> (NFS, CIFS?), you can't use FreeBSD to directly access the storage 
>>>>> area network.  This is probably fine.
>>>>>
>>>>> You'll be interested to know, if you don't already, that both 
>>>>> NetApp and Isilon use FreeBSD as the foundation OS for their products.
>>>>
>>>> Isilon uses FreeBSD, yes, but Netapp uses Linux. One of the 
>>>> improvements Netapp made to Linux was rewriting the NFS stack to 
>>>> support NFSv4 in a decent manner. Those of you that have worked with 
>>>> Linux NFS before know that its not something you want to ship on a 
>>>> commercial storage product.
>>>
>>> NetApp gave a rather nice presentation at the recent FreeBSD 
>>> developer summit in Ottawa on the topic of FreeBSD as the foundation 
>>> OS for OnTap/GX, and also made a rather healthy donation to the 
>>> FreeBSD Foundation in the last six months.  I defer to their 
>>> expertise on the point of what the OS in their product is... :-)  As 
>>> I understand it, NetApp has improved the Linux NFS client 
>>> significantly, but not for the purposes of including it in their 
>>> product.
>>
>> Robert, can you point me to that presentation please?  I'd love to 
>> read it..
> 
> Does anyone have a pointer to the presentation by NetApp from the Dev 
> summit?
> 
> 
> Eric

Julian Elischer has the presentation on video, if I am not wrong. It was 
available a while ago, but got offline due to some sort of bandwidth 
usage issues. Follow the README file at 
http://people.freebsd.org/~julian/DEVSUMMIT/ to contact mr Elischer.

-- 
Patrick Tracanelli


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