Re: RAC over NFS

From: Hans Forbrich <hforbric_at_yahoo.net>
Date: Fri, 20 Feb 2004 00:56:29 GMT
Message-ID: <1XcZb.40431$Hy3.29677@edtnps89>

Daniel Morgan wrote:
> Hans Forbrich wrote:
>

>> Daniel Morgan wrote:
>>
>>> Sorry to disagree gentlemen. But a benchmark done at Oracle Corp.
>>> where it is being used for production showed only a minor difference
>>> between the best of breed Hitachi SAN and the NetApp NAS.
>>>
>>> Something like 12 minutes out of 18 hours of hard processing.
>>>
>>> You may be thinking of older NetApp technology.
>>>
>>
>>
>> Ack. I was thinking about a customer several moons ago who looked at an
>> old version of Net App back when "SAN was good/NAS was bad".  From what
>> I've read the work they [Net App] put into their product, including
>> 'guaranteed writes over NFS', paid off.
>>
>> That said - I believe regular NFS is still not a viable solution except
>> possibly in a lab environment. 
>> /Hans

>
>
> So you think Larry is doing what with his company? Putting it at risk?
>
> I don't think so. NFS is good enough for anything but perhaps the most
> mission critical line-of-business purposes and even then I could argue
> that with the built-in recovery options even then well worth the risk.
>

Not quite sure what you're driving at. I don't see how Larry is putting anything at risk.

I'm saying the NFS used by Net App is modified to handle guaranteed writes and is NOT standard NFS. That is why Oracle certifies only specific NAS vendors.

/Hans Received on Thu Feb 19 2004 - 18:56:29 CST