Re: OCF(v2).

From: DA Morgan <damorgan_at_psoug.org>
Date: Wed, 07 Nov 2007 13:24:13 -0800
Message-ID: <1194470648.641486@bubbleator.drizzle.com>

per.lanvin_at_fouredge.se wrote:

> On Nov 6, 4:55 pm, DA Morgan <damor..._at_psoug.org> wrote:

>> per.lan..._at_fouredge.se wrote:

>>> On Nov 6, 3:53 am, DA Morgan <damor..._at_psoug.org> wrote:
>>>> per.lan..._at_fouredge.se wrote:
>>>>> On Nov 5, 6:32 pm, DA Morgan <damor..._at_psoug.org> wrote:
>>>>>> per.lan..._at_fouredge.se wrote:
>>>>>>> Hi,
>>>>>>> I need some advise from someone who knows alot about OCF and maybe CFs
>>>>>>> in general..
>>>>>>> Suppose you have two independent (A & B) database nodes share a
>>>>>>> database volume on a CF.
>>>>>>> Is it possible to have the CF queue (FIFO) requests (read / write)
>>>>>>> from either node in order to let them be executed in that order?
>>>>>>> Rgds
>>>>>>> /PL
>>>>>> Please define your terms.
>>>>>> 1. What version of Oracle?
>>>>>> 2. Are you discussing RAC? If not what are you discussing?
>>>>>> 3. If RAC have you read the concepts and architecture docs?
>>>>>>     Which ones?
>>>>> Thanks for your reply.
>>>>> 10g, two stand alone DBs (not RAC) + proprietary cluster.
>>>>>> If you want serialization what you are saying is that if node 1
>>>>>> starts something that will take 15 minutes you want node 2 to
>>>>>> freeze. Does this make sense?
>>>>> Well, that's a good to begin with but if that's the starting point we
>>>>> would like to add nifty features such as.
>>>>> i) If a write process has been active for more than x seconds, pass
>>>>> through all read processes in the queue.
>>>>> And with even more intelligence added: ii) Write's could be passed
>>>>> through as well as long as they don't interfere with each other.
>>>>> Rgds
>>>>> /PL
>>>> Two separate 10g instances hitting the same database files without
>>>> the benefit of Oracle clusterware? Have you considered just dropping
>>>> a brick on your foot. Why? My expectation is that you are trying to
>>>> earn pain and will likely get a boatload of it.
>>> ((:
>>> Well, it's not easy but if the concept can be proven the idea has alot
>>> of potential.
>>> Rgds
>>> /PL

>> The brick takes less time and anyone that has studied Oracle RAC can
>> predict, with 99.99999999% certainty, the outcome.

>>

>> It is one thing to waste time reinventing the wheel.

>>

>> Quite another to think throwing yourself off a cliff is a good way to
>> learn to fly.
>> --
>> Daniel A. Morgan
>> University of Washington
>> damor..._at_x.washington.edu (replace x with u to respond)
>> Puget Sound Oracle Users Groupwww.psoug.org

> 
> It's kinda obvious you're loyal to Oracle, chill ..
> 
> 
> Rgds
> 
> /PL

No. It is kind of obvious that you will fail.

You aren't even asking the right questions indicating you don't even understand the basic concepts you are dealing with.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org

Received on Wed Nov 07 2007 - 15:24:13 CST