Re: OCF(v2).

From: <per.lanvin_at_fouredge.se>
Date: Wed, 07 Nov 2007 09:02:19 -0000
Message-ID: <1194426139.651250.126310@k79g2000hse.googlegroups.com>

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 Received on Wed Nov 07 2007 - 03:02:19 CST