RE: RAC newbie question
- From: "Terrian, Thomas J Mr CTR DLA J6DIB" <Tom.Terrian.ctr@xxxxxxx>
- To: "Andrew Kerber" <andrew.kerber@xxxxxxxxx>
- Date: Mon, 6 Oct 2008 14:44:14 -0400
Ok, thanks.
-----Original Message-----
From: Andrew Kerber [mailto:andrew.kerber@xxxxxxxxx]
Sent: Monday, October 06, 2008 2:41 PM
To: Terrian, Thomas J Mr CTR DLA J6DIB
Cc: Mercadante, Thomas F (LABOR); oracle-l@xxxxxxxxxxxxx
Subject: Re: RAC newbie question
I would not go with a 9 node cluster, applications very often do not
scale that well and it would not be at all unknown for a 9 node cluster
to actually be slower than a 2 node cluster.
On Mon, Oct 6, 2008 at 1:35 PM, Terrian, Thomas J Mr CTR DLA J6DIB
<Tom.Terrian.ctr@xxxxxxx> wrote:
Are these three production databases? YES
Any development or staging to worry about? YES, they are on
other
machines on one cluster.
Does any individual database have a higher profile than the
others? Not
sure what you are asking.
Does it need to be alone for political/business reasons? Good
question,
right now each program manager wants his own cluster. We are
looking to
see if it may be better for the organization to just set up one
production cluster.
Do any of these databases hold a warehouse? Are any a reporting
only
database? NO, OLTP.
-----Original Message-----
From: Mercadante, Thomas F (LABOR)
[mailto:Thomas.Mercadante@xxxxxxxxxxxxxxxxx]
Sent: Monday, October 06, 2008 2:26 PM
To: Terrian, Thomas J Mr CTR DLA J6DIB; oracle-l@xxxxxxxxxxxxx
Subject: RE: RAC newbie question
Tom,
Are these three production databases?
Any development or staging to worry about?
Does any individual database have a higher profile than the
others?
Does it need to be alone for political/business reasons?
Do any of these databases hold a warehouse? Are any a reporting
only
database?
The above in my mind are reasons to separate things a little
bit. Being
asked these questions now seems like putting the cart before the
horse.
A plan should have been developed before the arrival of the
equipment!
LOL!!
If your answer's to the above is that all things being equal,
all three
databases are equal to each other, then I would make one big
cluster I
think. You could then build it slowly - add one cluster at a
time - and
learn as you do.
Just my 2 cents. I'm sure someone is going to violently
disagree with
me.
Hope this helps.
Tom
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Terrian,
Thomas J Mr
CTR DLA J6DIB
Sent: Monday, October 06, 2008 2:10 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: RAC newbie question
I am curious on your thoughts on this.......we have 3 unrelated
databases and 9 boxes to put them on.
Would you recommend one 9 node cluster and put them on that one
or three
3 node clusters (one for each database)?
We are looking at the pros/cons of each. Does anyone have any
thought
either way?
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Andrew W. Kerber
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