RE: Is RAC DOA?

  • From: DENNIS WILLIAMS <DWILLIAMS@xxxxxxxxxxxxx>
  • To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 16 Aug 2004 13:57:40 -0500

Pete - Thanks for that explanation. I was one of those assuming Grid <=>
RAC.

Dennis Williams
DBA
Lifetouch, Inc.

"We all want progress, but if you're on the wrong road, progress means
doing an about-turn and walking back to the right road; in that case,
the man who turns back soonest is the most progressive." 
-- C.S. Lewis


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Pete Sharman
Sent: Monday, August 16, 2004 1:57 PM
To: oracle-l@xxxxxxxxxxxxx
Cc: Peter Ross Sharman
Subject: RE: Is RAC DOA?


Yep.  You're missing the simple fact that grid is bigger than RAC.  Sure, R=
AC enables a lot of the grid technology but you can also have non-clustered=
 databases in a grid environment on different OS's.  Add Streams and the ab=
ility to have cross platform transportable tablespaces and you'll see more =
of the overall grid environment.

 =

Pete
 =

"Controlling developers is like herding cats."
Kevin Loney, Oracle DBA Handbook
 =

"Oh no, it's not.  It's much harder than that!"
Bruce Pihlamae, long-term Oracle DBA

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] =
On Behalf Of Daniel Fink
Sent: Tuesday, 17 August 2004 4:46 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Is RAC DOA?

Extend that question into the realm of 'grid' computing. RAC requires a het=
erogeneous environment within the cluster. This means =

that a RAC cluster is not really grid friendly. It is only able to 'shift' =
processing requirements within itself and cannot take =

advantage of that underutilized server sitting next to it in the data cente=
r. I asked this question of an Oracle employee recently =

and the response was that RAC does indeed fit into Oracle's grid strategy, =
but there are not any plans to enable a homogenous RAC =

system. Am I missing something?

Daniel



Jesse, Rich wrote:
> I'll add that until <buzzword>hetergeneous clusters</buzzword> are suppor=
ted, your availability is only good until your next patch (Oracle, OS, or 3=
rd party).  When you patch one, you most likely need to patch all at the sa=
me time.  In the case of Oracle patches, it's mandatory at least thru 9.2.
> Rich
> =

> -----Original Message-----
> Sent: Monday, August 16, 2004 10:48 AM
> Subject: RE: Is RAC DOA?
> =

> =

> One slight quibble, regarding increased availability.
> =

> [snip]
> =

> mwf

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