RE: OMS and Repository Preferences

  • From: John Hallas <John.Hallas@xxxxxxxxxxxxxxxxxx>
  • To: "kellyn.potvin@xxxxxxxxx" <kellyn.potvin@xxxxxxxxx>, "tim@xxxxxxxxxxxxxxx" <tim@xxxxxxxxxxxxxxx>
  • Date: Thu, 12 Apr 2012 21:36:56 +0100

RAC free for OEM - new one on me (although we do have site licenses so have had 
no need to investigate to a great detail)

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Kellyn Pot'vin
Sent: 12 April 2012 16:37
To: tim@xxxxxxxxxxxxxxx
Cc: Oracle- L@ Free
Subject: Re: OMS and Repository Preferences

Since without EM, we DBA's are often in the dark, I appreciate the proposal of 
RAC for the environment, but doesn't this kill the free licensing option that 
many companies take advantage of to keep costs down?  I would prefer to use my 
EM monitoring and alert script vs. having to go to my manager and explain to 
him that I need more budget for licensing costs!  Correct me if RAC is free for 
EM, but I see no documentation saying otherwise.
Kellyn Pot'Vin
Senior Technical Consultant

 From: Tim Hall <tim@xxxxxxxxxxxxxxx>
To: kellyn.potvin@xxxxxxxxx 
Cc: "Oracle- L@ Free" <oracle-l@xxxxxxxxxxxxx> 
Sent: Thursday, April 12, 2012 9:09 AM
Subject: Re: OMS and Repository Preferences

Take a look at this:

From your description it sounds like you are only planning a level 1
setup (1 repository instance and 1 OMS instance). If that is the case,
I see very little benefit to having it on 2 machines, as opposed to 1.
If either DB or OMS machine dies it's all gone anyway. Since the two
servers in this setup provide no additional resilience, I would prefer
a simpler solution of a single server myself.

Of course, if the plan is to move to a more resilient solution in the
future, it may alter my opinion somewhat.



On Thu, Apr 12, 2012 at 3:15 PM, Kellyn Pot'vin <kellyn.potvin@xxxxxxxxx> wrote:
> I know it's common for many folks to separate their OMS from their repository 
> for Enterprise Manager-  I haven't been one to do this in the past due to, 
> OK, just going to say it, flaky network connectivity in previous environments 
> that would cause *false* communication alerts with the OMS components to/from 
> the repository.  I now have new clients, new systems to work on and at least 
> two EM12c environments to build out in the near future.
> So here's my question:
> What is your preference when building an Enterprise Manager environment?  Do 
> you house the OMS and the repository on the same host or separately and I 
> want to know WHY you build it one way or the other, not just "It just should 
> be that way.. " :)
> Thanks!
> Kellyn Pot'Vin
> Senior Technical Consultant
> Enkitec
> --

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