RE: Great post
Date: Fri, 14 Feb 2020 21:54:21 +0000
Message-ID: <33160_1581717286_5E471726_33160_5996_1_9280791ba6de43acb35ba3ff7d2ce2dd_at_vontobel.com>
By using multiple listeners we are able to define different firewall rules for each database.
Best regards,
Nenad
Von: Andrew Kerber <andrew.kerber_at_gmail.com<mailto:andrew.kerber_at_gmail.com>>
Datum Freitag, 14. Feb. 2020, 3:22 PM
An: Jared Still <jkstill_at_gmail.com<mailto:jkstill_at_gmail.com>>
Cc: jmirandavigo_at_hotmail.com <jmirandavigo_at_hotmail.com<mailto:jmirandavigo_at_hotmail.com>>, oracle-l_at_freelists.org <oracle-l_at_freelists.org<mailto:oracle-l_at_freelists.org>>
Betreff: Re: Great post
It is interesting, though there are definitely a couple of pieces I disagree with. For one, the ODA adds complexity, it does not reduce it. I would never recommend an ODA for anyone. SQLnet files should all go in a directory defined by $TNS_ADMIN. Its been that way with oracle for a very long time now, I dont see a reason to change it.
A single listener makes a lot of sense, I have seen some multiple listener environments, but I never really saw the point.
He doesnt mention RAC, but in these days of virtualization, I havent seen many true RAC use cases. VMware allows your virtual machine to restart within 5 minutes or less on a new host if it crashes, and adding CPU and memory can be done hot in most cases, so with the exception of a very few cases where no down time at all can be tolerated, RAC is pretty well obsolete, which really reduces complexity for the DBA.
On Fri, Feb 14, 2020 at 8:36 AM Jared Still <jkstill_at_gmail.com<mailto:jkstill_at_gmail.com>> wrote: it isn't just oracle that is getting more complex: all software is
looking the the revolt against complexity soon...
re this comment in the article
*
- put your Oracle*Net configuration files in /etc because you don’t want multiple files in multiple homes
before doing this, it would be good to understand the ramifications of putting tnsnames.ora (if used) in /etc
ie. no tnsnames.ora in any OH will then ever be considered, probably not what you may expect
On Mon, Jan 27, 2020 at 02:19 Juan Miranda <jmirandavigo_at_hotmail.com<mailto:jmirandavigo_at_hotmail.com>> wrote:
https://blog.dbi-services.com/make-oracle-database-simple-again/
It’s so easy to increase complexity without any good reason. Simplifying is the power of saying NO. No to interesting features and configurations that are not absolutely necessary. All you need for your databases is reliability, safety, availability, performance. Simplicity helps you in that way.
-- Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist Principal Consultant at Pythian Pythian Blog http://www.pythian.com/blog/author/still/ Github: https://github.com/jkstill -- Andrew W. Kerber 'If at first you dont succeed, dont take up skydiving.' ____________________________________________________ Please consider the environment before printing this e-mail. Bitte denken Sie an die Umwelt, bevor Sie dieses E-Mail drucken.Received on Fri Feb 14 2020 - 22:54:21 CET
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