Re: Oracle RAC
Date: Thu, 3 Sep 2009 10:15:54 -0700 (PDT)
On Sep 3, 7:29 am, "Terry Dykstra" <tddyks..._at_forestoil.ca> wrote:
> "John Hurley" <johnbhur..._at_sbcglobal.net> wrote in message
> On Sep 3, 8:43 am, wa..._at_kutztown.edu (Jim Watts) wrote:
> > Everyone thank you for the information.
> > The choice of Oracle on Windows was not mine.
> > The reason that RAC is being looked into is to allow for high availability
> > during registration and to prevent people from having to come in after
> > hours
> > to flip hardware around for a failure.
> > I understand that there are other possible options. But I have to cover
> > all
> > my bases.
> The argument is that unless you have some very very strong in house
> expertise you are likely to get less uptime ( more downtime ) in a RAC
> configuration than you are in a single server configuration. Plus
> that expertise has to be available pretty much immediately 24 x 7 x
> When you toss in the idea of running RAC on a windows based server
> that kind of magnifies this type of issue.
> The reliability/availability of a unix/linux server tends to be in the
> 99.9 percent range. ( Some might argue that linux is more like
> 99.8 ).
> Many many years ago "if" one was running oracle on a windows based
> server it was not uncommon to have to plan a weekly if not daily
> reboot of the server. Not necessarily oracle based problems but from
> the operating system.
> That left a very bad taste in many people's experience of oracle on
> windows. Some if not all of those types of considerations may not be
> so valid any longer ( no real idea thank you very much ).
This reminds me of a brief tuning job I did once. 7.3.4 on Solaris, talked at by windows-based telephone registration system for a local college. Quickened Oracle logins with OOB setting, no problem. Isolated problem: Windows-based telephone registration system couldn't handle 1000's of students all calling at the same time. Not much more work there for me.
> You probably won't get this much honest real world experience from a
> 3rd party oracle partner trying to push a RAC windows based system
> sales opportunity.
(Terry, appreciate that you don't top-post, but you might want to delineate quotes more clearly)
> In our shop we run W3K and databases run for months in a row without ever
> needing to shutdown. Now if you insist on installing every MS Security
> patch every time new ones come out, obviously you cannot achieve that kind
> of uptime.
Oh man, do you see the problem here? Facing probable script kiddies student environment without the latest security patches? Yikes!
-- _at_home.com is bogus. Lying liars who lie are at it again: http://www3.signonsandiego.com/stories/2009/sep/03/va-booklet-end-life-issues-vets-defended-ethicists/?uniontrib Some actual honest ethicism: http://www.ethics.va.gov/resources/ethicsresources.asp#18Received on Thu Sep 03 2009 - 12:15:54 CDT