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Re: 10g RAC network failure behavior

From: Keith <kknauss_at_gmail.com>
Date: 21 Aug 2006 11:39:35 -0700
Message-ID: <1156185575.340494.256830@m79g2000cwm.googlegroups.com>


Metalink note 296878.1 describes the behavior starting with 10.1.0.4.

DA Morgan wrote:
> Keith wrote:
> > Well, I just inherited a 2-node 10g RAC database on linux. I'm trying
> > to understand the network failure points, and what the behavior is
> > supposed to be from RAC.
> >
> > I just read a Metalink note stating that the DB and ASM are dependant
> > on the VIP, so a link or adapter failure on the public interconnect
> > would cause the instance to crash. Unfortunately there is no more
> > information as to why they are dependant on the the public
> > interconnect. Why crash the instance? What about locally connected
> > apps? Isn't there another hearbeat through the private interconnect?
> >
> > Also, what I haven't found is what happens when the private
> > interconnect fails? CSS is supposed to guard against the split brain
> > syndrome, but how? What happens?
> >
> > Any help would be apprecated from you RAC gurus.... and if you could
> > point me to the right documentation, that would be helpful too. I've
> > been perusing the CRS/RAC install and admin guides and I'm not finding
> > this information anywhere.
> >
> > Thanks in advance for your help.
>
> I've not seen anything in the documentation indicating a crash was an
> appropriate response. Node ejection and operating system reboots on the
> other hand are.
>
> Can you provide a link to the doc you are reading.
> --
> Daniel A. Morgan
> University of Washington
> damorgan_at_x.washington.edu
> (replace x with u to respond)
> Puget Sound Oracle Users Group
> www.psoug.org
Received on Mon Aug 21 2006 - 13:39:35 CDT

Original text of this message

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