Re: rac network question
- From: "David Taft" <oradbt054@xxxxxxxxx>
- To: andrew.kerber@xxxxxxxxx
- Date: Fri, 11 Jan 2008 11:29:00 -0500
Andrew,
It is possible to use a crossover cable, but as soon as one node goes down
you loose the network. This usually results in ORA-29740 errors and even
split-brain scenarios. We experienced this several years ago with a large
production system. In our case we experienced the following:
RAC Instances Crash with ORA-29740 or ORA-600 [ksxpwait5] on IBM AIX,
Doc ID: Note:175678.1
The problem was resolved by replacing the crossover cable with a switch.
Crossover cables are not supported by Oracle for RAC, although there was
time when this was not the case. Just as an FYI, here is a good note on
troubleshooting ORA-29740 errors:
Troubleshooting ORA-29740 in a RAC Environment
Doc ID: Note:219361.1
Cheers,
David
On Jan 11, 2008 10:45 AM, Andrew Kerber <andrew.kerber@xxxxxxxxx> wrote:
> And you know, I have read that also now that you mention it. But, I have
> seen a crossover cable used. But, in those cases as I recall they also had
> at least two physical interfaces for the public and two for the private.
>
>
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