Without password ssh does not work but the ACR is fine!

Version: 11.2
Operating system platform: AIX 6.1

Background:
For stand-alone installations DB, we use the oracle of the LDAP user as the owner of the Oracle software. This oracle user is not in/etc/passwd

For the CAR, a local user of oracle is mandatory and we created and installed grid and DB several months ago. Everything worked. Today when I made a ssh of Node1 Node2, is asking for password oracle. IE Passwordless ssh does not work


I have connected to the instance1 and ran
select instance_name, host_name from gv$instance;
This is the list of instance names and host names. How is the feature CAR is still intact without SSH without password?

Hello

So, what you are implying, is that, user equivalence is required for Installation, but not so required for the feature CARS. Right?

RAC will work without problem and CARS not use SSH, but resource "ora.cvu" of Oracle Clusterware using SSH for healthcheck.
When you run '. " "/ cluvfy" is mandatory you have ssh configured with equivalence of the user, the 'ora.cvu' resource is "cluvfy.

So, if someone deletes the directory .ssh mistakenly Oracle $HOME, RAC feature pourrait still work?

Yes... CARS doesn't always work. SSH and Oracle Clusterware, Oracle Clusterware also still works without problem, have a low dependency.

As RAC FAQ mentioned is mandatory present an equivalent user (ssh, etc.) set up after the installation of the PAP/GRID.

Kind regards
Levi Pereira

Published by: Levi Pereira December 14, 2011 12:42

Tags: Database

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