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Problem Description
While installing Oracle 11gR2 Grid Infrastructure on HP-UX or AIX machin OUI giving error message whenever it is clicked on setup of configuring ssh.
INS-06006: Passwordless SSH connectivity not set up between the following node(s).
You might also face following on your AIX machine after clicking ssh setup.
INS-06001: Failed to perform operation due to internal driver error.
Cause of the Problem
1. The problem happened as the grid user or oracle user (the user you used to run runInstaller) does not have password on OS level.
2. If OUI is able to setup passwordless SSH connectivity but still shows the error, likely "ping" command is inaccessible - grid or oracle user should be able to execute ping command.
3. OS command ssh or scp are not in expected location.
4. May be $HOME/.ssh or files in it are owned by different user.
Solution of the Problem
1. Test the ssh.
Issue "passwd" command to set password in both machines. Note that if you don't set the password in the RAC nodes then these error will fire.
Also, please test ssh command in both nodes of your RAC.
on node1 execute:
ssh node1 date
ssh node2 date
and on node 2:
ssh node1 date
ssh node2 date
2. If OS command ssh or scp are not in expected location, the workaround is to create symbolic link on all nodes:
ln -s /usr/local/bin/ssh /usr/bin/ssh
ln -s /usr/local/bin/scp /usr/bin/scp
3. Check the permission on file $HOME/.ssh
$ ls -l $HOME/.ssh
While installing Oracle 11gR2 Grid Infrastructure on HP-UX or AIX machin OUI giving error message whenever it is clicked on setup of configuring ssh.
INS-06006: Passwordless SSH connectivity not set up between the following node(s).
You might also face following on your AIX machine after clicking ssh setup.
INS-06001: Failed to perform operation due to internal driver error.
Cause of the Problem
1. The problem happened as the grid user or oracle user (the user you used to run runInstaller) does not have password on OS level.
2. If OUI is able to setup passwordless SSH connectivity but still shows the error, likely "ping" command is inaccessible - grid or oracle user should be able to execute ping command.
3. OS command ssh or scp are not in expected location.
4. May be $HOME/.ssh or files in it are owned by different user.
Solution of the Problem
1. Test the ssh.
Issue "passwd" command to set password in both machines. Note that if you don't set the password in the RAC nodes then these error will fire.
Also, please test ssh command in both nodes of your RAC.
on node1 execute:
ssh node1 date
ssh node2 date
and on node 2:
ssh node1 date
ssh node2 date
2. If OS command ssh or scp are not in expected location, the workaround is to create symbolic link on all nodes:
ln -s /usr/local/bin/ssh /usr/bin/ssh
ln -s /usr/local/bin/scp /usr/bin/scp
3. Check the permission on file $HOME/.ssh
$ ls -l $HOME/.ssh
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