Shulou(Shulou.com)06/01 Report--

Environment: oracle 11.2.0.4 rac + aix 6.1

Problem description: when installing oracle 11.2.0.4 grid, when entering the ssh installation interface and clicking the test button, the following error is prompted:

[INS-06006] Passwordless SSH connectivity not set up between the following nodes (s)

On the other hand, the manual test of ssh on two nodes is successful, and the mutual trust relationship of ssh is passed.

Problem analysis: view installActions.log

INFO: Preparing to check passwordless SSH Connectivity between nodes: [RACNODE1, RACNODE2] = = > > "hostname" command returns upper case hostname-where the hostname is output in uppercase mode

INFO: Testing passwordless SSH connectivity between the selected nodes. This may take several minutes, please wait...

INFO: OverallStatus of User Equivalence check using CVU is SUCCESSFUL

FINEST: oracle.install.driver.oui.OUISSHSupportManager:Checking whether RACNODE1 is a local node or not.

FINEST: oracle.install.driver.oui.OUISSHSupportManager:Identified RACNODE1 as the local node.

INFO: Finding passwordless SSH connectivity setup on remote nodes

INFO: Preparing remote commands to check passwordless SSH connectivity setup on remote nodes

INFO: Total number of remote commands to be executed is 4

WARNING: Failed while executing remote commands to check SSH connectivity to other nodes..

Refer associated stacktrace # oracle.install.driver.oui.OUISSHSupportManager:964

INFO: Source Node: racnode1 Target Node: racnode1

INFO: Exception: null

INFO: Status log: oracle.install.driver.oui.OUISSHSupportManager$SSHSetupVerificationCommand: 0 | ssh: Could not resolve hostname-o FallBackToRsh=no: Temporary failure in name resolution: failed

....

INFO: Remote node (s) not configured for passwordless SSH connectivity: [racnode1]

INFO: Details about the list of remote node (s), not configured for passwordless SSH connectivity

-

NODE REMOTE NODES

-

Racnode1 [racnode1, racnode2] = = > > convert to lowercase here

-

$grep RACNODE / etc/hosts

10.0.0.101 RACNODE1.US.ORACLE.COM RACNODE1

10.0.0.102 RACNODE2.US.ORACLE.COM RACNODE2

-- View / etc/hosts is capitalized

According to the error message, metalink is found to be bug.

Cause

Upper or mixed case hostname being used, this is being investigated in bug 17580744

Duplicates:

BUG 17666448-INS-06006 OCCURS IF HOSTNAME IS IN CAPITAL LETTERS FOR GI INSTALLATION

BUG 17675476-PASSWORDLESS SSH CONNECTIVITY NOT SET UP BETWEEN THE FOLLOWING NODES

Solution:

$/ oui/bin/runInstaller-updateNodelist ORACLE_HOME= "CLUSTER_NODES= {racnode1,racnode2}" CRS=true

Currently, this problem is only available in version 11.2.0.4.

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