Apply this fix to resolve issues with passwordless SSH on compute nodes after reprovisioning in Platform Cluster Manager 4.2.1.
Readme documentation for IBM® Platform Cluster
Manager Version 4.2.1 Fix 411874, including installation-related instructions
and prerequisites.
After reprovisioning compute nodes, issues with passwordless SSH occur. Specifically, the ssh_host_ecdsa_key SSH key is altered after compute nodes
are reprovisioned which causes problems. Apply this
fix to resolve this issue.
Readme file for:
IBM® Platform Cluster Manager
Product/Component release: 4.2.1
Update name: Fix 411874
Fix ID: pcm-4.2.1-build411874
Publication date: 28 Jun 2016
Last modification date: 28 Jun 2016
Fix 411874 can be downloaded from IBM Fix Central at http://www.ibm.com/support/fixcentral.
Fix 411874 affects the following versions of Platform
Cluster Manager:
4.2.1
4.2.1 Fix Pack 1
Platform Cluster Manager 4.2.1 or Platform Cluster Manager 4.2.1 Fix Pack 1 must be installed in management node.
Applying this fix involves the following steps:
5.1 Download the "pcm-4.2.1-build411874" fix
package from IBM Fix Central.
5.2 Upload the fix tar file to the Platform Cluster Manager management
node.
5.3 On the Platform Cluster Manager management node,
extract the fix tar file.
# mkdir -p /opt/pcm/pcm_4.2.1_build411874
# tar -zxvf pcm_4.2.1_411874_fix.tar.gz -C /opt/pcm/pcm_4.2.1_build411874
5.4 On the Platform Cluster Manager management node, back up the script remoteshell and replace it.
# mkdir –p /opt/pcm/pcm_4.2.1_build411874/backup
# cp /install/postscripts/remoteshell /opt/pcm/pcm_4.2.1_build411874/backup
# cp /opt/pcm/pcm_4.2.1_build411874/remoteshell
/install/postscripts/
remoteshell.
For the provisioned compute nodes before apply this fix, the ssh key ‘ssh_host_ecdsa_key’ still will be changed after the first re-provisioning.
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