Upgrade to BDA V4.4 Fails After Step 2 Node Reboot when Executing checkSSHAllNodes.sh - Due to Corrupt Credentials Cache Files
(Doc ID 2116443.1)
Last updated on DECEMBER 26, 2019
Applies to:Big Data Appliance Integrated Software - Version 4.2.0 and later
During upgrade to BDA V4.4, after the BDA V4.4 Step 2 node reboot step, all the checks documented in Upgrading Oracle Big Data Appliance(BDA) CDH Cluster to V4.4.0 from V4.0.0, V4.1, V4.2, V4.3 Releases using Mammoth Software Upgrade Bundle for OL 5.8 or OL 6.4 (Doc ID 2101906.1), are successful. However when resuming the upgrade the following is raised:
INFO: Error code 1 when executing checkSSHAllNodes.sh on host <HOSTNAME0x>
Additional symptoms show:
1. It is possible to ssh to the host bdanode0x referenced in the INFO message above. However from bdanode0x it is not possible to ssh to any other cluster node.
2. Running ssh in verbose mode on bdanode0x, ssh -v bdanode0n, to ssh into any other node in the cluster reports:
Cannot resolve network address for KDC in requested realm.
3. Running ssh in verbose mode, ssh -v, on any other node in the cluster reports:
Matching credential not found
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