[AMBARI-25950] Exclude hosts getting erased when RM, NN are restarted

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.7.8
• Component/s: ambari-server
• Assignee: D M Murali Krishna Reddy
• Reporter: D M Murali Krishna Reddy
• Created: 12/Jun/23 03:33
• Updated: 31/Jan/24 18:38
• Resolved: 31/Jan/24 18:38

Description

After decommissioning a Node Manager or a Data node, if Resource Manager or Namenode are restarted, the exclude hosts file is getting overwritten with empty contents, causing the NM, DN to get recommisioned.

 

During NN, RM restart all_decommissioned_hosts is not set due to which in params_linux.py the exclude hosts file is getting created with empty content.

Issue Links

• Blocked: AMBARI-26001 ambari2.8 release
• links to: GitHub PR#3711