Prerequisites Required Prior to Server Resiliency Actions on the BDA
(Doc ID 2240618.1)
Last updated on OCTOBER 22, 2024
Applies to:
Big Data Appliance Integrated Software - Version 4.0 and laterLinux x86-64
Goal
This note provides a list of prerequisites to perform prior to any server resiliency actions. Not all may be possible to implement at all times, but the list should be followed as best as possible.
Server resiliency actions are: node migration, node reprovision, node decommission, node recommission.
Solution
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In this Document
| Goal |
| Solution |
| Prerequisites for Clusters with Custom Certificates |
| Prerequisistes for BDA 5.2 |
| Prerequisites for Backups |
| Prerequisites for the Base Image |
| Prerequisites for MySQL |
| Prerequisites for Clusters where the OS was Migrated from OL6 to OL7 |
| Prerequisites for Health Checks |
| Prerequisites for umask |
| Prerequisites for Very Large BDA Clusters |
| Prerequisites for Login Banners and motd |
| Prerequisites for MACs and Ciphers Values in ssh_config |
| Prerequisites for Roles that Need Special Consideration |
| Prerequisites to Avoid Problems with the NameNodes |
| Prerequisites for Passwords |
| Prerequisites for the Balancer |
| Prerequisites for the bda Repository |
| Prerequisites for Proxies |
| Prerequisites for CM API Language |
| Prerequisites for the Network Files and Conf files |
| Prerequisites for non-BDA Nodes |
| Prerequisites for the httpd Service |
| Prerequisites for CM Properties |
| Prerequisites for Testing Node Migration |
| Prerequisites for Older BDA Versions 4.0-4.5 |
| Final Prerequisite |
| References |