Error: "Bad Gateway" while upgrading SDDC Manager from 5.2.0 to 5.2.2 on step Refresh certificates

Products

• VMware SDDC Manager

Issue/Introduction

• Upgrading SDDC fails during Refreshing Custom Certificates
• 
•  SDDC services are in inactive/dead state
• 
• SDDC UI showing Bad Gateway error
• Restarting services not progressing  
• Disk space showing 100% for dev/mapper/data_vg-data
• 

Environment

SDDC Manager 5.2.0

vCenter Server 8.0.X

Cause

• Data partition where postgres saves data gets filled up

Resolution

1. Currently there is no resolution
2. As a workaround follow the steps from the KB VMware Cloud Foundation /data partition where postgres saves data gets filled up Note: Take Snapshot of the SDDC VM prior to executing the disk expansion steps
3. Once the steps from the above KB are done restart postgres

   systemctl restart postgres

4. Restart Operations Manager 

   systemctl restart operationsmanager

5. Restart Domain Manager 

   systemctl restart domainmanager

6. Continue with SDDC upgrade from SDDC UI