NSX-T Manager 4.x restore failed

Products

• VMware NSX

Issue/Introduction

Help successfully restore NSX-T Manager.

Symptoms:

While restoring NSX-T Manager 4.x you may encounter the following error messages:

"Error: upstream connect error or disconnect/reset before headers. reset reason: connection termination (Error code: 503)" 
 

The above error may disappear after a while. Restore process will continue and then it will get stuck at Restore process failed, as show below:
Error copying inventory backup file from/to remote/local server: {/upload/NSX-ESX-R/inventory-summary/4.0.0.1.0.20159694-<UUID>-<IP Address>/inventory-<date&time>UTC.json=/image/backup/cluster/inventory_backup.json}.

 

 

Environment

VMware NSX

Resolution

No resolution available at this time.
Please follow workaround process.

Workaround:

1. Access the newly deployed NSX-T Manager via CLI.
2. Move to Engineering mode using st eng and provide root credentials.
3. Move to folder /image/backup/cluster/
4. Connect to sftp server using sftp credentials sftp <username>@<sftpserver>
5. Move to the folder where your inventory file is located /<sftppath>/inventory-summary/4.x.x.x.xxxx-<UUID>/inventory-<date>.json
6. Execute the command get inventory-<date>.json, hit enter.
7. Type exit and hit enter. (This will get the file copied over to the NSX-T Manager).
8. Rename the inventory file, mv inventory<date>.json inventory_backup.json
9. Go to NSX-T UI > System > Backup & Restore and hit retry this time restore will complete successfully. 
10. Follow restore procedure as usual. 

Additional Information

Impact/Risks:

NSX-T Manager cannot be restored.