Backup configuration fails with the SSH related error message

Products

• VMware Cloud Foundation

Issue/Introduction

In the /var/log/vmware/vcf/sddc-support/vcf-sos.log you will find the message below:

Exception while checking path /home/sddc_bk/test_backup and write permission on server 172.28.189.251
com.vmware.vcf.secure.ssh.errors.VcfSshException: Failed to establish SSH session to 172.28.189.251

Environment

VMware Cloud Foundation 4.3.1
VMware Cloud Foundation 4.x
VMware Cloud Foundation 4.4.x

Resolution

Currently there is no resolution to this issue.

Workaround:

To help the customer get unblocked follow this workaround:

1. SSH to SDDC Manager with vcf and su to root
2. View the Current settings.

   curl localhost/appliancemanager/securitySettings

3. Set certificateValidation to false.

   curl 'http://localhost/appliancemanager/securitySettings' -X POST -H 'Content-Type: application/json' -H 'Accept: application/json' -d '{"fipsMode":false,"certificateValidationEnabled":false}'

4. Execute the backup-configuration.
5. Set certificateValidation to true.

   curl 'http://localhost/appliancemanager/securitySettings' -X POST -H 'Content-Type: application/json' -H 'Accept: application/json' -d '{"fipsMode":false,"certificateValidationEnabled":true}'