Host-based backup of VMs running on Red Hat Virtualization, Oracle Linux Virtualization Manager, Scale Computing Hypercore, XCP-ng, HPE VM Essentials.
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gilland
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[BETA] [HPE] Issue testing VME worker

Post by gilland »

Hi,

We're able to succesfully create the worker but we aren't able to use the worker due to a credential tag issue

Image

Any solution for this?
Thank you
EvgenyBaev
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Re: [BETA] [HPE] Issue testing VME worker

Post by EvgenyBaev »

Hello,

This issue has been previously discussed in the following thread:
rhv-olvm-sc-hypercore-xcp-ng-hpe-vme-f6 ... 01296.html

When adding a server, a service account is created on each cluster node managed by that server. This account is used for SSH connections to the cluster nodes during backup operations in NBD mode. To achieve this, an execution script request is sent to the HPE side.

This issue may occur if, for some reason, SSH credentials could not be created on one of the cluster nodes. As a result, the corresponding credentials record is not added to the VBR database.

To troubleshoot, please ensure that the VBR server can connect to all cluster nodes. Afterwards, try running through the Edit HPE Server wizard.

Additionally, you can check the log file located at
*\Veeam\Plugins\HPE Morpheus VM Essentials\Service\Veeam.HPEMORPHEUSVME.PlatformSvc.log
for any errors that may occur when adding or editing an HPE server.

Please note: SSH credentials are used only in the beta version and will be removed in the 1.0 release.
gilland
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Re: [BETA] [HPE] Issue testing VME worker

Post by gilland »

Hi,

Thank you for the quick reply.
I tried readding the server, and got an error:

Code: Select all

6/01/2026 16:26:26 Failed : Failed to configure additional settings for the HPE Morpheus VM Essentials clusters: Permission denied (publickey). (0:00:28)
I've enabled the debug logs and included them here:
https://kuick.io/4VD370
It seems like the SSH connections can't be made due to a public key issue, but still the server was added.
cody.ault
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Re: [BETA] [HPE] Issue testing VME worker

Post by cody.ault »

Hey, I took a look at the logs. Can you provide some details about the hosts and how they were built? Did you use a generic Ubuntu image or the HPE pre-built host iso? Do you have the sshd_config customized to not allow public keys? Are you able to SSH to the host from the VBR server?
gilland
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Re: [BETA] [HPE] Issue testing VME worker

Post by gilland »

Hi, we used HPE prebuilt host iso and didn't customize anything in the sshd_config.
I'm not able to ssh to the host with the same credentials we use to login to the vmemanager.
We have seperate credentials for the linux user, and with these credentials it's possible to connect via ssh from the VBR server. Is there anyway we can define other credentials for the ssh connection?
vitaliy.yugay
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Re: [BETA] [HPE] Issue testing VME worker

Post by vitaliy.yugay »

Hi @gilland,
Thanks for details! According to logs you have provided, it looks like the veeam-service-user-* was successfully created on the host. But the execution request output for user creation and configuration is a bit different from what is expected. Could you SSH to your host and make some additional checks and share with us?
  • Get veeam user name:

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    sudo grep '^veeam-service-user-[^:]*:' /etc/passwd | awk -F: '{print $1}'
  • Check groups associated with the user (<username>, users, libvirt are expected):

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    sudo id -nG <username>
  • Check an authorized_keys file is not empty and has correct permissions (expected: -rw-------):

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    sudo ls -l /home/<username>/.ssh/authorized_keys

    Code: Select all

    sudo cat /home/<username>/.ssh/authorized_keys
  • Verify that SSH is accepting public key for authorization (expected: pubkeyauthentication yes) and there are no groups access limitations (nothing should be returned):

    Code: Select all

    sudo sshd -T | grep 'allowgroups'

    Code: Select all

    sudo sshd -T | grep 'pubkey'
Also, when you were confirming the issue with debug logs, did you remove and add the VME to your VBR Backup Infrastructure? Or did you just go through the 'Edit HPE Morpheus VM Essentials Server' wizard?
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