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oVirt: unable to upload image to disk – Resolve it now

by | Mar 2, 2021

Are you stuck with ‘ovirt: unable to upload the image to disk’ error? We can help you fix it.

Recently, one of our customers was trying to import a Citrix Netscaler VM to Ovirt and was provided a qcow2 disk image for KVM to import. He attempted to import the disk image through the Ovirt UI, but keep getting the error:

Unable to upload image to disk 49ac9ed3-35b8-4f18-a0dd-1bc05c37c0d5 due to a network error. Make sure ovirt-imageio-proxy service is installed and configured, and ovirt-engine’s certificate is registered as a valid CA in the browser.

Here at Bobcares, we have seen several such Virtualization-related queries as part of our Server Management Services for web hosts and online service providers.

Today we’ll take a look at how to fix oVirt error.

 

How we resolve ovirt: unable to upload the image to disk error

Now let’s take a look at how our Support Engineers resolve this error.

1. First, we check if the certificate is in place or not and ovirt-imageio-proxy service is running. In order to check it, we run the below command.

# systemctl status ovirt-imageio-proxy

In case, if the service is not running then we follow the below steps.

The key file for SSL connections are:

ssl_key_file = /etc/pki/ovirt-engine/keys/imageio-proxy.key.nopass

The certificate file for SSL connections are:

ssl_cert_file = /etc/pki/ovirt-engine/certs/imageio-proxy.cer

Now, we change the default in /etc/ovirt-imageio-proxy/ovirt-imageio-proxy.conf

from

# Wrap incoming connections with SSL

use_ssl = true

to

# Wrap incoming connections with SSL

use_ssl = false

Now, the service will start and then it will listen to tcp port 54323. However, this is not secure.

2. We restart ‘overt-imageio-daemon’ service in the server. Then we check whether it is possible to upload. If we still cannot upload then we run the below command in the server.

journalctl -xeu overt-imageio-daemon

3. The ports that are necessary must be open in iptables in order to allow the connection between ovirt-imageio-proxy and ovirt-imageio-daemon services. Port 54322 must be open for input requests in the server and also for output requests where the proxy resides or whatever reason for the host is not reachable.

4. Even after opening the port in iptables, if the status of the service is Locked, we check the connectivity log in the Ovirt Engine server and the host server. This issue is related to miscommunication between “ovirt-imageio-proxy” at the ovirtEngine, and “ovirt-imageio-daemon” and “vdsm” at the “Host” side. So we upgrade “ovirt-imageio-proxy”.

ovirtEngine side logs:

/var/log/ovirt-engine/engine.log
/var/log/ovirt-imageio-proxy/image-proxy.log

Host side logs:

/var/log/ovirt-imageio-daemon/daemon.log
/var/log/vdsm/vdsm.log

5. We upgrade the ovirtEngine server to the latest release and reboot the servers.

[Need any further assistance with oVirt queries? – We’re available to help you]

 

Conclusion

Today, we saw how our Support Engineers fix ‘ovirt: unable to upload image to disk’ error.

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