Hi,

im running an oVirt 4.2.8 cluster with two nodes. A few days ago, my SSL certificates expired. After that, i changed all the certificates on the engine via "engine-upgrade" command and issued new vdsm client certificates. Then i copied the new certificates to my ovirt nodes and restarted vdsmd (systemctl restart vdsmd). 

Now i'm still not able to connect to my ovirt nodes. In the engine log i can see the following error: 

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2022-09-01 18:25:51,822+02 INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to /192.168.xx.xx

2022-09-01 18:25:51,827+02 ERROR [org.ovirt.vdsm.jsonrpc.client.reactors.Reactor] (SSL Stomp Reactor) [] Unable to process messages The server selected protocol version TLS10 is not accepted by client preferences [TLS12]

2022-09-01 18:25:51,829+02 ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (EE-ManagedThreadFactory-engineScheduled-Thread-88) [] Unable to RefreshCapabilities: VDSNetworkException: VDSGenericException: VDSNetworkException: The server selected protocol version TLS10 is not accepted by client preferences [TLS12]

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I searched my vdsm client config but i cannot see any specific TLS version set (every option with TLS is commented - seems to be the default): 

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$grep -R -i TLS /etc/vdsm/

/etc/vdsm/vdsm.conf:# ssl_protocol = tlsv1

/etc/vdsm/vdsm.conf:# https://docs.python.org/2/library/ssl.html. e.g. OP_NO_TLSv1,

/etc/vdsm/vdsm.conf:# OP_NO_TLSv1_1 By default tlv1, tlsv1.1 and tlsv1.2 are enabled.

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On the engine i didn't find any setting to set a specific TLS version - there seems to have been a setting (VdsmSSLProtocol) but that got deprecated years ago. 

Does anybody know why my engine is still not able to connect to the client vdsmd?

I also tried to set "ssl_protocol = tlsv1" via vdsm.conf but that didn't work ... 

Thanks

Regards,

Kilian

PS: 

Name       : vdsm

Architektur : x86_64

Version    : 4.19.37

Ausgabe    : 1.el7.centos

Name       : ovirt-engine

Architektur : noarch

Version    : 4.2.8.2

Ausgabe    : 1.el7