Le 03/09/2020 à 15:49, Martin Perina a écrit :
>
>
> On Thu, Sep 3, 2020 at 2:56 PM Pierre pit <[email protected]
> <mailto:[email protected]>> wrote:
>
>     I have a communication problem between all the nodes and the
>     manager following the upgrade from 4.3 to 4.4. I followed the
>     procedure of update 4.3 to 4.4 everything worked correctly,
>     according to the import export scripts as well as the installation
>     setup on the new manager in 4.4, all is ok. Only after connection
>     to the manager, all the nodes are in a down state, there is no
>     more communication between the manager newly installed in 4.4 and
>     the nodes still in production in 4.3.
>
>     In the manager I have this message for all the nodes:
>     ` VDSM virtdell8 command Get Host Capabilities failed: PKIX path
>     validation failed: java.security.cert.CertPathValidatorException:
>     Algorithm constraints check failed on signature algorithm:
>     SHA256withRSA`
>
>
> Hi Pierre,
>
> Hmm, the following error is a bit misleading, but it gives a clue to
> me. Could you please check the key size of your ovirt-engine CA key?
>
> openssl x509 -text -noout -in /etc/pki/ovirt-engine/ca.pem | grep 'RSA
> Public-Key'

Hi Martin,

Thank you very much for your answer. indeed the size of the key is 1024
bits. I made the command "update-crypto-policies --set LEGACY" (I don't
know this command)
Everything is ok now. thank you very much for your expertise. \o/


>
> If your key size is less than 2048 bits, then you need to change
> crypto policy of your CentOS 8 to LEGACY using below steps:
>
> 1. Execute 'update-crypto-policies --set LEGACY'
> 2. Reboot the machine
>
> That should mitigate the issue, but I'm really curious, this should
> not happen unless your engine was installed in oVirt 3.0 era and then
> continuously upgraded up to 4.4, because we have switched to 2048 bits
> in 2012:


It has actually been a long time since I upgrade ovirt from version to
version. i had some mishaps with ovirt 2.2 and it seems to me since
ovirt 3.0 the upgrade is done regularly.


>
> https://gerrit.ovirt.org/4389
>
> Is this your case?
>
no, is not me

again thanks for your reply i could not find it all alone.

Regards,

Pierre


>
> Regards,
> Martin
>
>
>     And on the nodes:
>     ` 2020-09-01 17:38:13,083+0200 ERROR (Reactor thread)
>     [ProtocolDetector.SSLHandshakeDispatcher] ssl handshake: SSLError,
>     address: ::ffff:XXX.XXX.XXX.XXX (sslutils:264)
>      vdsm[4400]: ERROR ssl handshake: SSLError, address:
>     ::ffff:XXX.XXX.XXX.XXX`
>
>     After a search on the forums I found a similar error on version
>     4.2 only the solution of comment `ssl_excludes` in the
>     `/etc/vdsm/vdsm.conf` file but does not apply to my problem.
>
>     I unfortunately had to backtrack because it was no longer possible
>     to control ovirt and use the manager for our production. the new
>     machine with the manager in 4.4 is offline while a solution is found
>
>     Do you know where should I look in order to solve this problem?
>
>     thank you in advance
>     Pierre
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>
>
>
> -- 
> Martin Perina
> Manager, Software Engineering
> Red Hat Czech s.r.o.
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