Most probably it's related to ssh. Did you alter your sshd config ? oVirt needs password-less access to root. Best Regards, Strahil Nikolov On Sat, May 29, 2021 at 14:30, lejeczek via Users <users(a)ovirt.org&gt; wrote: Hi guys I'm trying to install HE on a KVM host and installer cannot get pass this: [ ERROR ] OSError: [Errno 24] Too many open files [ ERROR ] fatal: [localhost]: FAILED! => {"msg": "Unexpected failure during module execution.", "stdout": ""} [ INFO  ] TASK [ovirt.ovirt.hosted_engine_setup : Sync on engine machine] [ ERROR ] fatal: [localhost]: FAILED! => {"msg": "Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint to your known_hosts file to manage this host."} [ ERROR ] Failed to execute stage 'Closing up': Failed executing ansible-playbook [ INFO  ] Stage: Clean up KVM itself should be satisfying in terms of requirements, as a setup of a HE version from 'master' repo worked previously on it. Any ideas & thoughts shared, on what is that cryptic error message saying and how to troubleshoot I'll very much appreciate. many thanks, L. _______________________________________________ Users mailing list -- users(a)ovirt.org <mailto:users@ovirt.org> To unsubscribe send an email to users-leave(a)ovirt.org <mailto:users-leave@ovirt.org> Privacy Statement: https://www.ovirt.org/privacy-policy.html <https://www.ovirt.org/privacy-policy.html> oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ <https://www.ovirt.org/community/about/community-guidelines/> List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/6X7UBMGLFS4... <https://lists.ovirt.org/archives/list/users@ovirt.org/message/6X7UBMGLFS4...

So the Hypervisor is complete vanilla without any alterations ? Do you get any output from 'rpm -V openssh-server' ? Best Regards, Strahil Nikolov On Sun, May 30, 2021 at 17:14, lejeczek via Users <users(a)ovirt.org&gt; wrote: On 29/05/2021 19:29, Strahil Nikolov wrote: > Most probably it's related to ssh. > Did you alter your sshd config ? > > oVirt needs password-less access to root. > > Best Regards, > Strahil Nikolov > >    On Sat, May 29, 2021 at 14:30, lejeczek via Users >    <users(a)ovirt.org <mailto:users@ovirt.org>> wrote: >    Hi guys > >    I'm trying to install HE on a KVM host and installer >    cannot >    get pass this: > >    [ ERROR ] OSError: [Errno 24] Too many open files >    [ ERROR ] fatal: [localhost]: FAILED! => {"msg": >    "Unexpected >    failure during module execution.", "stdout": ""} >    [ INFO  ] TASK [ovirt.ovirt.hosted_engine_setup : Sync on >    engine machine] >    [ ERROR ] fatal: [localhost]: FAILED! => {"msg": "Using a >    SSH password instead of a key is not possible because >    Host >    Key checking is enabled and sshpass does not support >    this. >    Please add this host's fingerprint to your known_hosts >    file >    to manage this host."} >    [ ERROR ] Failed to execute stage 'Closing up': Failed >    executing ansible-playbook >    [ INFO  ] Stage: Clean up > >    KVM itself should be satisfying in terms of >    requirements, as >    a setup of a HE version from 'master' repo worked >    previously >    on it. > >    Any ideas & thoughts shared, on what is that cryptic >    error >    message saying and how to troubleshoot I'll very much >    appreciate. >    many thanks, L. >    _______________________________________________ >    Users mailing list -- users(a)ovirt.org <mailto:users@ovirt.org> >    <mailto:users@ovirt.org <mailto:users@ovirt.org>> >    To unsubscribe send an email to users-leave(a)ovirt.org <mailto:users-leave@ovirt.org> >    <mailto:users-leave@ovirt.org <mailto:users-leave@ovirt.org>> >    Privacy Statement: > https://www.ovirt.org/privacy-policy.html <https://www.ovirt.org/privacy-policy.html> >    <https://www.ovirt.org/privacy-policy.html <https://www.ovirt.org/privacy-policy.html>> >    oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ <https://www.ovirt.org/community/about/community-guidelines/> >    <https://www.ovirt.org/community/about/community-guidelines/ <https://www.ovirt.org/community/about/community-guidelines/>> >    List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/6X7UBMGLFS4... <https://lists.ovirt.org/archives/list/users@ovirt.org/message/6X7UBMGLFS4... >    <https://lists.ovirt.org/archives/list/users@ovirt.org/message/6X7UBMGLFS4... <https://lists.ovirt.org/archives/list/users@ovirt.org/message/6X7UBMGLFS4... > Which ssh config, where? This is fresh installation with "ovirt-hosted-engine-usetup". thanks, L. _______________________________________________ Users mailing list -- users(a)ovirt.org <mailto:users@ovirt.org> To unsubscribe send an email to users-leave(a)ovirt.org <mailto:users-leave@ovirt.org> Privacy Statement: https://www.ovirt.org/privacy-policy.html <https://www.ovirt.org/privacy-policy.html> oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ <https://www.ovirt.org/community/about/community-guidelines/> List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/F7F7WD6O5MK... <https://lists.ovirt.org/archives/list/users@ovirt.org/message/F7F7WD6O5MK...