Re: [ovirt-users] Hosted Engine won't start, how to debug?

Hi, but that isn't Thomas' case as he has an legacy deployment that was upgraded across versions. This might affect new installs of 4.2 only. Martin On Mon, Apr 16, 2018 at 10:04 AM, Simone Tiraboschi <stirabos(a)redhat.com&gt; wrote: > > > On Sat, Apr 14, 2018 at 1:47 PM, Martin Sivak <msivak(a)redhat.com&gt; wrote: >> >> Hi, >> >> the vnc device is there by default (I copied it out of my own hosted >> engine instance), I do not know why it was missing in your case. > > > http://docs.ansible.com/ansible/latest/modules/ovirt_vms_module.html#ovir... > > Anso so we have to consume it as well. > > I just opened https://bugzilla.redhat.com/show_bug.cgi?id=1567772 > to track it. > >> >> Best regards >> >> Martin Sivak >> >> On Fri, Apr 13, 2018 at 5:13 PM, Thomas Klute <klute(a)ingenit.com&gt; wrote: >> > Dear Martin, >> > >> > yes, that worked. Thank you so much!! >> > We were able to see that the latest kernel update failed and did not >> > create the initramfs file and thus the boot process failed with a kernel >> > panic. >> > >> > Debugging this problem took us many hours... It felt so complicated to >> > connect a vnc to this vm - compared to a bare metal setup with display >> > and keyboard. >> > Wouldn't it be a good idea to have the vnc device in the config by >> > default? >> > >> > Best regards, >> > Thomas >> > >> >> You need to be in global maintenance, but I think you already know >> >> that. >> >> Then try updating the vm.conf like you already did and add this line: >> >> >> >> >> >> devices={device:vnc,type:graphics,deviceId:f1d0394e-b077-4ea6-99e5-b9b6b8fe073c,address:None} >> >> >> >> Then restart the VM using hosted-engine commands and try the VNC >> >> approach again. >> >> >> >> Best regards >> >> >> >> Martin Sivak >> >> >> >> On Fri, Apr 13, 2018 at 2:35 PM, Thomas Klute <klute(a)ingenit.com&gt; >> >> wrote: >> >>> Dear Martin, >> >>> >> >>> thanks for the feedback. >> >>> We already read this and tried it. >> >>> It seems to me that the graphics device was removed from the hosted >> >>> engine by some ovirt release. >> >>> >> >>> If I try to set a console password I see this message: >> >>> >> >>> hosted-engine --add-console-password >> >>> Enter password: >> >>> no graphics devices configured >> >>> >> >>> Furthermore, there is nothing listening on port 5900 after that. >> >>> The HostedEngine qemu process shows a " -display none " as parameter >> >>> and >> >>> I have no idea where this can be changed. >> >>> >> >>> I already created a /var/run/ovirt-hosted-engine-ha/vm-custom.conf >> >>> containing: >> >>> display=vnc >> >>> kvmEnable=true >> >>> >> >>> But nothing changed. >> >>> I also edited the HostedEngine VM config using virsh and added a vnc >> >>> display: >> >>> /usr/bin/virsh -c >> >>> qemu:///system?authfile=/etc/ovirt-hosted-engine/virsh_auth.conf edit >> >>> HostedEngine >> >>> >> >>> <graphics type='vnc' port='12355' autoport='no' listen='0.0.0.0'> >> >>> <listen type='address' address='0.0.0.0'/> >> >>> </graphics> >> >>> <video> >> >>> <model type='qxl' ram='65536' vram='65536' vgamem='16384' >> >>> heads='1' primary='yes'/> >> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' >> >>> function='0x0'/> >> >>> </video> >> >>> >> >>> But there is still "display none" passed as command line parameter to >> >>> qemu and thus, I suppose, there's no display. >> >>> >> >>> Any help is appreciated, thanks, >> >>> Thomas >> >>> >> >>> >> >>>> Hi, >> >>>> >> >>>> the serial console will show output if the kernel knows to use it. >> >>>> >> >>>> The VNC approach is also possible and I believe we already have a >> >>>> graphical device present. What you are looking for is probably this >> >>>> (VNC method is described there): >> >>>> >> >>>> https://www.ovirt.org/documentation/how-to/hosted-engine/#handle-engine-v... >> >>>> >> >>>> Best regards >> >>>> >> >>>> -- >> >>>> Martin Sivak >> >>>> SLA / oVirt >> >>>> >> >>>> On Fri, Apr 13, 2018 at 11:26 AM, Thomas Klute <klute(a)ingenit.com&gt; >> >>>> wrote: >> >>>>> Dear oVirt Team, >> >>>>> >> >>>>> after trying to reboot a hosted engine setup on oVirt 4.2 the VM >> >>>>> won't >> >>>>> come up anymore. >> >>>>> The qemu-kvm process is there but we're unable to access the VM >> >>>>> using >> >>>>> - the serial console (simply does not show anything, does not react >> >>>>> to >> >>>>> characters typed) >> >>>>> - VNC / Spice because the hosted engine vm.conf does not contain any >> >>>>> graphics device. >> >>>>> >> >>>>> Before trying to reinstall, we'd like to recover and debug what is >> >>>>> going on. >> >>>>> We mounted a Centos7 install .iso and started the VM using >> >>>>> hosted-engine --vm-start >> >>>>> --vm-conf=/var/run/ovirt-hosted-engine-ha/vm-custom.conf >> >>>>> But we still have to problem, that the serial console does not show >> >>>>> anything and there is no way to connect using VNC. >> >>>>> >> >>>>> So, what is the recommended way to move forward in such situation? >> >>>>> IMHO the classical way would be to add a graphics device and connect >> >>>>> via >> >>>>> VNC? >> >>>>> I did not use the serial console much, up to now. Should the serial >> >>>>> console show any output during boot? >> >>>>> >> >>>>> Thanks for your help, >> >>>>> Thomas >> >>>>> >> >>>>> -- >> >>>>> >> >>>>> ________________________________________________________________________ >> >>>>> >> >>>>> Dipl.-Inform. Thomas Klute >> >>>>> klute(a)ingenit.com >> >>>>> Geschäftsführer / CEO >> >>>>> >> >>>>> ---------------------------------------------------------------------- >> >>>>> ingenit GmbH & Co. KG Tel. +49 (0)231 58 >> >>>>> 698-120 >> >>>>> Emil-Figge-Strasse 76-80 Fax. +49 (0)231 58 >> >>>>> 698-121 >> >>>>> D-44227 Dortmund >> >>>>> www.ingenit.com >> >>>>> >> >>>>> Registergericht: Amtsgericht Dortmund, HRA 13 914 >> >>>>> Gesellschafter : Thomas Klute, Marc-Christian Schröer >> >>>>> >> >>>>> ________________________________________________________________________ >> >>>>> >> >>>>> _______________________________________________ >> >>>>> Users mailing list >> >>>>> Users(a)ovirt.org >> >>>>> http://lists.ovirt.org/mailman/listinfo/users >> >>> Sollten noch Fragen offen sein, stehen wir Ihnen natürlich jederzeit >> >>> gerne zur Verfügung. >> >>> >> >>> Mit Grüßen aus Dortmund, >> >>> Thomas Klute >> >>> >> >>> -- >> >>> >> >>> ________________________________________________________________________ >> >>> >> >>> Dipl.-Inform. Thomas Klute >> >>> klute(a)ingenit.com >> >>> Geschäftsführer / CEO >> >>> >> >>> ---------------------------------------------------------------------- >> >>> ingenit GmbH & Co. KG Tel. +49 (0)231 58 >> >>> 698-120 >> >>> Emil-Figge-Strasse 76-80 Fax. +49 (0)231 58 >> >>> 698-121 >> >>> D-44227 Dortmund >> >>> www.ingenit.com >> >>> >> >>> Registergericht: Amtsgericht Dortmund, HRA 13 914 >> >>> Gesellschafter : Thomas Klute, Marc-Christian Schröer >> >>> >> >>> ________________________________________________________________________ >> >>> >> >> >> > >> > Sollten noch Fragen offen sein, stehen wir Ihnen natürlich jederzeit >> > gerne zur Verfügung. >> > >> > Mit Grüßen aus Dortmund, >> > Thomas Klute >> > >> > -- >> > ________________________________________________________________________ >> > >> > Dipl.-Inform. Thomas Klute klute(a)ingenit.com >> > Geschäftsführer / CEO >> > ---------------------------------------------------------------------- >> > ingenit GmbH & Co. KG Tel. +49 (0)231 58 698-120 >> > Emil-Figge-Strasse 76-80 Fax. +49 (0)231 58 698-121 >> > D-44227 Dortmund www.ingenit.com >> > >> > Registergericht: Amtsgericht Dortmund, HRA 13 914 >> > Gesellschafter : Thomas Klute, Marc-Christian Schröer >> > ________________________________________________________________________ >> > >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users > >