[ovirt-users] Re: Weird problem starting VMs in oVirt-4.4

On 16-6-2020 19:44, Strahil Nikolov wrote: > Hey Joop, > > are you using fully allocated qcow2 images ? > > Best Regards, > Strahil Nikolov > I noticed that when I use import VM from an Export domain I see that it sometimes uses preallocated and sometimes thin-provisioned for the disk(s). Don't know why and I don't think there is a pattern.

Old VMs from 3.3 or new ones from 4.2/3, its mixed. I almost always use thin-provisioned but one or two could have been preallocated by accident. How do I check?

Joop > > На 16 юни 2020 г. 20:23:17 GMT+03:00, Joop <jvdwege(a)xs4all.nl&gt; написа: >> On 3-6-2020 14:58, Joop wrote: >>> Hi All, >>> >>> Just had a rather new experience in that starting a VM worked but the >>> kernel entered grub2 rescue console due to the fact that something >> was >>> wrong with its virtio-scsi disk. >>> The message is Booting from Hard Disk .... >>> error: ../../grub-core/kern/dl.c:266:invalid arch-independent ELF >> maginc. >>> entering rescue mode... >>> >>> Doing a CTRL-ALT-Del through the spice console let the VM boot >>> correctly. Shutting it down and repeating the procedure I get a disk >>> problem everytime. Weird thing is if I activate the BootMenu and then >>> straight away start the VM all is OK. >>> I don't see any ERROR messages in either vdsm.log, engine.log >>> >>> If I would have to guess it looks like the disk image isn't connected >>> yet when the VM boots but thats weird isn't it? >>> >> As a follow up I tried a couple of other things: >> - installed CentOS-7 and oVirt 4.3.10 using HCI and same problem >> (the previous install of 4.3 was a upgraded version. Don't know the >> start versie) >> - did some testing with copying large files into the engine gluster >> volume through /rhev/datacenter using 'cp' and no problems >> - used qemu-img convert with the engine gluster volume as destination >> --> problems >> - had a good look through lots of logfiles and stumbled across an error >> about missing shard which aligned with qemu-img errors >> - turned features.shard off on the volume and restarted the volume >> - reran the tests with qemu-img --> no problems any more. >> - reinstalled Centos8.2 + oVirt-4.0, turned off sharding before >> starting >> the engine install >> --> no problems installing, no problems importing, no problems starting >> vms, sofar >> >> I need to install another server tomorrow, so I'll do that with >> sharding >> enabled and see if it crashes too and then get the logs some place >> safe. >> >> Regards, >> >> Joop >> >> _______________________________________________ >> Users mailing list -- users(a)ovirt.org >> To unsubscribe send an email to users-leave(a)ovirt.org >> Privacy Statement: https://www.ovirt.org/privacy-policy.html >> oVirt Code of Conduct: >> https://www.ovirt.org/community/about/community-guidelines/ >> List Archives: >> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6TNJYNVBJWC... _______________________________________________ Users mailing list -- users(a)ovirt.org To unsubscribe send an email to users-leave(a)ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/7BPONTX2FDD...