More details here: I just tested this (new) VM now on a CentOS 7 ISO. That worked perfectly fine. But as soon as I tried to attach the RHEL 8 Boot ISO, it did not work. The specific error I'm seeing is: Boot failed: Could not read from CDROM (code 0095). See below screenshot: [Screenshot from 2021-06-04 20-47-14.png] Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, June 4, 2021 8:27 PM, David White via Users <users@ovirt.org> wrote:
I uploaded the RHEL ISOs the same way I uploaded the Ubuntu ISOs: Navigate to Storage -> Disks and click Upload (so using the wizard).
Once the ISOs are in place, I've attached them to VMs the same way I've attached Ubuntu ISOs: Select the Virtual Machine, click Edit, go to Boot Options, click the checkbox beside "Attach CD" and change the First Device to CD-ROM.
The oVirt Manager is 4.4.6, but the cluster compatibility is stuck at 4.4.5 right now. This particular problem has been ongoing, though, since before I attempted to upgrade everything to 4.4.6.
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, June 4, 2021 9:29 AM, Strahil Nikolov <hunter86_bg@yahoo.com> wrote:
There should be no reason not to work. Did you select the ISO as bootable device ?
Maybe you can provide steps how you do it?
What is your oVirt version ?
Best Regards, Strahil Nikolov
On Fri, Jun 4, 2021 at 12:25, David White via Users <users@ovirt.org> wrote: Ever since I deployed oVirt a couple months ago, I've been unable to boot any VMs from a RHEL ISO. Ubuntu works fine, as does CentOS.
I've tried multiple RHEL 8 ISOs on multiple VMs. I've destroyed and re-uploaded the ISOs, and I've also destroyed and re-created the VMs.
Every time I try to boot a VM to a RHEL 8 ISO, the console just tells me that "No boot device" was found.
Can anyone think of any reason why other ISOs would work, when RHEL ISOs do not work? How can I troubleshoot this further? I really need to get a server up and running with Podman.
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