On Thu, Oct 21, 2021 at 7:11 PM Matt Schuler <mschu...@bsgtech.com> wrote:
>
> Just wondering if it is possible to install windows on the 4.4.9?  (I am 
> running 4.4.9 and node 4.4.8, I don’t node is built yet for .9)
>
>
>
> The issue I am having is changing CDs, when I try to change it get the 
> following error: (Both ISOs are uploaded though the GUI on block storage, 
> iSCSI)
...
> ERROR FINISH changeCD error=Failed to change disk image
>
> Traceback (most recent call last):
>
> File "/usr/lib/python3.6/site-packages/vdsm/virt/vm.py", line 5005, in 
> _update_disk_device
>
> disk_xml, libvirt.VIR_DOMAIN_DEVICE_MODIFY_FORCE)
>
> File "/usr/lib/python3.6/site-packages/vdsm/virt/virdomain.py", line 101, in f
>
> ret = attr(*args, **kwargs)
>
> File "/usr/lib/python3.6/site-packages/vdsm/common/libvirtconnection.py", 
> line 131, in wrapper
>
> ret = f(*args, **kwargs)
>
> File "/usr/lib/python3.6/site-packages/vdsm/common/function.py", line 94, in 
> wrapper
>
> return func(inst, *args, **kwargs)
>
> File "/usr/lib64/python3.6/site-packages/libvirt.py", line 3237, in 
> updateDeviceFlags
>
> raise libvirtError('virDomainUpdateDeviceFlags() failed')
>
> libvirt.libvirtError: internal error: unable to execute QEMU command 
> 'blockdev-add': 'file' driver requires 
> '/rhev/data-center/mnt/blockSD/XX/images/XX/XX' to be a regular file

This is https://bugzilla.redhat.com/1990268

It is fixed in:
$ git describe 6094e672781f593767dc313ebd53d23334511f5a
v4.40.90.1-7-g6094e6727

You need to upgrade vdsm.

The only workaround for now is to use  a file based storage domain
(e.g. NFS) for the ISO
images.

When the issue is fixed, you can copy the ISO disks to another storage
domain, and remove
the file based domain.

Nir
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