This is a dual bug:
Both upstream and RH are aware, avoid doing the update for now until we have the confirmation it's fixed.
@stormi we need someone assigned to this to monitor and report any news and progress.
Hi,
Indeed, XO anti affinity exists since 4 years in Xen Orchestra, see https://xen-orchestra.com/blog/xen-orchestra-5-57/
This is something else cooked by Citrix, so irrelevant while using XO anyway.
Investigating, thanks for the report!
Thanks @joncuddy
We have to get back to Dell with a very large customer to change their mind. Catch 22 issue, but we have more and more (very) large customers, so this will change.
@stormi we need to note that somewhere internally and monitor the opportunity to get back to Dell with a deal big enough to change their mind.
Hi,
For such issues, it's a lot better to create a support ticket. We could point you to get more detailed output (or serial) to understand exactly what's causing the boot to fail 
