oVirt node upgrade is failing after the "Stop services" step? It's probably a simple fix - /var might be running out of space. Read on to confirm with me.
I have multiple hosts which I have upgraded multiple times throughout oVirt's 4.4 and 4.5 lifecycle so far …
I needed to migrate my vProtect server from CentOS 7 to something EL8 based. As there's no good way to in-place upgrade, I needed to "restore" the vProtect server installation on to a new install.
I had to replace the hardware of a server that was booting in UEFI mode with a board that only supported legacy booting, so I also needed to convert the system back to MBR.
This machine was previously booting in UEFI mode happily, until the motherboard failed. I …