Well, huh. I ran grub from pve4 with --verbose first (as it was already installed) and tee'd to a log. Attached as "grub-pve4.txt".
Then I upgraded grub* to pve5 (via apt-get dist-upgrade) and re-ran the command. To my surprise, it worked. Attached as "grub-pve5.txt".
A little more...
4Kn drives only boot in UEFI? I could have sworn the hybrid Seagate 1TB I stuck in my laptop 18 months ago reported a 4K sector size and booted entirely as expected from legacy BIOS/MBR. Sorry if I misunderstood.
Sometimes the drive lies. My Samsung 850 SSD's report 512 bytes as sector size...
Don't even remember. PXE-booting or mounting live media in the IPMI; probably an old 4.0 ISO from ~Oct 2015. Then dist-upgrading the system.
After updating, grub-2.02pve5 breaks as reported.
All other versions I've upgraded to/through since Oct 2015 or so don't do this - and downgrading to...
After a failed ZFS install from the Proxmox installer, I think you need to clear ZFS information from the disk before trying again, or it'll never work. There's not a huge amount of info about the error in the installer - and I've never managed to get one to a shell prompt to examine/fix...
Hi.
We run our Proxmox hosts in ZFS RAID10 (on SSDs, not that that's especially relevant).
Typically, I install to a ZFS stripe from the Proxmox installer. This is nice and simple - however, afterwards, only one disk has an EFI BIOS partition (and thus is the only bootable disk - SPOF...
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