On Tue, 31 Aug 2021 14:21:35 -0400, Rich Freeman wrote: > > If you are multibooting frequently and getting into the UEFI boot > > menu to change the boot order or running efibootmgr is too much > > hassle, then a 3rd party boot manager will be useful. Your choice of > > GRUB, rEFInd, systemd-boot, syslinux, EFI executable image will be > > installed and loaded/run by the UEFI firwmare from the ESP, with > > which in turn you will select and load your desired OS. > > > > So, which (if any) of these options supports either: > > 1. An EFI partition plus /boot on zfs (with no limitations on pool > config, ie it can be a root pool). > 2. An EFI partition that contains everything. > > If I want to use grub+EFI with a zfs root it sounds like I'd need TWO > boot partitions - an EFI partition (FAT32), and a /boot partition > (anything, but if ZFS it needs to have controlled features). That > seems even more messy than what I'm doing now.
systemd-boot and refind both support everything on EFI. I am pretty sure GRUB does too, but I have no reason to use GRUB with EFI. My setup on this box is /boot on FAT32 and / (and everything else) on btrfs. I've also used the same setup with ZFS. -- Neil Bothwick If a book about failures doesn't sell, is it a success?
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