Yes, it can be done - Re: Install ZFS root with FAI?

[Robert Markula]

Hi Steffen,

great to hear! Maybe you could write it up in the FAI wiki when you're
ready so things don't get lost in the mailman archive?

Cheers,


Robert


Am 18.12.18 um 10:22 schrieb Steffen Grunewald:
> Finally, I succeeded.
>
> Boot mode set to Legacy, PXE boot into FAI, with classes, hooks
> and scripts.
> It will take a few more days to iron out minor mistakes, before
> I can start to make this public ;)
>
> I will write up everything I did. Basically, I used input from
> the following documents, with a few own ideas, and suggestions
> from this list added:
> - "Debian Stretch Root on ZFS" (github.com/zfsonlinux/zfs/wiki)
> - "ZFS Install Guide" (www.funtoo.org)
> - "Booting a ZFS Root via UEFI on Debian" (www.thecrosseroads.net)
>
> Somehow I failed to get /boot/efi mounted at the right point when
> I ran an almost identical install with UEFI enabled, but I'm
> lucky that my SuperMicro hardware still has a Legacy mode.
>
> I'd like to ask for your patience - tomorrow is my last working
> day for this year, and there are lost of (non-FAI, non-ZFS)
> problems to be settled.
>
> Enjoy the time with family, friends or just private projects.
>
> See you next year then!
> Cheers,
>  Steffen
>
>>> Setting up a root zpool mirroring three disks, I get
>>> BOOT_DEVICE="/dev/disk/by-id/ata-INTEL_SSDSC2KW128G8_PHLA805104HX128BGN /dev/disk/by-id/ata-INTEL_SSDSC2KW128G8_PHLA805102QH128BGN /dev/disk/by-id/ata-INTEL_SSDSC2KW128G8_PHLA805007K6128BGN"
>>> 10-setup although converts this to
>>> GROOT="(hostdisk//dev/sda) (hostdisk//dev/sdm) (hostdisk//dev/sdn)"
>>> grub-install: error: cannot find a GRUB drive for hostdisk//dev/sda.  Check your device.map.
>>> but I remember having seen a different problem then. Got to rinse
>>> and repeat.
>> Actually what I might have been missing is the addition of a BIOS boot partition
>> to the GPT, as described in https://www.funtoo.org/ZFS_Install_Guide - I will
>> add that to the mountdisks hook, and rerun the installation.
>>> BTW, as the linux-headers package gets consistently installed after the
>>> spl-dkms one, a trick similar to the nfsroot hook described earlier is
>>> also necessary to get the modules built inside the target chroot.
>> Is there a trick in FAI to force an installation order?