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

[Steffen Grunewald]

On Tue, 2018-12-18 at 11:35:15 +0100, Robert Markula wrote:
> 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?

I've written up something (6 pages plain text), and eventually found the
wiki itself, but now I need to get write access first.
Is this the right place to ask for it?

Cheers,
 Steffen

> 
> 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?
> 

-- 
Steffen Grunewald, Cluster Administrator
Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
Am Mühlenberg 1 * D-14476 Potsdam-Golm * Germany
~~~
Fon: +49-331-567 7274
Mail: steffen.grunewald(at)aei.mpg.de
~~~