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Re: debian-installer: please default to grub-ieee1275 on powerpc instead


From: Frank Scheiner
Subject: Re: debian-installer: please default to grub-ieee1275 on powerpc instead of yaboot
Date: Sat, 23 Sep 2017 14:25:32 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

On 09/21/2017 10:37 PM, John Paul Adrian Glaubitz wrote:
[...]
I have one POWER7 machine that has been provided to me by IBM for testing
purposes and to host one of our buildds. I have performed a test installation
of openSUSE Tumbleweed on it.

Here's the partitioning scheme that is being used:

(parted) p
Model: Virtio Block Device (virtblk)
Disk /dev/vda: 42.9GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End     Size    Type     File system     Flags
  1      1049kB  2097kB  1049kB  primary                  boot, prep, type=41
  2      2097kB  2163MB  2161MB  primary  linux-swap(v1)  type=82
  3      2163MB  18.9GB  16.7GB  primary  btrfs           type=83
  4      18.9GB  42.9GB  24.0GB  primary  xfs             type=83

(parted)

Interestingly, /boot is part of the btrfs filesystem:

linux-mfl2:~ # mount | grep boot
/dev/vda3 on /boot/grub2/powerpc-ieee1275 type btrfs 
(rw,relatime,space_cache,subvolid=261,subvol=/@/boot/grub2/powerpc-ieee1275)
linux-mfl2:~ #

Do we have information about how it looks (e.g. is it Grub by default and then, where is it installed?) for a POWER8 machine with Debian Stretch (ppc64le) installed from an installer image?

If also working for ppc64 and powerpc architecture machines that way it could be straight-forward to use the same method (with respective partitioning schemes for Apple and IBM machines) there, too.

****

I'm currently updating my Xserve G4 from Wheezy over Jessie to Sid. From where I will install Grub. I thought it would be useful to first check if what I described in [1] for ppc64 will also work for powerpc with the "latest" Grub.

[1]: https://lists.debian.org/debian-powerpc/2017/09/msg00034.html



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