Re: Problem when installing stretch with btrfs

[Pierre Couderc <pierre@couderc.eu>]

On 09/20/2017 01:59 PM, Steve McIntyre wrote:
> On Wed, Sep 20, 2017 at 01:29:22PM +0200, Pierre Couderc wrote:
> > On 09/20/2017 01:01 PM, Steve McIntyre wrote:
> > > On Wed, Sep 20, 2017 at 08:30:09AM +0200, Pierre Couderc wrote:
> > > > I am trying to install stretch on a computer with 2 btrfs disks and EFI.
> > > >
> > > > Is there a howto to do that ? Did someone success ?
> > > >
> > > > I get problems as soon as the partionning in debian installer. When I finish
> > > > the system does not boot.
> > > >
> > > > What partitions do I need ? I understand that EFI needs an FAT32 EFP.
> > > I've no idea about btrfs, but yes - you will need a FAT32 EFI System
> > > Partition. If you use guided partitioning, d-i will set one up for you
> > > automatically. If you're not doing guided partitioning, set one up
> > > manually within d-i and you should be fine.
> > Well, that is the problem, d-i does not propose a FAT32 EFI partition, it
> > proposes many things and a FAT32 partition but not a FAT32 EFI partition...
> > So, after all trials  I finish the install and fail to reboot. I can boot if
> > I put again my install iso disk (a USB key SDA in this case) and I get :
> >
> > Model: Generic Flash Disk (scsi)
> > Disk /dev/sda: 124GB
> > Sector size (logical/physical): 2048B/512B
> > Partition Table: mac
> > Disk Flags:
> >
> > Number  Start   End     Size   File system  Name   Flags
> > 1      2048B   6143B   4096B               Apple
> > 2      1925kB  2351kB  426kB               EFI
> >
> >
> > Model: ATA Hitachi HUA72302 (scsi)
> > Disk /dev/sdb: 2000GB
> > Sector size (logical/physical): 512B/512B
> > Partition Table: msdos
> > Disk Flags:
> >
> > Number  Start   End     Size    Type     File system  Flags
> > 1      1049kB  1000MB  999MB   primary  fat32        boot, esp
> > 2      1000MB  2000GB  1999GB  primary  btrfs
> sdb1 here *is* an EFI System Partition - that's what the esp and boot
> flags mean.
Fine, thank you. Why is it not detected as EFI like SDA1 ?
> I'm slightly worried by that "Apple" partition on sda - is this a Mac?
No !! I think it is mistake of parted. It is a flash usb key, filled by 
dd if=debian-9.1.0-amd64-netinst.iso
> > Model: ATA Hitachi HUA72302 (scsi)
> > Disk /dev/sdc: 2000GB
> > Sector size (logical/physical): 512B/512B
> > Partition Table: msdos
> > Disk Flags:
> >
> > Number  Start   End     Size    Type     File system  Flags
> > 1      1049kB  1000MB  999MB   primary  fat32        esp
> > 2      1000MB  2000GB  1999GB  primary
> >
> > I suppose I am not far, I need to transform my SDB1 in EFP, and install
> > something on it (what..?).
> What do you think an "EFP" is?? ESP is the normal name.
yes sorry (I am a bit lost).

Now, I think I need to install grub on sdb1, but it refuses :

root@nous:/# grub-install /dev/sdb1
Installing for i386-pc platform.
grub-install: warning: File system `fat' doesn't support embedding.
grub-install: error: filesystem `btrfs' doesn't support blocklists.