[bug #45021] grub install error in zfs raw-disk installation

[Kostya Berger]

URL:
  <http://savannah.gnu.org/bugs/?45021>

                 Summary: grub install error in zfs raw-disk installation
                 Project: GNU GRUB
            Submitted by: bergerkos
            Submitted on: Tue 05 May 2015 11:26:55 AM GMT
                Category: Disk &amp; Partition
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: bergerkos
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Git master
         Reproducibility: Every Time
         Planned Release: None

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Details:

I have a full (raw) disk ZFS pool. The pool created with command:
zpool create mypool /dev/ada0 (whole disk)

Then (after the OS installation) I install grub2 like this:
grub-install --modules=zfs --boot-directory=/boot /dev/ada0

With the latest git master version it gives back this error:
grub-install: warning: Attempting to install GRUB to a disk with multiple
partition labels.  This is not supported yet..
grub-install: error: filesystem `zfs' doesn't support blocklists.

1) Note, that with the 2.02~beta2 release this installs and works fine. 
2)Secondly, the disk in question contains no labels at all.
3)Only ZFS feature flags enabled, but then again this same git master grub2
installs perfectly well on a GPT-partitioned disk with zpool on a freebsd-zfs
partition, where all the same feature flags are activated. And there it works
fine, too, except for the bug mentioned in a separate report (not seeing
certain files).




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