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[bug #45277] grub-probe warnings on LVM system if LVM is on entire disk


From: Jayson Willson
Subject: [bug #45277] grub-probe warnings on LVM system if LVM is on entire disk (/dev/sda) not on partition (/dev/sda1)
Date: Mon, 08 Jun 2015 19:08:21 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:37.0) Gecko/20100101 Firefox/37.0

URL:
  <http://savannah.gnu.org/bugs/?45277>

                 Summary: grub-probe warnings on LVM system if LVM is on
entire disk (/dev/sda) not on partition (/dev/sda1)
                 Project: GNU GRUB
            Submitted by: jaysonwillson245
            Submitted on: Mon 08 Jun 2015 07:08:19 PM GMT
                Category: Configuration
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: 2.02~beta1
         Reproducibility: Every Time
         Planned Release: None

    _______________________________________________________

Details:

I have the following partitioning: two disks, one is LVM physical volume
(pvcreate /dev/sda), another one has 100mib fat32 partition for /boot/efi
(/dev/sdb1) and another partition (/dev/sdb2) is also LVM physical volume.
With such setup, system boots successfully (debian 8.1), but every time I run
grub-install I see the following error:
"/usr/sbin/grub-probe: warning: couldn't find physical volume 'pv0'. Some
modules may be missing from core image."
If I remove my first physical volume, create a GPT partition table on
/dev/sda, create /dev/sda1 partition and make it a physical volume, include it
in my volume group, grub-install runs without any errors/warnings. I tried
creating separate /boot partition outside LVM - still nothing changes.




    _______________________________________________________

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  <http://savannah.gnu.org/bugs/?45277>

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