On 02.04.2013 17:53, poma wrote:
"grub2-probe: error: cannot find a GRUB drive…"
What causes this, and why?
grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub.cfg ...
Found theme: /boot/grub2/themes/system/theme.txt
/usr/sbin/grub2-probe: error: cannot find a GRUB drive for /dev/vda2
/dev/vdb2. Check your device.map.
Found linux image: /boot/vmlinuz-3.9.0-0.rc4.git0.1.fc20.i686.PAE
Found initrd image: /boot/initramfs-3.9.0-0.rc4.git0.1.fc20.i686.PAE.img
Found linux image: /boot/vmlinuz-0-rescue-e567d261136e65c44daec4be883d00f5
Found initrd image:
/boot/initramfs-0-rescue-e567d261136e65c44daec4be883d00f5.img
/usr/sbin/grub2-probe: error: cannot find a GRUB drive for /dev/vda2
/dev/vdb2. Check your device.map.
done
/boot/grub2/device.map:
# this device map was generated by anaconda
(hd0) /dev/vda
(hd1) /dev/vdb
(hd2) /dev/vda
(hd3) /dev/vdb
/proc/mounts:
/dev/vda2 / btrfs rw,seclabel,relatime,compress=lzo,space_cache 0 0
/dev/vda2 /home btrfs rw,seclabel,relatime,compress=lzo,space_cache 0 0
/dev/vda2 /boot btrfs rw,seclabel,relatime,compress=lzo,space_cache 0 0
btrfs filesystem show
Label: 'fedora' uuid: d5773e24-f14f-4d85-8fd3-b2b5457b4708
Total devices 2 FS bytes used 3.61GB
devid 2 size 18.03GB used 5.78GB path /dev/vdb2
devid 1 size 18.03GB used 5.79GB path /dev/vda2
Btrfs v0.20-rc1
btrfs filesystem df /
Data, RAID1: total=5.00GB, used=3.35GB
System, RAID1: total=32.00MB, used=4.00KB
System: total=4.00MB, used=0.00
Metadata, RAID1: total=768.00MB, used=262.83MB
grub2-mkconfig -o /dev/null
Generating grub.cfg ...
Found theme: /boot/grub2/themes/system/theme.txt
/usr/sbin/grub2-probe: error: cannot find a GRUB drive for /dev/vda
/dev/vdb. Check your device.map.
Found linux image: /boot/vmlinuz-3.9.0-0.rc5.git0.2.fc20.i686.PAE
Found initrd image: /boot/initramfs-3.9.0-0.rc5.git0.2.fc20.i686.PAE.img
Found linux image: /boot/vmlinuz-0-rescue-e567d261136e65c44daec4be883d00f5
Found initrd image:
/boot/initramfs-0-rescue-e567d261136e65c44daec4be883d00f5.img
/usr/sbin/grub2-probe: error: cannot find a GRUB drive for /dev/vda
/dev/vdb. Check your device.map.
done
/boot/grub2/device.map:
# this device map was generated by anaconda
(hd0) /dev/vda
(hd1) /dev/vdb
(hd2) /dev/vdc
(hd3) /dev/vdd
/proc/mounts:
/dev/vda / btrfs rw,relatime,space_cache 0 0
btrfs filesystem show
Label: none uuid: 78448190-f468-4747-8adf-0d1188bd2b6b
Total devices 2 FS bytes used 2.06GB
devid 2 size 10.00GB used 3.01GB path /dev/vdb
devid 1 size 10.00GB used 3.03GB path /dev/vda
Btrfs v0.20-rc1
btrfs filesystem df /
Data, RAID0: total=4.00GB, used=1.94GB
Data: total=8.00MB, used=0.00
System, RAID1: total=8.00MB, used=4.00KB
System: total=4.00MB, used=0.00
Metadata, RAID1: total=1.00GB, used=124.13MB
Metadata: total=8.00MB, used=0.00
So far, "grub2-probe: error: cannot find a GRUB drive…" has nothing to
do with subvolumes - in this configuration, there are none.
Stay tuned. :)
poma