grub-probe: info: cannot open `/boot/grub/device.map'.
grub-probe: info: Scanning for dmraid_nv RAID devices on disk hd0.
grub-probe: info: the size of hd0 is 976773168.
grub-probe: info: the size of hd0 is 976773168.
grub-probe: info: Scanning for dmraid_nv RAID devices on disk hd1.
grub-probe:
*sigh* I resized all my disks to be a bit smaller, but it still doesn't
help. Though the message has changed, now it's only
error: found two disks with the index 3 for RAID md0.
the index 0 message went away.
Any tips?
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Ill post the output of
/usr/sbin/grub-probe --device-map=/boot/grub/device.map --target=fs -v
/boot/grub
I resized the partition to be from sector 2048 to 976772000 (of
976773168).
/usr/sbin/grub-probe: info: cannot open `/boot/grub/device.map'.
/usr/sbin/grub-probe: info: Scanning for
I think you left the original metadata in place so both sets are being
recognized. Try using dd to zero the sectors from the end of the
partition to the end of the drive.
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You, Sir, are a pleasure to work with.
I did
dd if=/dev/zero bs=512 seek=976772001 of=/dev/sdX on each disk.
Though i'm not sure if seek should have been one less, do you know that?
Anyway, grub-install now only shows:
sudo grub-install /dev/sda
error: superfluous RAID member (4 found).
error:
Also: Does grub2 still need /boot/grub/device.map? The installer didn't
create one.
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https://bugs.launchpad.net/bugs/999076
Title:
Upgrade vom 10.04 LTS Server to 12.04 LTS Server
See http://savannah.gnu.org/bugs/?34250 for a workaround
** Bug watch added: GNU Savannah Bug Tracker #34250
http://savannah.gnu.org/bugs/?34250
** Also affects: grub via
http://savannah.gnu.org/bugs/?34250
Importance: Unknown
Status: Unknown
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Will this remove the superfluous RAID member warnings? Because they
are the only ones left.
I'm asking because i'm remotely logged into the machine and can't stop
the RAID to zero the superblock
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device.map is depreciated, so no, you shouldn't have one. Whether the
sector is correct depends on your new partition table ( fdisk -lu ).
Those errors still don't sound good but I'm not sure of the cause, maybe
try adding the verbose/debug flags back in?
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If you shrank the partition enough and zeroed the free space following
the partition, that should fix the errors. What is your current fdisk
-lu show?
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Hm. But at least it said installation finished.
Disk /dev/sda: 500.1 GB, 500107862016 bytes
18 heads, 30 sectors/track, 1808839 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes /
I though that 512k was enough room to prevent the partition metadata
from being detected on the whole disk, but maybe it was 1mb? Try grub-
probe --target=fs -v /boot/grub again.
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Can you please post the output of sudo mdadm -D /dev/md? and sudo
fdisk -lu?
** Changed in: grub2 (Ubuntu)
Status: New = Incomplete
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https://bugs.launchpad.net/bugs/999076
/dev/md0:
Version : 0.90
Creation Time : Sat Aug 28 16:19:54 2010
Raid Level : raid5
Array Size : 1465148736 (1397.27 GiB 1500.31 GB)
Used Dev Size : 488382912 (465.76 GiB 500.10 GB)
Raid Devices : 4
Total Devices : 5
Preferred Minor : 0
Persistence : Superblock is
Right now i'm trying to resize the individual partition to leave some
space at the end of the disk, since i think my bug might be related to
this: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/776422
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That's what I was thinking. By the way, how did you find that bug?
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https://bugs.launchpad.net/bugs/999076
Title:
Upgrade vom 10.04 LTS Server to 12.04 LTS Server breaks grub
To
By googling for a few hours, i can't reproduce my query though. Maybe
one should mention that since i don't want to rebuild my entire raid,
apparently it's ok for mdadm if you fail a disk, shrink the partition a
bit and re-add it. Apparently there's margin for error, at least mdadm
doesn't
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