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Bug#775560: marked as done (upgrade-reports: Wheezy -> Jessie: machine becomes unbootable due to missing Grub)

Your message dated Thu, 4 Mar 2021 14:00:11 +0100
with message-id <082eed9f-986f-4b89-d7e1-75dc280bfce3@debian.org>
and subject line upgrade report for EOL Debian release
has caused the Debian Bug report #775560,
regarding upgrade-reports: Wheezy -> Jessie: machine becomes unbootable due to missing Grub
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
775560: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=775560
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: upgrade-reports
Severity: critical
Tags: d-i
Justification: breaks the whole system


Hi,

I recently upgraded a server (amd64) from Squeeze to Wheezy, and from
there to Jessie. The upgrade from Squeeze to Wheezy went fine, but after
upgrading to Jessie, the machine would not boot anymore, spewing some
messages about something not found on the screen before dropping into
the grub shell. It turned out that the new version of Grub had not been
installed on the drives, but the old version had been deleted already.

I first tried to resurrect the situation using the rescue mode of the
d-i CD to re-install Grub on the drive(s), but that failed on all
devices. I had to pop in a rescue CD (Finnix in my case) to mount all
partitions in order, chroot to the real system, then

# grub-install /dev/sda
# grub-install /dev/sdb
# grub-install /dev/md0

After that, the machine came back up properly.

The machine has the following partitioning scheme:

/dev/md/0 -> /boot
/dev/md/1 -> LVM PV

Inside the PV, I have /root , swap etc.pp.

It might have been the case that re-installing Grub failed because I
changed the mdadm configuration as instructed in the Squeeze->Wheezy
upgrade notes from

ARRAY /dev/md/0 something
ARRAY /dev/md/1 something

to

ARRAY /dev/md0 something
ARRAY /dev/md1 something

(after doing the suggested checks, as instructed).

I changed that back to

ARRAY /dev/md/0 something
ARRAY /dev/md/1 something

I think I did that before doing the grub-install dance, but after that,
the machine came back online just fine.


HTH,
--Toni++



-- System Information:
Debian Release: 7.8
  APT prefers stable
  APT policy: (990, 'stable'), (90, 'testing'), (70, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-0.bpo.4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

--- End Message ---
--- Begin Message --- 
Dear reporter,

Thanks for taking the time long ago to submit your upgrade report. I'm
closing these reports now because the Debian releases they were reported
against have reached their end-of-life (some long ago).

Unfortunately it's possible that the report I'm now closing may still
have relevant information for the current release (bullseye). If you
believe that's the case, don't hesitate to reopen the bug, retitle it
and provide further information and it will be seen during the current
freeze period of Debian.

Paul

Attachment: OpenPGP_signature
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--- End Message ---
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