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Re: Can't boot after harddrive replacement

On Sun, 11 May 2014, Itay Furman wrote:


Date: Sun, 11 May 2014 14:08:51 +0300
From: Itay Furman <itayf@fastmail.fm>
To: debian-user@lists.debian.org
Subject: Re: Can't boot after harddrive replacement
Resent-Date: Sun, 11 May 2014 11:24:42 +0000 (UTC)
Resent-From: debian-user@lists.debian.org

On Sun, May 11, 2014, at 01:39 PM, Joel Rees wrote:

On Sun, May 11, 2014 at 7:29 PM, Itay <debian@itayf.fastmail.fm> wrote:


[snip]


Indeed I had grub2 installed.
Given that I repopulated the new disk manually, by a series of rsync
commands, I suspect that I failed copying some of the critical boot
data.  But how to identify that?


This seems like a kind of obvious question, but can you still mount
the old drive to run recursive diffs? start with  /boot and /etc, for
instance.



Hi,

It's a small form factor computer so I can install only one hard drive
at a time.  The diff would have to be done in two steps: old vs. backup,
and then backup vs. new hdd.  So it will take time until I have results.


diff between new drive and backup looked ok.
As mentioned above I cannot compare directly old and new.


Another thing you need to check is whether rsync successfully
replicated the metadata appropriately. Some essential servers will
refuse to run if the permissions are too loose or the owner:group is
incorrect.
The permissions and ownership of important files and directories seem to be ok, judging based on backup and the permissions on the live system files. 

Itay



IIRC diff should be able to report on differences in file meta data.
Please note that it's a home desktop: no special services are running; I
did not impose (knowingly) any security steps beyond the defaults
provided during installation.
(Unfortunately I am far from being experienced system-administrator -- I
am merely a user who likes using debian at home...)

Many thanks,
Itay


--
Joel Rees

Be careful where you see conspiracy.
Look first in your own heart.


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  Itay Furman          itayf@fastmail.fm
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