dell 2850 initrd problem.

Ron Croonenberg ronc at depauw.edu
Fri Jun 4 12:48:06 CDT 2010


Jefferson Ogata wrote:
> I meant the other way around. If the two backup systems are "fried" but
> you can get their disks running on alternate "non-fried" systems, you
> can recover your data from those.
>   

gotcha.   well the one machine was not a raid,  and one drive is toast, 
doesn't even spin.

The other one (the backup tape server)  has no files, they are on 
tape,   but  the tape drive/controller is not working. (looking into 
getting another one)

>> question:  since  I have a broken filesystem,  does it even make sense
>> to make a disk image of it?  or do you mean just for backup? (that if I
>> break it, I still have the broken stuff I started with?)
>>     
>
> Yes, it does make sense, and for the reason you surmise.
>
> Ideally you would get a disk image onto another system as an LV, take a
> snapshot of that, and then work with the snapshot. Then if things go
> awry, you just drop the snapshot and make a new one.
>
> If you're lucky, what's happened is that the /etc directory file has
> been damaged but that all of the objects it linked to are intact. fsck
> will reparent these objects under /lost+found if so.
>
>   
that makes sense.  There are a bunch of  startup files in /etc that seem 
to be damaged.
I noticed that browsing through /etc

> But there may be other damage as well.
>
> But even if you can't recover /etc, you may well be able to recover the
> data you're really interested in.
>
> And even if files have been orphaned and fsck doesn't reattach them
> under /lost+found you may be able to recover them using debugfs.
>
>   
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>   


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