Recover from system down status

[Liam Proven]

On 1 May 2011 21:29, PIYUSH SINGH <meetpiyush2006 at gmail.com> wrote:
>
>
> On Mon, May 2, 2011 at 12:27 AM, Liam Proven <lproven at gmail.com> wrote:
>>
>> On 1 May 2011 19:54, PIYUSH SINGH <meetpiyush2006 at gmail.com> wrote:
>> > hi
>> > i was upgrading my system from 10.10 to 11.04 then suddenly the power
>> > went
>> > down and my system got switched off .
>> > now the root file system is not being mounted either manually or if i
>> > try to
>> > recover it it's mounted with only a read only status even with root
>> > account
>> > .
>> > The system specs are
>> > Compaq presario Cq45-207tu notebook
>> > with intel dual core processor .
>> >
>> > Please help i cannot format the filesystem as i have important documents
>> > in
>> > it .
>> >
>> >
>> > thanks in advance
>>
>> Isn't read-only access enough for you to copy off your important
>> documents etc. onto external media? You should be able to do this
>> booted off a LiveCD. If you have settings and things you need to
>> retain, copy your entire home directory:
>>
>> /home/{yourusername}
>>
>> Once you have 1 or ideally 2 copies of everything, I recommend that
>> you wipe, reformat and reinstall from scratch.
>
> Actually some of the files permissions are set to 000 (by me ) and i am not
> able to change them . i changed them (before) to stop unauthorized access .
> i am not able to copy them and they are of great importance .
> thanks for help

(!)

You did what now?

Well, I hope you have some backups, then! I don't know of any way around that.

If you didn't... You tried an operating system upgrade on a
single-volume machine with vitally important files on it with no
backup? Are you completely mad?

Using a live CD, I'd try to recover what you can, then unmount the
volume, use fsck to repair it, then you /might/ be able to remount it
R/W and change the permissions. I would not hold out a huge amount of
hope, though.

-- 
Liam Proven • Info & profile: http://www.google.com/profiles/lproven
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