[ale] grub rescue
John Pilman
jcpilman at gmail.com
Sun Feb 19 16:05:31 EST 2012
Thanks for the ideas. I am starting with a second hard drive and the
dd command as Derek said and I am going to try to recreate how I go
into this mess. Understanding, at his point, is more valuable than
the little bit of data since my last last backup.
To partially answer some questions:
The disk started with Windows 7 and I installed Ubuntu 10.10 with dual
boot. So the partition utility is the one used during the Ubuntu
install. Also, I vaguely remember a question about encryption during
that process. I can't say for sure whether the partition or just the
home directory was encrypted.
Also, I'm not sure where the boot record was.
If possible, I will reinstall everything and then find those answers.
At, the speed this dd is going, I have some free time to do more research.
...John
On Sat, Feb 18, 2012 at 7:12 PM, Jim Lynch
<ale_nospam at fayettedigital.com> wrote:
> On 02/18/2012 05:19 PM, Derek Atkins wrote:
>> Once you make your copy, try making all your unallocated space into a
>> single linux partition. Then you can dd the first few MB off into a file
>> (running a RAMDISK rescue environment, of course) and use 'file' to see if
>> you got it right. Were you using LVM? Then from there you might be able
>> to get lucky and find your partition endpoints.
> Since you can now with grub2 boot from LVM that might be the answer.
> I'm surprised that grub didn't recognize that. I'd find a live cd or
> Knopix cd that understands LVM and see if the partition contains LVM
> volumes before I did anything rash.
>
> Jim.
> _______________________________________________
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