Re: HowTo Recover Lost Data from LVM RAID1 ?

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On 1/19/08, Kai Schaetzl <maillists@xxxxxxxxxxxxx> wrote:
> Alain Reguera Delgado wrote on Fri, 18 Jan 2008 20:04:23 -0500:
>
> > What I
> > can't access is the new one I put there recently (weeks ago).
>
> You need to explain that.

Yep. Here is the full story.

Last December 26, I decided to make a fresh install of my old
workstation. I wished a configuration that let me data redundancy to a
major data protection. I opted RAID1 configuration with 2 ATA IDE
disks of 40GB. Before format and create the new configuration, I made
a backup of all my home directory unto another hard drive.

When data was safe, I followed the Deployment Guide steps in How to
create RAID1 with LVM.

After the RAID1-LVM configuration was in place, I restored the backup
from the external hard drive into the RAID1-LVM configuration.

It was working without troubles (apparently).

At January 17, while working something strange happened to my old
workstation. The screen turned into black, the keyboard doesn't
responded, and the hard drive led light was off. So I pressed the
reset button.

After that, when the system started up, the only info that I had was
that one immediately copied into the RAID1-LVM configuration after the
fresh install on December 26. Changes after that seem not to be
present.

I thought that with a RAID1 I'd have the data on both disk, so if one
of them fail the other one still have an information safe copy.

Tell me if you need more information, please.

Cheers,
al.
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