Re: CentOS 7: restore fails

On 4/1/2017 4:21 μμ, Nikolaos Milas wrote:

> I tried amending /boot/grub2/device.map and rebooting, but nothing 
> changed. You advised me to run grub2-install but at the end of all 
> these automatic restores, there is nothing in the /mnt/RESTORING 
> directory. What should I do, if I try again?

Although I haven't had any feedback here, I asked at the CentOS mailing 
list and it turns out that almost all (but it seems there may be some 
exceptions) CentOS 7 installations, both virtual and physical do have 
these "duplicate" entries in device.map. So, my case is the rule, not an 
exception.

In any case, I don't think that this is the cause of the restore problem.

> Following my unsuccessful "Automatic" recoveries (nuke),  I tried two 
> more times using the Interactive restore method; I did not modify 
> anything during the restore process, except that I commented out an 
> nfs mount in /etc/fstab.
>
> I did not rebuild initrd; In fact, I don't know if I should (I am 
> restoring to the same geometry), and even if I should, I don't know 
> how to do it on CentOS 7 (ramfs etc.). If I should, can someone 
> provide directions on how to do it?

Could this possibly help resolve issues? If so, please guide me on how 
to rebuild initrd (or whatever)!

>
> In both cases it seems I faced some bug at the last stage because the 
> restore did not end up gracefully. See attached image.
>
> In both cases the generated mondorestore.log was not available (when I 
> booted with Knoppix), so in the third restore effort I took care to 
> copy it safely beforehand.
>
> Here are links to the mondoarchive.log of the backup taken and the 
> mondorestore.log of the (failed) interactive restore:
>
>    http://iweb.noa.gr/files/mondoarchive-nm-20170104-01.log
>    http://iweb.noa.gr/files/mondorestore-nm-20170104-01.log
>
> Needless to say, these restores won't boot either.
>
> Please advise on how to move forward!!

I will indeed appreciate your feedback!

Please help me to find what may be going wrong.

Thanks a lot,
Nick

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