Isidoros

I think your problem was the same mistake I made cloning a disk.

When you reinstall the new disk you need to create a new UUID for it and
then edit /etc/fstab and change the new disks UUID to that.

check:

$ more /etc/fstab

and see if you have a duplicate UUID listed

The problem occurs because in the cloning the UUID gets cloned also so you
end up with 2 disks with the same ID.   At boot time
it becomes kind of a random choice which one gets recognized and which one
doesn't and I found that they choice can actually
switch back & forth which confuses you even more

execute the cmd:

$ man uuidgen

it will show you how to generate a unique/new UUID for your disks


On Fri, Jun 17, 2016 at 2:44 AM, ISIDOROS <imou...@hotmail.com> wrote:

> i'm facing the same issue with mdadm raid mirroring disks.
>
> I have cloned my original sda disk to the new sda disk (via clonezilla).
> The original disk has configured to use raid mirroring but only one
> brick (the current one) is available.
>
> After finishing clonezilla restoration, i have added a brick to raid
> mirroring for sdb disk.
> At the end i have updated grub to both disks.
>
> I have done this to almost 300 machines. But in some rare cases (2)
> ubuntu is missing important files that was created after the
> installation (clonezilla and raid).
>
> I suppose that "the missing files" issue is about that the ubuntu
> somehow decided to boot from sdb disk, although should be identical to
> sda (because of mirroring), some files are missing!
>
> Weird!
>
> Isidoros
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1306237
>
> Title:
>   Ubuntu 14.04 final beta - files disappearing
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+bug/1306237/+subscriptions
>

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https://bugs.launchpad.net/bugs/1306237

Title:
  Ubuntu 14.04 final beta - files disappearing

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