On Wed, 7 Sep 2016 09:22:59 +0300, gevisz wrote:

> After many attempts, I finally managed to boot with the new drive
> attached manually editing the above entry in /boot/grub/grub.cfg
> 1) deleting the root=UUID=44*** part of its line (which probably means
> that adding GRUB_CMDLINE_LINUX="root=UUID=44***" line to
> the /etc/default/grub was a bad idea :),
>  2) changing in the same last line sdb3 to sdc3, and

Which is fine, until you next run grub-mkconfig. As Mike said, if you use
an initramfs, GRUB will then use UUIDs, avoiding all this.

Another possibility is that your new drive is connected to a lower
numbered SATA port, which is why it jumps in front of the old drive in the
device allocation. Connecting your boot drive to the lowest numbered
port may avoid future queue-jumping.


-- 
Neil Bothwick

Accordion: a bagpipe with pleats.

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