Re: Grub does not recognize lvm physical volume by uuid after restart
On 20140322_172754, André Nunes Batista wrote:
> Hello dear debian users!
>
> Recently, one jessie notebook I administer went through a forceful
> shutdown (holding down the power button) and after that grub cannot see
> the lvm physical volume by uuid. After trying to load the volume for
> some seconds, it gives the following message and drops to a minimal
> initramfs shell:
>
> Gave up waiting for root device. Common problems:
> - Boot args
> - check rootdelay=(long enough?)
> - check root=(right device?)
> - Missing modules
> ALERT! /dev/disk/by-uuid/090f9d09g0f9g-xx-xxxxxx does not exist.
> Dropping to a shell
>
> Using this minimal shell I'm able to go to this path and it actually
> does not contain any reference to this physical volume. Also,
> on /dev/mapper/ there is no reference to the root and home logical
> volumes, but there is a reference to the swap logical volume.
>
> Using a live distribution I had no problem mounting this volume and
> accessing its contents, so no real damage, but I would be glad on some
> pointers on how to make grub recognize it again. I've tried booting
> "by-id" and old school "/dev/sdaX" directly but had no luck.
>
> It was once installed using the default guided lvm partition from debian
> installer.
>
> TIA
>
If lvm was installed by debian-installer, grub should be looking for
a separate physical partition for /boot , not something within lvm purview.
Of course / is within lvm, but /boot is not. Look at /etc/fstab to see
what I talking about. Use supergrub2 disk to reinstall grub2.
HTH
> --
> André N. Batista
> GNUPG/PGP KEY: 6722CF80
>
>
>
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--
Paul E Condon
pecondon@mesanetworks.net
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