[linux-lvm] Help to mount ext3 boot partiton which reports it's LVM2_member when I try to mount it
Stuart D. Gathman
stuart at bmsi.com
Fri Jun 17 04:11:04 UTC 2011
On Thu, 16 Jun 2011, Lee Gold wrote:
> How can this be right? I clearly remember installing the /boot as an
> ext3 partiton.
> sudo pvs says:
> PV VG Fmt Attr PSize PFree
> /dev/sda1 lvm2 a- 190.00m 190.00m
> /dev/sda2 system lvm2 a- 92.97g 0
> I can mount the partitons in /dev/sda2 by installing LVM2 while using
> the live disk and some command-line - so I can recover the data if
> necessay so all is not lost. But I would really like to know what is
> going on and how to get the system booting again. Again the boot
> partition was ext3 and separate, why can't I access it, fdisk
> confirms...? Thanks.
I would suspect that sda and sdb do not point to the disks you think
they do. BIOS often swaps these around without warning. You don't mention
your physical connection (IDE/SATA/USB/FW/iSCSI/...). This would give a clue
as to what BIOS might have done - although it really isn't an LVM question.
This is why it is preferred to use filesystem/PV UUIDs or labels
rather that whatever the current device address happens to be.
So it looks like you made /boot into a PV, although pvcreate should have
warned that the block device was mounted.
Stuart D. Gathman <stuart at bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
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