[PVE-User] WG: Strange LVM problem

[Holger Ernst]

What is your hardware? On what device is the lvm located?
Had a similar problem w. HP Server after installing Debian Lenny and Proxmox on top. 
Here is  what we did:

> i am not sure, but in the more recent kernels the kernel module hpsa
> (instead of cciss) is loaded to support the HP Smart Array devices.
>
> If this is the case here your devices will read
>   /dev/sda1
>
> instead of
>   /dev/cciss/c0d0p1
>
> Changing grub entry and fstab to reflect this entry should do it. I don't
> know if and how the LVM config have to be adapted.
>

Regards Holger

-----Ursprüngliche Nachricht-----
Von: pve-user-bounces at pve.proxmox.com [mailto:pve-user-bounces at pve.proxmox.com] Im Auftrag von Eneko Lacunza
Gesendet: Dienstag, 6. März 2012 16:53
An: pve-user at pve.proxmox.com
Betreff: [PVE-User] Strange LVM problem

Hi all,

Today we have stopped our proxmox cluster due to some electric works.
Both nodes in the cluster were running Proxmox 1.9 and kernel 2.6.35-2.

When we have started both nodes again, one of them has been unable to
find LVM group 'pve', and couldn't mount root filesystem. 

Switching to kernel 2.6.32-4 has fixed the problem; we have then tried
again to restart with kernel 2.6.35-2, without any luck; so right now
our cluster has a node with 2.6.35 kernel and another node with 2.6.32
kernel.

Any ideas about what's going wrong with LVM and 2.6.35-2 kernel? I have
checked that it was running that very same version of the kernel
previously...

As the cluster is in production, we're waiting for maintenance time for
testing/checking more things in that node, so I don't have more info
right know (like failed boot messages in screen)

Thanks
Eneko

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