[PVE-User] WG: Strange LVM problem

Eneko Lacunza elacunza at binovo.es
Tue Mar 6 18:45:36 CET 2012


Hi,

For the record,

Problem was that lvm.conf in the initrd for 2.6.35 kernel was not
up-to-date; was filtering a partition member of the volume group "pve",
and this made lvm unable to use pve VG.

Thanks to all
Eneko

El mar, 06-03-2012 a las 18:11 +0100, Eneko Lacunza escribió:
> It's an IBM x3400 server with an Adaptec AAC-RAID (Rocket) (rev 02). LVM
> is on a logical volume. 2.6.32 sees sda/sdb raid volumes, and last
> running 2.6.35 also saw the same.
> 
> I will check next time we reboot that machine with 2.6.35 for scsi disk
> names, thanks for the suggestion!
> 
> El mar, 06-03-2012 a las 18:00 +0100, Holger Ernst escribió:
> > 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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