[linux-lvm] pvscan does not detect lvm1 exported volume group

Nico Stuurman nico at cmp.ucsf.edu
Wed Feb 7 17:19:41 UTC 2007

Thanks Luca,

I was not aware that md was ever used on the system (that is what you  
get for not configuring things yourself).  I disabled  
md_component_detection and all was fine.



On Feb 6, 2007, at 11:51 PM, Luca Berra wrote:

> On Thu, Feb 01, 2007 at 08:21:00AM -0800, Nico Stuurman wrote:
>> The relevant output of pvscan -vvvv is copied below.  The volume   
>> group consists of /dev/sdb1 and /dev/sdc1.  Apparently, pvscan  
>> sees  some kind of md raid information on /dev/sdb1 and decides to  
>> skip it?
> I don't know why there is a md superblock at the end of sdb1 and sdc1,
> maybe you used to mirror or stripe them before, then forgot to remove
> the superblock when you quit md.
> anyway you can use mdadm to examine and remove the superblock from  
> sdb1
> and sdc1.
> In alternative you can disable md_component_detection in
> /etc/lvm/lvm.conf (if you will never use lvm over md anymore, that is)
> L.
> -- 
> Luca Berra -- bluca at comedia.it
>        Communication Media & Services S.r.l.
> /"\
> / \
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

More information about the linux-lvm mailing list