Re: [Xen-users] Mounting LVM sub-partitions - SOLVED

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Kevin DeGraaf wrote:
> > have a closer look to kpartx as a part of the multimapper-tools:
> >     
> That worked, thanks.
>
> For the benefit of anyone searching the archives for this issue:
>
>   # apt-get install multipath-tools
>   # kpartx -a /dev/vg0/lv0
>   # mount /dev/mapper/lv0p1 /mnt/foo
>
> I'm a bit surprised that it didn't follow the format of the existing
> nodes (e.g. /dev/mapper/vg0-lv0--p1).  Doing it the naive way allows
> collisions between similarly-named LVs in different VGs.  Oh well.  :-)
>   
You noticed that! Yeah the syntax of device naming there is a bit 
interesting. It makes it important to name the partitions for your 
DomU's in ways that will not naturally collide. Me, I create a specific 
volume group for them called something like XENDISK and use names for 
the individual DomU's such as "DOMU01", "DOMU02", etc. That helps avoid 
collisions.
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