[lvm-team] Soliciting feature requests for development of an LVM library / API

[Dave Wysochanski]

On Sat, 2008-12-13 at 15:23 +0000, Alasdair G Kergon wrote:
> On Sat, Dec 13, 2008 at 03:28:20PM +0100, Kay Sievers wrote:
> > On Sat, Dec 13, 2008 at 02:30, Dave Wysochanski <dwysocha at redhat.com> wrote:
> > > Note that by scanning a single PV we may not be able to answer
> > > definitively what VG it is in or what LVs it may contain.  So provided
> > > we go this route with putting into the udev database all needed
> > > information that today you get from pv/vg/lvdisplay commands, something
> > > else will have to put together individual PV information to get an
> > > accurate picture of the VG / LV info in the system.
>  
> When we discussed this with David in Boston, it became clear that the
> udev database as currently implemented was unable to hold the information
> LVM2 needs to store.
> 
What are the specific limitations of the udev database that make it
unsuitable for LVM?