[linux-lvm] unable to lvcreate _new_ LVs on existing VG with existing LVs and plenty of room?

[Alasdair G Kergon]

On Wed, Apr 08, 2015 at 08:16:40AM -0700, lyndat3 at your-mail.com wrote:
> > >     lvm version
> > >             LVM version:     2.02.98(2) (2012-10-15)
> > >             Library version: 1.03.01 (2011-10-15)
> > >             Driver version:  4.29.0
> > This looks like you might have a mismatch of device-mapper and LVM.
> > Where did you get that device-mapper from? I am not aware of any 1.03.01 
> > version.
> I don't know where the "1.03" comes from.
> rpm -q device-mapper
>   device-mapper-1.02.78-20.2.2.x86_64
 
How odd!

> * Mon Oct 24 2011 xwhu at suse.com
>  - bnc#719424. Packages depend on libdevmapper want to differentiate
>    the libraries with udev support or without.
>    So, the package now provides both 1.02 and 1.03 libraries. The
>    1.02 library will be dropped once upstream bump up the version
>    number officially.

https://bugzilla.novell.com/show_bug.cgi?id=719424
"You are not authorized to access bug #719424. To see this bug, you must first log in to an account with the appropriate permissions."

I have no recollection of any upstream requirement to be able to
differentiate between libraries built with or without udev support
and we intention of bumping the version number for a reason such as this.

When we do bump it, it will be because of API changes that makes the
updated library incompatible with previously-compiled and supported
versions of lvm2.  (Obviously, we will now have to remember to skip the version
"1.03" because it's been used for something else!)

Alasdair