Bug#344040: Bug#343671: Bug#344040: lvm2: sometimes can create snapshot, sometimes can't

Alasdair G Kergon agk at redhat.com
Mon Dec 19 22:16:37 UTC 2005

On Mon, Dec 19, 2005 at 10:15:33PM +0100, Marco d'Itri wrote:
> On Dec 19, Filippo Giunchedi <filippo at esaurito.net> wrote:
> > apparently http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=343671#msg20 has the
> > solution, works here. I'm not sure either why ignore_device has been removed
> Because another Debian maintainer requested it with a good rationale,
> so I am not going to revert this change until somebody will explain how
> NAME="" breaks lvm and why this would be an udev bug.
Maybe someone can strace udev or look at the source and see what the
difference between those two settings is?

If people want to use udev at the same time as lvm2/device-mapper they have
to configure it to ignore device-mapper devices completely.  Its
asynchronous design just doesn't fit alongside code that is creating,
using and destroying short-lived devices.

agk at redhat.com

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