[linux-lvm] Option to silence "WARNING: Sum of all thin volume sizes exceeds the size of thin pool"

[David Teigland]

On Mon, Sep 18, 2017 at 07:52:01PM +0200, Gionatan Danti wrote:
> Hi all,
> being an heavy snapshot user, I wonder if (and how) to silence such a
> warning:
> 
> "WARNING: Sum of all thin volume sizes (2.00 GiB) exceeds the size of thin
> pool cl_gdanti-lenovo/thinpool (1.00 GiB)!"
> 
> I fully understand the reasoning for this warning, but snapshots are almost
> guaranteed to raise it. I found that by setting the
> thin_pool_autoextend_threshold the warning disappears, but on some pool I
> would rather like to left autoextend disabled.
> 
> So, any changes to disable the warning at least when taking snapshots?
> Thanks.

It's definitely an irritation, and I described a configurable alternative
here that has not yet been implemented:

https://bugzilla.redhat.com/show_bug.cgi?id=1465974

Is this the sort of topic where we should start making use of
https://github.com/lvmteam/lvm2/issues ?