[linux-lvm] commit c527a0cbfc3 may have a bug

Gionatan Danti g.danti at assyoma.it
Fri Feb 14 19:34:19 UTC 2020

Il 2020-02-14 20:11 David Teigland ha scritto:
> Hi, it looks like a bug led to an incorrect filter configuration 
> actually
> working for a period of time.  When the bug was later fixed, the 
> incorrect
> filter became apparent.  In summary, the correct way to exclude devs 
> from
> lvmetad (and to handle duplicate PVs) is to set global_filter; filter 
> is
> not meant to work for that.

Hi David, being filters one of the most asked questions, can I ask why 
we have so many different filters, leading to such complex interactions 
and behaviors?

Don't get me wrong: I am sure you (the lvm team) have very good reasons 
to do that, and I am surely missing something? But what, precisely? How 
should we (end users) consider filters? Should we only use 


Danti Gionatan
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