Dne 31. 07. 19 v 12:41 Julian Andres Klode napsal(a):
On Wed, Jul 31, 2019 at 12:22:38PM +0200, Zdenek Kabelac wrote:
Dne 31. 07. 19 v 11:39 Julian Andres Klode napsal(a):
I don't see how this has anything to do with lvmetad. There is no lvmetad
anymore.
The whole point of 'service' for 'pvscan' is to postone activation of DM
devices outside of udev rule processing.
So whatever is replacing systemd service in your's systemd-less system must
provide similar functionality.
There is currently no way to accept autoactivation capability within
udev-rule processing.
This has nothing to do with the part of the message you are replying too, and
is nonsense. The code to run pvscan directly is shipped, the change just moves
the decision whether to do that from compile-time to run-time.
As long as 'pvscan' is executed with 'auto-activation' option - it can't be
run from udev rule. Any proposal for this needs to first resolve,
how to ensure udev will not try to kill running command in the middle of work.
Until this is resolved - proposal of this can't be accepted upstream.
Again: The code is already there. I'm just moving the decision what to pick from
compile-time to run-time. This is entirely orthogonal to whether the existing code
works well or not.
So how about making 2 set of lvm2 packages for Debian.
1st. set build with dependency on systemd libraries.
2nd. is build without dependency on systemd libraries (thus installable for
non-systemd users)
lvm2 is not (ATM) build with runtime detection of systemd - it's either
compiled to work with systemd (expect all the services to be there).
2nd. mode is compilation without systemd world (provided mostly for older
distros).
We do not test 'hybrid' - where lvm2 would be adapting to presence of systemd
binaries (and we don't have capacity to test all these combinations)
Regards
Zdenek
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