Re: LVM autoactivation and udev

On Wed, 2022-03-09 at 11:26 -0600, David Teigland wrote:
> > 
> > If we started pvscan later, in RUN, and a VG became complete,
> > instead
> > of printing the VG name to stdout, it could run the "systemd-run"
> > command for lvm-activate-${VG}, which is currently called in 69-dm-
> > lvm.rules, directly instead, by fork()ing and exec()ing
> > "systemd-run".
> > That was what I meant. Just a thought, not sure if it really works.
> 
> Having pvscan fork systemd-run vgchange -aay doesn't sound nice at
> all.
> The point of this new design is clean up and simplify things,
> separating
> the scanning from the activation:  pvscan just scans the device, and
> vgchange activates the VG.

It was just a thought, trying to figure out a way to move this logic in
to RUN completely, so that pvscan would be able to access udev
properties.

I'll wait for the fix for the external_device_info_source=udev case,
which you mentioned in your previous post.

Thanks,
Martin

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