On Mon, Jun 07, 2021 at 03:48:30PM +, Martin Wilck wrote:
> On So, 2021-06-06 at 14:15 +0800, heming.z...@suse.com wrote:
> >
> > 1. During boot phase, lvm2 automatically swithes to direct activation
> > mode
> > ("event_activation = 0"). After booted, switch back to the event
> > activation
On Mon, Jun 07, 2021 at 10:27:20AM +, Martin Wilck wrote:
> Most importantly, this was about LVM2 scanning of physical volumes. The
> number of udev workers has very little influence on PV scanning,
> because the udev rules only activate systemd service. The actual
> scanning takes place in
Hi Heming,
Thanks for the analysis and tying things together for us so clearly, and I
like the ideas you've outlined.
On Sun, Jun 06, 2021 at 02:15:23PM +0800, heming.z...@suse.com wrote:
> I send this mail for a well known performance issue:
> when system is attached huge numbers of devices.
Dne 07. 06. 21 v 17:48 Martin Wilck napsal(a):
On So, 2021-06-06 at 14:15 +0800, heming.z...@suse.com wrote:
1. During boot phase, lvm2 automatically swithes to direct activation
mode
("event_activation = 0"). After booted, switch back to the event
activation mode.
Booting phase is a speical
