Warnings on Update Nodes

[informant]

Hi, i have following warning on update nodes:

Generating grub configuration file ...
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!

It is normal or can i ignore or deactivate?

regards

 

[fireon]

Interessting too, never see this before...

 

[spirit]

I have see that too, you can ignore it. After reboot the message will disapear.