Re: [et-mgmt-tools] Virt-manager and qemu logging

[Radek Hladik <radek eadresa cz>]

Cole Robinson napsal(a):
> Radek Hladik wrote:
> > Hi,
> > 	I am using virt-manager+libvirt+kvmqemu and I noticed today that when 
> > virt-manager is running and polling VMs stats libvirt log in 
> > /var/log/libivrt/qemu/vmname is filling with messages like
> >
> > info blockstats
> > ide0-hd0: rd_bytes=16710828032 <http://www.snapanumber.com/> <http://www.snapanumber.com/>
> > wr_bytes=2248787148 <http://www.snapanumber.com/> <http://www.snapanumber.com/>8 
rd_operations=382576
> > wr_oper
> > ations=1579878
> > ide1-cd0: rd_bytes=936448 wr_bytes=0 rd_operations=456 wr_operations=0
> > floppy0: rd_bytes=0 wr_bytes=0 rd_operations=0 wr_operations=0
> > sd0: rd_bytes=0 wr_bytes=0 rd_operations=0 wr_operations=0
> >
> >
> > is this needed for virt-manager to poll the info or have I only 
> > forgotten to disable some debugging somewhere? I tried to change loging 
> > parameter in libvirt.conf but that had no effect (I didnt restart the 
> > VMs though).
>
> If disk polling is enabled in virt-manager, those messages will be
> logged by libvirt. They are coming from the qemu monitor every time disk
> stats info is requested. As far as I know there is no way to disable
> logging these messages, though it would certainly be handy since they
> will quickly take up a lot of room if virt-manager is left running.
>
> You can disable disk polling in virt-manager via Edit->Preferences
>
> - Cole

I left virt-manager running for about a day and it grew to cca 100MB per 
VM. I will probably set up more drastic rotation or disable the logging 
at all somehow...
Thanks for your answer.

Radek