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forcibly purging quota? [message #20461] Tue, 18 September 2007 09:01 Go to next message
Gregor Mosheh is currently offline  Gregor Mosheh
Messages: 62
Registered: April 2007
Member
From: openvz.org
Hey, guys.
Thanks again for OpenVZ, and for the expert assistance. :)

I have 15 VEs,and the quota is totally wrong on all of them. I have used 
the trick of "vzctl stop;vzquota drop;vzctl start" in order to restart a 
VE and have the quota properly updated.

But... I would like to avoid shutting down our customers' VPSs.

Question: How safe is "vzquota drop -f"? Could I use it to forcibly and 
safely have the quota refreshed, without shutting down each VE? What 
risks (if any) are involved?
    vzquota drop 1 -f
    vzquota on 1 -f

-- 
Gregor Mosheh / Greg Allensworth
System Administrator, HostGIS cartographic development & hosting services
http://www.HostGIS.com/

"Remember that no one cares if you can back up,
  only if you can restore." - AMANDA
Re: forcibly purging quota? [message #20463 is a reply to message #20461] Tue, 18 September 2007 09:15 Go to previous messageGo to next message
dev is currently offline  dev
Messages: 1693
Registered: September 2005
Location: Moscow
Senior Member

From: openvz.org
Can you please explain a bit how your quotas get wrong?
Do you have some test case to reproduce the problem and demonstrate it?
Or you have started VEs w/o quotas from time to time?
Or you have some private custom VE private directories?
What filesystem do you use for /vz?

Thanks,
Kirill


Gregor Mosheh wrote:
> Hey, guys.
> Thanks again for OpenVZ, and for the expert assistance. :)
> 
> I have 15 VEs,and the quota is totally wrong on all of them. I have used 
> the trick of "vzctl stop;vzquota drop;vzctl start" in order to restart a 
> VE and have the quota properly updated.
> 
> But... I would like to avoid shutting down our customers' VPSs.
> 
> Question: How safe is "vzquota drop -f"? Could I use it to forcibly and 
> safely have the quota refreshed, without shutting down each VE? What 
> risks (if any) are involved?
>     vzquota drop 1 -f
>     vzquota on 1 -f
>
Re: forcibly purging quota? [message #20465 is a reply to message #20463] Tue, 18 September 2007 09:24 Go to previous message
Gregor Mosheh is currently offline  Gregor Mosheh
Messages: 62
Registered: April 2007
Member
From: openvz.org
Kirill Korotaev wrote:
> Can you please explain a bit how your quotas get wrong?
> Do you have some test case to reproduce the problem and demonstrate it?

Well, now that you ask... I do not believe this to be a bug in vzquota. 
Many of our VPSs were P2V conversions, and I suspect that that's how the 
quotas started off badly. I SFTP'd the fles from their server on the HN, 
but didn't flush the quotas at the time.

But, I am curious whether 'drop -f' and 'on -f' have any potential for 
mischief if used on a running VE. It would be nice to get the quotas 
updated without booting our customers.

-- 
Gregor Mosheh / Greg Allensworth
System Administrator, HostGIS cartographic development & hosting services
http://www.HostGIS.com/

"Remember that no one cares if you can back up,
  only if you can restore." - AMANDA
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