From mboxrd@z Thu Jan  1 00:00:00 1970
From: Glauber Costa <glommer@redhat.com>
Subject: Re: migrate_set_downtime bug
Date: Mon, 5 Oct 2009 10:04:09 -0300
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Cc: Dietmar Maurer <dietmar@proxmox.com>,
	Anthony Liguori <anthony@codemonkey.ws>,
	kvm <kvm@vger.kernel.org>
To: Avi Kivity <avi@redhat.com>
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On Mon, Oct 05, 2009 at 02:17:30PM +0200, Avi Kivity wrote:
> On 09/30/2009 08:41 PM, Dietmar Maurer wrote:
>>
>> I just think of common scenarios like 'maintanace mode', where all VM should migrate to another host. A endless migrate task can make that fail.
>>
>> For me, it is totally unclear what value I should set for 'max_downtime' to avoid that behavior?
>>
>>    
>
> We used to have a heuristic that said 'if an iteration transfers more  
> pages than the previous iteration, we've stopped converging'.  Why  
> wouldn't that work?
Because it seems people agreed that mgmt tools would be the place for those heuristics.