[Users] start vm error, because HOST swap is illegal?

[Itamar Heim]

On 03/14/2013 05:33 PM, Gilad Chaplik wrote:
> ----- Original Message -----
>> From: "bigclouds" <bigclouds at 163.com>
>> To: "Gilad Chaplik" <gchaplik at redhat.com>
>> Cc: users at ovirt.org
>> Sent: Thursday, March 14, 2013 4:34:31 PM
>> Subject: Re:Re: [Users] start vm error, because HOST swap is illegal?
>>
>>
>>
>> what does this error mean?
>> HOST or guest swap too much disk space?
>> thanks
>
> A swapping host in most cases have a major impact on VM behavior.
> So by default oVirt will not run a VM on a swapping host. this is highly unrecommended.

this is a protection mechanism if memory overcommit is overwhelming 
ability to compensate via ksm (and later ballooning).
how much RAM on your host? how much vram (total ram allocated to VMs) on it?