I've ran scripts which attempt to start 100 VMs at once, so no starting 5 
should not be an issue.

If these were new VMs on a new guest network it's possible that the VR took a 
long time to start (poor secondary storage performance) so the VMs timed out.

It looks like one of your VMs had started, was this by chance the last VM you 
tried to start?

Once the templates for VR and Guest VMs had copied from sec to pri storage new 
VMs should start very quickly.

Is this a single zone or part of a multi zone setup?

Regards

Geoff Higginbottom
CTO / Cloud Architect


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On 8 Apr 2014, at 21:11, "Jonathan Gowar" 
<j...@whiteheat.org.uk<mailto:j...@whiteheat.org.uk>> wrote:

On Tue, 2014-04-08 at 19:14 +0000, Geoff Higginbottom wrote:
Assuming the VMs are not actually running on hosts, change the state field in 
vm_instance to stopped, this will give you back control.  Suggest you then 
start one at a time.

Thanks, Geoff.

 As they (4 of 5 VMs) were in a stopped state, and back within control,
I started just 1 and left it.  I came back some time later, and they'd
all started!?

As far as stressing a system goes, would creating 5 VMs simultaneously
be a problem.  Are there statistics to review such limits? or even
general rule of thumb.

Regards,
Jon

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