Hi all,

I have observed a non-consistent issue on the detach ISO operation for running 
VMs. Some guest OS refuse to release an attached ISO even though the ISO is not 
mounted, making the detach ISO operation fail if the VM is running. For 
example, a CentOS 7 running VM on Vmware 6.5 fails to detach an ISO with error: 
'Connection control operation failed for disk 'ide0:0' if the VM is running'. 
However, there is no issue if the VM is stopped.

As a workaround executing an 'eject' command on the guest VM before the detach 
operation solves the problem. The detach ISO operation in CloudStack could be 
extended to support a 'force' option - which could perform a similar workaround 
when the VM is running.

I would be interested to know if you have experimented similar issues on 
different hypervisors or could be some hypervisor specific version issue.


Regards,

Nicolas Vazquez

nicolas.vazq...@shapeblue.comĀ 
www.shapeblue.com
3 London Bridge Street,  3rd floor, News Building, London  SE1 9SGUK
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