[Xen-API] vm.start() returns Fault 3 : invalid domain

[Saurabh Garg <saurabh.g.garg@xxxxxxxxxx>]

Hi,

I've used xen-api to create managed domain, and after creation the 
domain starts normally and comes up fine. However, when the domain is 
stopped (xm shutdown or using vm.cleanShutdown() from xen-api), it gets 
into a state "------", and the domain lists in the xm list.
VM is configured with the following actions:

on_crash preserve
on_poweroff restart
on_reboot restart

Showing up in the list seems to be fine as the domain is still 
registered with the xen management. But any subsequent attempts to start 
the domain using xen-spi calls (vm.spart()) result in an internal error 
stating "Fault 3 : '<DOM_ID>'". After this the xend service needs to be 
restarted to have the xen-api calls work correctly.
Such a virtual machine, however starts well using the "xm start" 
command, and the domid changes (usually to domid++).
Is this a known issue. To me it seems like the vm.cleanShutDown() (even 
tried hard shutdown) is not cleaning up the state of the vm correctly.
Any solutions or suggestions in this regard will be highly helpful.

Thanks in advance,
Saurabh.

Marinescu Dan wrote:
> Hello,
>
> I am trying to dynamically assign memory to a running Xen guest 
> (Debian Etch from the template) using the Python bindings. The 
> VM.set_memory_dynamic_max() doesn't seem to bring anything (i checked 
> using free on the guest OS), while VM.set_memory_dynamic_max_live() 
> throws the error XenAPI.Failure: VM_BAD_POWER_STATE. How can I do this?
> Thanks,
> Dan
>
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