Re: [Xen-devel] Many same managed domain

[Mats Petersson <mats@xxxxxxxxxxxxxxxxx>]

At 06:09 22/07/2007, Masaki Kanno wrote:
> Hi,
>
> When I tested xm new command without uuid parameter repeatedly,
> I saw many same managed domain as follows.
>
> # xm list
> Name                                        ID   Mem 
> VCPUs      State   Time(s)
> Domain-0                                     0   941     2     r-----     51.9
> # xm new /xen/vm1.conf
> Using config file "/xen/vm1.conf".
> # xm new /xen/vm1.conf
> Using config file "/xen/vm1.conf".
> # xm new /xen/vm1.conf
> Using config file "/xen/vm1.conf".
> # xm list
> Name                                        ID   Mem 
> VCPUs      State   Time(s)
> Domain-0                                     0   941     2     r-----     56.3
> vm1                                              256     1                 0.0
> vm1                                              256     1                 0.0
> vm1                                              256     1                 0.0
>
>
> But, when I tested xm new command with uuid parameter repeatedly,
> I did not see same managed domain as follows.
>
> # xm list
> Name                                        ID   Mem 
> VCPUs      State   Time(s)
> Domain-0                                     0   941     2     r-----     69.9
> # xm new /xen/vm1.conf uuid="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
> Using config file "/xen/vm1.conf".
> # xm new /xen/vm1.conf uuid="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
> Using config file "/xen/vm1.conf".
> # xm new /xen/vm1.conf uuid="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
> Using config file "/xen/vm1.conf".
> # xm list
> Name                                        ID   Mem 
> VCPUs      State   Time(s)
> Domain-0                                     0   941     2     r-----     74.4
> vm1                                              256     1                 0.0
>
>
> I think that xm new command should cause a command error if without
> uuid parameter.  What do you think?

Either that, or check that the name isn't a duplicate - I added such 
a check for "xm create" and "xm restore" about two months ago, 
because it would allow multiple instances of the same domain (with 
the same UUID - something I never got to the bottom of).
--
Mats



> Best regards,
>  Kan
>
>
>
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