xen discuss - Oct 2008 - How do I see that a xVM is running as paravirtualized

I have followed a combination of instructions from this post and have been able
to get an Ubuntu paravirtualized instance running under snv_96.  Is there a way
to "list" the fact that it is paravirtualized?  For example, xm list,
virsh list, etc.

thanks
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You could always do something like:

/usr/lib/xen/bin/xenstore-list /vm | xargs -L1 -I%
/usr/lib/xen/bin/xenstore-read /vm/%/name /vm/%/image/ostype

Or, "prettier":

/usr/lib/xen/bin/xenstore-list /vm | xargs -L1 -I% bash -c ''echo
`/usr/lib/xen/bin/xenstore-read /vm/%/name /vm/%/image/ostype`''

You can view the entire xenstore tree with:

/usr/lib/xen/bin/xenstore-ls

Or you could just parse the LISPish SXP output of "xm list --long".

Hope that helps.

 - Ian Blenke <ian@blenke.com> <iblenke@csdvrs.com>
http://ian.blenke.com/

On 10/10/08 9:58 AM, "Paul Whitener" <pwhitener@earthlink.net>
wrote:
> I have followed a combination of instructions from this post and have been
> able to get an Ubuntu paravirtualized instance running under snv_96.  Is
there
> a way to "list" the fact that it is paravirtualized?  For
example, xm list,
> virsh list, etc.
> 
> thanks
> --
> This message posted from opensolaris.org
> _______________________________________________
> xen-discuss mailing list
> xen-discuss@opensolaris.org

EXCELLANT!  Thanks Ian!
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Out of curiosity, cant you simply infer it (the lack of kennel, ramdisk 
entries) from the contents of a virsh dumpxml?

=Ron
Ian Blenke wrote:
> You could always do something like:
>
> /usr/lib/xen/bin/xenstore-list /vm | xargs -L1 -I%
> /usr/lib/xen/bin/xenstore-read /vm/%/name /vm/%/image/ostype
>
> Or, "prettier":
>
> /usr/lib/xen/bin/xenstore-list /vm | xargs -L1 -I% bash -c ''echo
> `/usr/lib/xen/bin/xenstore-read /vm/%/name /vm/%/image/ostype`''
>
> You can view the entire xenstore tree with:
>
> /usr/lib/xen/bin/xenstore-ls
>
> Or you could just parse the LISPish SXP output of "xm list
--long".
>
> Hope that helps.
>
>  - Ian Blenke <ian@blenke.com> <iblenke@csdvrs.com>
http://ian.blenke.com/
>
> On 10/10/08 9:58 AM, "Paul Whitener"
<pwhitener@earthlink.net> wrote:
>
>   
>> I have followed a combination of instructions from this post and have
been
>> able to get an Ubuntu paravirtualized instance running under snv_96. 
Is there
>> a way to "list" the fact that it is paravirtualized?  For
example, xm list,
>> virsh list, etc.
>>
>> thanks
>> --
>> This message posted from opensolaris.org
>> _______________________________________________
>> xen-discuss mailing list
>> xen-discuss@opensolaris.org
>>     
>
> _______________________________________________
> xen-discuss mailing list
> xen-discuss@opensolaris.org
>

On 10/10/08 1:16 PM, "Ronald J Mann" <Ron.Mann@Sun.COM> wrote:
> Out of curiosity, cant you simply infer it (the lack of kennel, ramdisk
> entries) from the contents of a virsh dumpxml?
> 
> =Ron= 
Sure, you could. That would mean parsing some XML from a shell script...

Also, the libvirt abstraction is just a representation of what you can use
the native Xen tools to query far easier from a commandline, if you know
they''re there.

Libvirt/virsh is not a panacea, there are reasons to use them, as well as
reasons why you might not want to.

If you''re going to use Xen, it''s a good idea to learn about
xenstore and how
it fits into how things operate.

 - Ian Blenke <ian@blenke.com> <iblenke@csdvrs.com>
http://ian.blenke.com

Hi Ian,

Interesting that it sees domain 0 as linux!
--
This message posted from opensolaris.org

xm list -l Domain-name
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This message posted from opensolaris.org

On Fri, Oct 10, 2008 at 06:58:07AM -0700, Paul Whitener wrote:
> I have followed a combination of instructions from this post and have
> been able to get an Ubuntu paravirtualized instance running under
> snv_96.  Is there a way to "list" the fact that it is
paravirtualized?
> For example, xm list, virsh list, etc.
virsh dominfo <domU>

Look for "OS Type". If it says ''linux'' that means
PV, or it could say
''hvm''.

regards
john