Xen users - May 2008 - Show which image/disk is attached to a DomU?

There doesn''t seem to be a good way to determine which image/disk/lv a 
xenstore-managed DomU uses. With a DomU I "create" I can always look
in
the configuration file, but with DomU''s that are in xenstore
there''s no
good way to check the configuration. xenstore-ls or xenstore-list are of 
no real help as they list arbitrary information in highly unorganised 
order and there''s almost no documentation apart from this:
http://kb.xensource.com/entry.jspa?externalID=181

Is there a good and easy way to list the images/block devices a DomU 
uses/is configured to use?

Kai

-- 
Kai Schätzl, Berlin, Germany
Get your web at Conactive Internet Services: http://www.conactive.com




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Kai Schaetzl wrote:
> There doesn''t seem to be a good way to determine which
image/disk/lv a
> xenstore-managed DomU uses. With a DomU I "create" I can always
look in
> the configuration file, but with DomU''s that are in xenstore
there''s no
> good way to check the configuration. xenstore-ls or xenstore-list are of 
> no real help as they list arbitrary information in highly unorganised 
> order and there''s almost no documentation apart from this:
> http://kb.xensource.com/entry.jspa?externalID=181
> 
> Is there a good and easy way to list the images/block devices a DomU 
> uses/is configured to use?
> 
> Kai
> 
xenstor-ls | grep params
seems to pull up the lvs its using

-- 
Nick Anderson <nick@anders0n.net>
http://www.cmdln.org
http://www.anders0n.net


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Nick Anderson wrote:
> xenstor-ls | grep params
> seems to pull up the lvs its using
I guess it does not exactly tell you which domain it belongs to though


-- 
Nick Anderson <nick@anders0n.net>
http://www.cmdln.org
http://www.anders0n.net


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Nick Anderson wrote on Tue, 13 May 2008 12:56:04 -0500:
> I guess it does not exactly tell you which domain it belongs to though
Indeed, and it lists information that doesn''t fit at all. :-(

For instance, xm list shows two DomUs, vm1 and vm2. vm1 is running, vm2 is 
not. xenstore-ls |grep params shows only params = "/dev/xenvm/vm1",
the
information for the running vm. However, if I grep in the output for vm2 
or vm3 or vm4 it finds something for them as well. This means, I can get 
this information from xenstore-ls only for running domains and at the same 
time it contains information for DomU that don''t exist at all (they
did,
but were removed).
A mess.
Nevertheless, thanks for the params grep. I had tried some, but had 
overlooked that. It may be useful at least sometimes.



Kai

-- 
Kai Schätzl, Berlin, Germany
Get your web at Conactive Internet Services: http://www.conactive.com




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xenstore-ls /local/domain/<domID>/device/vbd

http://wiki.xensource.com/xenwiki/XenStoreReference
http://wiki.xensource.com/xenwiki/XenStore
runningxen.com ;)


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what about xm list --long

That should give you the information you need right?

Cheers,
Todd

On Tue, May 13, 2008 at 3:59 PM, Todd Deshane <deshantm@gmail.com> wrote:
>  xenstore-ls /local/domain/<domID>/device/vbd
>
> http://wiki.xensource.com/xenwiki/XenStoreReference
> http://wiki.xensource.com/xenwiki/XenStore
> runningxen.com ;)
>

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