Re: Strange interdependace between domains

From: Dario Faggioli <dario.faggioli@citrix.com>
To: Juergen Gross <juergen.gross@ts.fujitsu.com>
Cc: Ian Campbell <Ian.Campbell@citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Don Slutz <dslutz@verizon.com>,
	xen-devel@lists.xen.org, Simon Martin <furryfuttock@gmail.com>,
	Nate Studer <nate.studer@dornerworks.com>
Subject: Re: Strange interdependace between domains
Date: Mon, 17 Feb 2014 16:08:34 +0100	[thread overview]
Message-ID: <1392649714.32038.427.camel@Solace> (raw)
In-Reply-To: <53020C4B.6000509@ts.fujitsu.com>

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On lun, 2014-02-17 at 14:19 +0100, Juergen Gross wrote:
> On 14.02.2014 18:21, Dario Faggioli wrote:
> >
> > Actually, you are right. It looks like there is no command or command
> > parameter telling explicitly to which pool a domain belong [BTW, adding
> > Juergen, who knows that for sure].
> 
> You didn't add me, but I just stumbled over this message. :-)
> 
Oh, sorry... I could have sworn I did! :-P

Glad you've noticed the conversation anyway... and sorry.

> When I added cpupools the information could be obtained via "xm list -l".
> In the moment I haven't got a xen-unstable system up. And on my 4.2.3
> machine "xl list -l" isn't giving any information at all.
> 
Yeah, I remember something about a discussion on this. On my -unstable
test box, I still get no output for dom0, while, if you have a domU, I
do see something, and the poolid is there.

root@Zhaman:~# xl list -l | grep -i pool
                "poolid": 0,

> With "xenstore-ls /vm" the information can be retrieved: it is listed
> under <uuid>/pool_name (with <uuid> being the UUID of the domain in
> question).
> 
Funny:

root@Zhaman:~# xenstore-ls /vm | grep -i pool
root@Zhaman:~#

root@Zhaman:~# xenstore-ls | grep -i pool
root@Zhaman:~#

:-O

Is that because I didn't really add any pool (i.e., I'm running the
above with only Pool-0) ?

> > If that is the case, we really should add one.
> 
> Indeed. I think "xl cpupool-list" should have another option to show the
> domains in the cpupool. I'll prepare a patch.
> 
Cool!

Thanks,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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