[orbit-user] [ath 0] woes
Shrinivas Mohan
shrini at ucla.edu
Wed Feb 13 20:19:11 EST 2008
Thanks for the info. http://oml.orbit-lab.org/generator/wrapper didn't seem
to work. Could they have a look at it too ?
Regards,
Shrini
On Feb 13, 2008 12:31 PM, Ivan Seskar <Seskar at winlab.rutgers.edu> wrote:
> Hi Sanjit/Shrini,
>
> Yes the problem is in the inventory database which is out of sync with the
> hardware - we will work on it during the maintenance slot tomorrow.
>
> Regards,
>
> Ivan.
>
> -----Original Message-----
> From: orbit-user-bounces at orbit-lab.org [mailto:
> orbit-user-bounces at orbit-lab.org] On Behalf Of Sanjit Krishnan Kaul
> Sent: Wednesday, February 13, 2008 3:26 PM
> To: 'Orbit user discussion mailing list'
> Subject: Re: [orbit-user] [ath 0] woes
>
> Although I am not sure what the solution to the problem is, the problem is
> with the query to the inventory database and not any specific node.
>
>
>
> A look at the logs and a few trial commands to the cmc fail to give
> interface information for any selected node.
>
>
>
> In short ,
>
>
>
> wget -v
> http://cmc:5022/inventory/getMacAddress?x=4&ifname=ath0&domain=grid&y=1
>
>
>
> always returns saying that no info is available.
>
>
>
> Hope someone else can pick it up from here.
>
>
>
> Sanjit
>
>
>
> From: orbit-user-bounces at orbit-lab.org [mailto:
> orbit-user-bounces at orbit-lab.org] On Behalf Of Shrinivas Mohan
> Sent: Wednesday, February 13, 2008 2:37 PM
> To: orbit-user at orbit-lab.org
> Subject: [orbit-user] [ath 0] woes
>
>
>
> Hi Kishore,
>
> Thanks for the reply. I have been getting this problem for different nodes
> each time. The tutorials I was referring to, pick nodes at random from the
> nodes that are active. The problem does not seem to be node-specific.As I
> said, it was of the form..different runs brought up the same problem for
> different nodes.
>
> Thanks
> Shrini
>
> Message: 2
> Date: Wed, 13 Feb 2008 10:19:17 -0500
> From: "Kishore Ramachandran" <kishore at winlab.rutgers.edu>
> Subject: Re: [orbit-user] [ath 0] woes
> To: "Orbit user discussion mailing list" <orbit-user at orbit-lab.org>
> Message-ID:
> <604f6e750802130719n1905f7a3t6587cf995ab09a8 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi Shrini:
>
> You need not use "orbit tell on all" before imaging - in fact, you would
> rather not do that since imageNodes has to perform a bootup cycle on all
> nodes before the imaging process can begin.
>
> As for the other issue regarding the "no information on [ath0]", can you
> check whether that particular node has an Atheros interface? Have you tried
> the tutorial using a node other than [19,12]? That would be the first
> debugging step I would pursue. I am guessing the software (in this case
> nodehandler) does not know how to deal with the first issue - that of
> missing information in the inventory for a particular interface - and hence
> fails to exit gracefully. Can you please try using a different node in your
> script and report back on whether the problem goes away and is
> node-specific?
>
> I request the Nodehandler v4 maintainers to look at this problem and fix
> the related bug.
>
> regards,
> Kishore
>
> On Feb 13, 2008 2:08 AM, Shrinivas Mohan <shrini at ucla.edu> wrote:
>
> > Hi Everyone,
> >
> > I am repeating a post from last week. Can someone please help.
> > Once I login to the testbed, I do
> > 1. imageNodes
> > 2. orbit exec tut_topo_2
> >
> > Should I use orbit tell on all ??? Before/after imageNodes ?? The
> > documentation didn't clarify on this.
> >
> > I tried running tut_topo_2.rb (setting up a multi-hop topology)
> >
> >
> > INFO init: NodeHandler Version 4.2.0 (1272) INFO init: Experiment
> > ID: grid_2008_02_13_01_57_10 INFO Experiment: load system:exp:stdlib
> > INFO prop.resetDelay: resetDelay = 210:Fixnum INFO prop.resetTries:
> > resetTries = 1:Fixnum INFO Experiment: load tut_topo_2 INFO
> > Topology: Loading topology 'system:topo:active:grid'.
> > WARN system:topo:active:grid: Ignoring missing node '12 at 14'
> > Number of Active nodes on this tesbed: 9 INFO stdlib: Waiting for
> > nodes (Up/Down/Total): 0/4/4 - (still down:
> > n_19_15,n_19_12,n_20_5)
> > INFO stdlib: Waiting for nodes (Up/Down/Total): 0/6/6 - (still down:
> > n_19_15,n_19_12,n_20_5)
> > ERROR mainTopology: Topology - Inventory has no information on [ath0]
> > for node [19,12] (domain: grid) FATAL run: Exception: Topology -
> > Inventory has no information on [ath0] for node [19,12] (domain: grid)
> > (RuntimeError)
> > /opt/nodehandler4-4.2.0/lib/handler/topology.rb:231:in
> > `buildMACBlackList'
> > /opt/nodehandler4-4.2.0/lib/rexml/element.rb:891:in `each'
> > /opt/nodehandler4-4.2.0/lib/rexml/xpath.rb:53:in `each'
> > /opt/nodehandler4-4.2.0/lib/rexml/element.rb:891:in `each'
> > /opt/nodehandler4-4.2.0/lib/handler/topology.rb:229:in
> > `buildMACBlackList'
> > /opt/nodehandler4-4.2.0/lib/handler/topology.rb:215:in `each'
> > /opt/nodehandler4-4.2.0/lib/handler/topology.rb:215:in
> > `buildMACBlackList'
> > /opt/nodehandler4-4.2.0/lib/handler/nodeSet.rb:338:in
> > `setMACFilteringTable'
> > /opt/nodehandler4-4.2.0/lib/handler/nodeSet.rb:894:in
> `initialize'
> > /opt/nodehandler4-4.2.0/lib/handler/nodeSet.rb:950:in `new'
> > /opt/nodehandler4-4.2.0/lib/handler/nodeSet.rb:950:in
> > `method_missing'
> > ./tut_topo_2.rb:187
> > (eval):20:in `require'
> > (eval):20:in `getProc'
> > /opt/nodehandler4-4.2.0/lib/handler/oconfig.rb:137:in `call'
> > /opt/nodehandler4-4.2.0/lib/handler/oconfig.rb:137:in `load'
> > /opt/nodehandler4-4.2.0/lib/handler/experiment.rb:33
>
> :in `load'
> > /opt/nodehandler4-4.2.0/lib/handler/nodeHandler.rb:186:in `run'
> > /opt/nodehandler4-4.2.0/lib/handler/nodeHandler.rb:527
> > /opt/nodehandler4-4.2.0/app/handler.rb:3:in `require'
> > /opt/nodehandler4-4.2.0/app/handler.rb:3
> > INFO ExecApp: Application 'commServer' finished INFO run: Experiment
> > grid_2008_02_13_01_57_10 finished after 0:36
> >
> >
> > Thanks a lot,
> > Shrini
> >
> > --
> > Shrinivas Mohan
> > Graduate Student - Computer Science
> > University of California at Los Angeles
> > _______________________________________________
> > orbit-user mailing list
> > orbit-user at orbit-lab.org
> > http://orbit-lab.org/cgi-bin/mailman/listinfo/orbit-user
> >
> >
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> --
> Shrinivas Mohan
> Graduate Student - Computer Science
> University of California at Los Angeles
>
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--
Shrinivas Mohan
Graduate Student - Computer Science
University of California at Los Angeles
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