[AG-DEV] ANL Bridge registry turned off ?

Lloyd Pearson lloyd.pearson at otago.ac.nz
Wed Jun 6 20:55:21 CDT 2012


That's great, thanks Graeme and Chris, and Todd, and others.

Three Windows PC's both currently see 14 bridges, including Auckland.  Just like old times.


Regards,
Lloyd Pearson
AVC Operator
University of Otago
Ph +64 3 479 8997
lloyd.pearson at otago.ac.nz


-----Original Message-----
From: Christoph Willing [mailto:c.willing at uq.edu.au] 
Sent: Thursday, 7 June 2012 1:26 p.m.
To: Graeme Glen
Cc: Lloyd Pearson; ag-dev
Subject: Re: [AG-DEV] ANL Bridge registry turned off ?


On 07/06/2012, at 11:17 AM, Graeme Glen wrote:

> Hi All,
>
> Restarted the Auckland Bridge (because lots of errors, couldn't 
> connect to the URL any more, unhealthy CPU usage around 60%).
>
> After restart no errors, you will hopefully see it in the new 
> registry.

Thanks Graeme,

I see the Auckland bridge again now.


In fact, after a "Find Additional Bridges", I now see a number of the "old" bridges again. I guess they have also been restarted. The list of bridges is now looking much more like it used to.


chris


>> -----Original Message-----
>> From: Christoph Willing [mailto:c.willing at uq.edu.au]
>> Sent: Thursday, 7 June 2012 12:52 p.m.
>> To: Lloyd Pearson
>> Cc: ag-dev; Graeme Glen
>> Subject: Re: [AG-DEV] ANL Bridge registry turned off ?
>>
>>
>> On 07/06/2012, at 10:20 AM, Lloyd Pearson wrote:
>>
>>> Thanks Chris,
>>>
>>> Currently using only http://www.ap-accessgrid.org/registry/peers.txt
>>> I get only the APAG bridge.
>>>
>>> Deleting that http://www.ap-accessgrid.org/registry/peers.txt and 
>>> using only http://www.accessgrid.org/registry/peers.txt I get 7 
>>> bridges but not APAG.
>>>
>>> UQ-RCC
>>> ARCS-Melbourne
>>> Westgrid
>>> LSU
>>> UPSAG
>>> And 2 x NDHU bridges which are disabled.
>>>
>>> Using both entries I get APAG as well to give a total of 8 bridges.
>>
>> Great - all the above is consistent with how I think it should work.
>>
>>
>>> (Graeme Glen looks after the Auckland bridge, so I'm sure he'll see 
>>> this discussion and hopefully restart.
>>
>> I'm cc'ing Graeme too ...
>>
>>
>> chris
>>
>>
>>> - There are a few uni's in NZ that are running unicast so they'll 
>>> probably raise a question soon.)
>>>
>>> Regards,
>>> Lloyd Pearson
>>> AVC Operator
>>> University of Otago
>>> Ph +64 3 479 8997
>>> lloyd.pearson at otago.ac.nz
>>>
>>>
>>> -----Original Message-----
>>> From: Christoph Willing [mailto:c.willing at uq.edu.au]
>>> Sent: Thursday, 7 June 2012 11:18 a.m.
>>> To: Lloyd Pearson
>>> Cc: ag-dev
>>> Subject: Re: [AG-DEV] ANL Bridge registry turned off ?
>>>
>>>
>>> On 07/06/2012, at 8:02 AM, Lloyd Pearson wrote:
>>>
>>>> Hello team,
>>>>
>>>> Currently I get 7 bridges after a purge with only 
>>>> http://www.accessgrid.org/registry/peers.txt
>>>> as a bridge registry.
>>>> APAG
>>>> UQ-RCC
>>>> ARCS-Melbourne
>>>> Westgrid
>>>> LSU
>>>> And 2 x NDHU bridges which are disabled.
>>>>
>>>> Using only http://www.ap-accessgrid.org/registry/peers.txt the 
>>>> result is the same.
>>>
>>> Lloyd,
>>>
>>> I think there's some sort of timeout or ageing mechanism such that 
>>> if you did a purge before removing www.accessgrid.org/... and then 
>>> another purge, the list of bridges will remain the same as before. I 
>>> think if you were to wait 5 (or 10, or 15, whatever ....), another 
>>> purge would produce fewer bridges. Also, I think you'll need to Save 
>>> after deletions to the peers.txt entries.
>>>
>>>>
>>>> Another PC which has not been purged for several weeks currently 
>>>> lists about 26 bridges.
>>>
>>> Yes we've found that too. As soon as you do a purge on that machine, 
>>> it will look through the bridge registries for bridges to test and 
>>> add to the list of bridges - also removing bridges not registered 
>>> with whatever registries you have enabled (bearing in mind the 
>>> ageing mechanism for remembering them).
>>>
>>>
>>>> The Auckland bridge doesn't show on the recently purged PC, even 
>>>> though it appears on the unpurged PC and it does appear to be 
>>>> useable when selected. (That PC normally runs multicast.)
>>>
>>> Most of the previous bridges are still running and will work if 
>>> their existence is still recognised e.g. by unpurged VenueCLients. I 
>>> think they probably need to be restarted so that they're registered 
>>> with the new registry. Do you know who runs that bridge to ask them 
>>> to restart it?
>>>
>>>
>>> chris
>>>
>>>
>>>> -----Original Message-----
>>>> From: ag-dev-bounces at lists.mcs.anl.gov 
>>>> [mailto:ag-dev-bounces at lists.mcs.anl.gov
>>>> ] On Behalf Of Christoph Willing
>>>> Sent: Thursday, 7 June 2012 9:25 a.m.
>>>> To: Todd Zimmerman
>>>> Cc: ag-dev
>>>> Subject: Re: [AG-DEV] ANL Bridge registry turned off ?
>>>>
>>>>
>>>> On 07/06/2012, at 12:33 AM, Todd Zimmerman wrote:
>>>>
>>>>> On 06/06/2012 03:52 AM, Christoph Willing wrote:
>>>>>>
>>>>>> Until the DNS is transferred and we can create an entry for 
>>>>>> vv3.accessgrid.org, I wonder if a plain IP address would work 
>>>>>> there instead? Todd, could we try this by you changing the 
>>>>>> peers.txt file to be:
>>>>>> 130.102.78.188:8030
>>>>>> please?
>>>>>
>>>>> Done
>>>>
>>>> Thanks. It seems to have worked; I see a lot more bridges now - 
>>>> although not yet as many as in the old days ...
>>>>
>>>>
>>>> chris
>>>>
>>>>
>>>> Christoph Willing              +61 7 3365 8316
>>>> Research Computing Centre
>>>> University of Queensland
>>>>
>>>>
>>>>
>>>
>>> Christoph Willing              +61 7 3365 8316
>>> Research Computing Centre
>>> University of Queensland
>>>
>>>
>>>
>>
>> Christoph Willing              +61 7 3365 8316
>> Research Computing Centre
>> University of Queensland
>>
>>
>

Christoph Willing              +61 7 3365 8316
Research Computing Centre
University of Queensland





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