[AG-TECH] Access Grid service outage at Argonne

Thomas Uram turam at mcs.anl.gov
Mon Sep 13 12:53:09 CDT 2010


This should be resolved now that the DNS push has been done. It may take time for it to propagate to everyone, but it has likely done so for most people already. If you encounter further problems, let me know.

Tom

On Sep 13, 2010, at 10:40 AM, Thomas Uram wrote:

> So the problem is related to a redirect of the DNS for accessgrid.org during the outage. I'm still seeing the redirect this morning; we're looking into it further.
> 
> Tom
> 
> 
> On Sep 12, 2010, at 11:42 PM, Thomas Uram wrote:
> 
>> Gabriel:
>> 
>> The short answer is no, they should be unaffected. The bridges periodically update their registration with the registry. When the registry came back up, the bridge registrations should have begun to accumulate again. 
>> 
>> Since you're getting only the UQVislab bridge, I'm suspicious. I'll look into it in the morning.
>> 
>> Tom
>> 
>> 
>> 
>> ----- Original Message -----
>> From: "Gabriel Noronha" <Gabriel.Noronha at newcastle.edu.au>
>> To: "Thomas Uram" <turam at mcs.anl.gov>
>> Cc: ag-tech at mcs.anl.gov
>> Sent: Sunday, September 12, 2010 11:12:27 PM GMT -06:00 US/Canada Central
>> Subject: Re: [AG-TECH] Access Grid service outage at Argonne
>> 
>> Does the Bridge server and Registry peer going down and back up again imply that all the AG bridges now need to be restarted ??? 
>> 
>> Having lots of issues today getting Bridges to work I made the mistake of pressing Purge and lost all bridges except UQVislab 
>> 
>> 
>> Gabriel 
>> 
>> 
>> 
>> ----
>> Gabriel Noronha 
>> Access Grid Support Officer 
>> University of Newcastle 
>> 
>>>>> Thomas Uram <turam at mcs.anl.gov> 13/09/2010 9:36 am >>>
>> 
>> The services below should be operational again. If you encounter any difficulties, let us know.
>> 
>> Thanks,
>> Tom
>> 
>> ----- Original Message -----
>> From: "Thomas Uram" <turam at mcs.anl.gov>
>> To: ag-tech at mcs.anl.gov 
>> Sent: Friday, September 10, 2010 10:49:45 AM GMT -06:00 US/Canada Central
>> Subject: Access Grid service outage at Argonne
>> 
>> On Saturday, September 11, the machine room that houses the Argonne AccessGrid servers will be offline due to perform power maintenance. The maintenance period will begin at 6:00am CDT and is expected to last for 12 hours. This outage will affect the following Access Grid services at Argonne: 
>> 
>> - AG Venue server vv3.mcs.anl.gov 
>> - Jabber server jabber.mcs.anl.gov 
>> - AG Bridge server milton.mcs.anl.gov 
>> - AG Registry peer vv3.mcs.anl.gov 
>> - AG software downloads at www.mcs.anl.gov 
>> 
>> I'll send a notice when service has been restored, which will likely be late Saturday. 
>> 
>> Tom 
>> 
> 



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