Thanks's for the clarification.
I think you are right. There has been a large change when BNL switched
from LCFGng-lite
to the full version.
But CVS should know....
markus
On Tuesday, Nov 18, 2003, at 15:52 Europe/Zurich, Daniels, T (Trevor)
wrote:
> Markus
>
> Yes, that's exactly how we discover them.
>
> The problem with BNL was that the addresses of the LCG hosts were set
> up in
> gppmon either incorrectly from some other source before the information
> became available in the BDIIs or maybe the addresses were subsequently
> changed without our noticing - was this a change when BNL abandoned
> the lite
> installation and did a full install?
>
> Trevor
> .lf n25
>
> Dr Trevor Daniels
> c/o CCLRC eSC Department Phone: (+44)|(0) 1235 778093
> Rutherford Appleton Laboratory Fax: (+44)|(0) 1235 446626
> Chilton, DIDCOT, Oxon, OX11 0QX, UK Email: [log in to unmask]
> The contents of this email are sent in confidence for the use of the
> intended recipient only. If you are not one of the intended
> recipients do
> not take action on it or show it to anyone else, but return this email
> to
> the sender and delete your copy of it.
>
>
>> -----Original Message-----
>> From: Markus Schulz [mailto:[log in to unmask]]
>> Sent: Tuesday, November 18, 2003 1:24 PM
>> To: [log in to unmask]
>> Subject: Re: [LCG-ROLLOUT] BNL and gppmon
>>
>>
>> Hi Trevor,
>> there is no need to guess the names of the CEs.
>> The command:
>> ldapsearch -LLL -x -H ldap://lxshare0222.cern.ch:2170 -b
>> "mds-vo-name=local,o=grid" "(objectClass=glueCE)" dn
>>
>> queries the BDII at CERN (you can replace this by your local BDII).
>> This returns a list of the CEs in LCG1.
>> This list is sometimes not complete, but gives you the correct names
>> for the CEs that are
>> there.
>>
>> markus
>> On Tuesday, Nov 18, 2003, at 13:34 Europe/Zurich, Daniels, T (Trevor)
>> wrote:
>>
>>> Jason
>>>
>>> I have just discovered that we had the wrong host addresses
>> for BNL in
>>> the
>>> monitors running at the Grid Operations Centre, which partially
>>> explains why
>>> BNL appears as a black dot in GppMon (see
>>> http://esc.dl.ac.uk/gppmonWorld/ )
>>> However, after changing the address of the CE to what I
>> believe is the
>>> right
>>> address the monitoring jobs still do not appear to run successfully.
>>>
>>> GppMon submits three jobs every so often (currently every hour), one
>>> direct
>>> to the CE via Globus, one via the CERN RB and one via the RAL RB.
>>> These
>>> jobs simply attempt a wget to a website at
>>> esc.dl.ac.uk/gppmonWorld/gppmon-ack.cgi, which records the
>> receipt of
>>> that
>>> http request as a successful execution.
>>>
>>> The output of the globus job directed at
>> atlasgrid04.usatlas.bnl.gov a
>>> few
>>> minutes ago is:
>>> Resolving esc.dl.ac.uk... done.
>>> Connecting to esc.dl.ac.uk[193.62.113.10]:80... failed:
>>> Connection
>>> refused.
>>>
>>> Does the CE at BNL have connectivity through your firewall
>> to external
>>> websites?
>>>
>>> Trevor
>>> .lf n25
>>> Dr Trevor Daniels
>>> c/o CCLRC eSC Department Phone: (+44)|(0) 1235 778093
>>> Rutherford Appleton Laboratory Fax: (+44)|(0) 1235 446626
>>> Chilton, DIDCOT, Oxon, OX11 0QX, UK Email: [log in to unmask]
>>> The contents of this email are sent in confidence for the use of the
>>> intended recipient only. If you are not one of the intended
>>> recipients do
>>> not take action on it or show it to anyone else, but return
>> this email
>>> to
>>> the sender and delete your copy of it.
>>>
>>>
>>
>> **************************************************************
>> **********
>> *******
>> Markus Schulz
>> CERN IT
>>
>
>
************************************************************************
*******
Markus Schulz
CERN IT
|