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Hi Markus,

I think the VO-BOXES details should be discuss at some length at the 
operations meeting at the end of the month. Is there any documentation 
available about it?

thanks

cheers
alessandra

On Tue, 6 Sep 2005, Markus Schulz wrote:

> Dear Alessandra,
>
> thanks for your input. I'll answer you in more detail later, I just see 
> the need to comment on the VO-BOX to avoid misunderstandings there.
>
> I can fully understand that the VO -BOX worries you, the alternative 
> scares me more.
>
> The VO-BOX was asked for by the experiments and accepted by the Tier 1s 
> that participate in the Service Challenge (Ask Jamie Shiers for the 
> minutes of the meeting). They are not seen as a temporary fix. It is 
> expected that the experiments will run some VO specific services for the 
> foreseeable future.
>
> The VO-BOX as a well defined platform is the only way to handle this in 
> a somewhat controlled way, this is why we try to expand what is already 
> there on the VO-BOX. I am convinced that it is more secure to provide 
> some common services on these boxes and reduce the need for VO specific 
> components.
>
>                    markus
>
> On Sep 5, 2005, at 9:01 PM, Alessandra Forti // EOJ wrote:
>
>> Dear Markus,
>> 
>> I like very much the idea of having a release every 3 months with minor 
>> updates in between, where updates are defined as those changes that do not
>> affect the configuration and can be picked up by apt/yum/.....
>> 
>> As far as the list goes from my (sys admin) point of view the priorities 
>> are as follows:
>> 
>> 1) Any improvement of the robustness of the services. (i.e. 2. 5. 12. 22.
>>    in your list).
>> 
>> 2) This is not in the list BUT it is important to me: anything that makes
>>    traceability of a job easier: a tool that for example puts together
>>    that mess that is in the log files on the CE and RB (god know why there
>>    can't be a unique JOBID that one can followed through) would be
>>    extremely useful both from the security point of view and purely for
>>    maintainance of the system.
>> 
>> 3) I'm a bit worried about the introduction of gLite components all in one
>>    block. Is this the plan? I played a little bit with VOMS server and 
>> gLite
>>    UI and I have to say I find gLite configuration extremely painful. So 
>> I'm
>>    not against their introduction, however I don't want to know ANYTHING 
>> about
>>    touching those xml files by hand. In other words to me YAIM is a 
>> priority.
>> 
>> 4) Cleanup of the infor providers to make full use of the new schema
>> 
>> 5) YAIM VO managment I'm interested in having only dteam VO enabled in
>>    site-info.def. I go through the pain of removing the VOs I don't want
>>    and to add the one I want. However the latter should be the only action
>>    required. The WEB based tool you talk about seems eccessive to me.
>>    If the necessary information about a VO is available it doesn't take
>>    long to add the VO to YAIM. The most painful part is to find
>>    that information. However if you really want to create a tool please 
>> create
>>    a command line that can be scripted. If you were thinking of browsers
>>    forget about it.
>> 
>> 6) Removing jobmanager-fork and gridftp on the CE. I can't say I disagree
>>    from the security point of view, however they are great tools to debug
>>    the situation other people machines without having direct access to
>>    them. So I think that a restricted usage policy would be preferable
>>    than complete elimination.
>> 
>> 7) Security (your 17.) I'm surprised there are not more things listed.
>> 
>> 8) Jeff Templon ETT. I don't know anything about it, hoever I think an
>>    algorithm (any decent algorithm?) has been waited forever now.
>> 
>> 9) Back up mechanism for mission critical T2 DBs.... I have dcache and
>>    to be honest tar works perfectly. Up to one year ago it was working
>>    also with mysql (no need of complicated things).
>> 
>> 10) The other thing that makes me a bit nervous is the progressive
>>     importance that the VO-BOX seems to be acquiring. I'm not sure if any
>>     of the sys admin has had any say in this but I'm sure I echo the 
>> thought
>>     of many when I say that it shouldn't have been introduced in the first
>>     place. And even if I accept the introduction of a box to cover for the
>>     hopefully temporary shortcomings of the middleware, I know by 
>> experience
>>     that temporary solutions become permanent.
>> 
>> 11) What about dcache configuration? This also is not on the list. We need
>>     some sort of configuration tool (YAIM is not of much use for the
>>     configuration).
>> 
>> The points that I haven't included have a lesser priority for me because I 
>> haven't installed those particular services and therefore am not affected.
>> 
>> thank you
>> 
>> cheers
>> alessandra
>> 
>> On Tue, 30 Aug 2005, Markus Schulz wrote:
>> 
>> 
>>> Dear ROC, CIC, Site-mangers, and EIS link persons,
>>> 
>>> on July 29th we released LCG-2_6_0. This release is now out since more 
>>> than 30 days and there are over  69 sites that have been upgraded
>>> and several additional where the client libs of 2_6_0 have been provided 
>>> via the user level software installation mechanism.
>>> 
>>> The release has seen 2 upgrades, mainly related to YAIM problems.
>>> 
>>> On August 3rd we did a local post mortem of the release. A rough summary 
>>> can be seen here:
>>> 
>>> https://uimon.cern.ch/twiki/bin/view/LCG/LCG-2_6_0
>>> 
>>> we then started collecting input for "wish list" for LCG-2_7_0, this
>>> 
>> list is
>> 
>>> not complete and not prioritized, just a draft.
>>> The list can be seen here:
>>> 
>>> https://uimon.cern.ch/twiki/bin/view/LCG/LCG-2_7_0
>>> 
>>> Assuming the regular release cycle the release date should be 1st of 
>>> October.
>>> With the time it takes to push the release through the local and remote 
>>> tests we have to keep in mind that the integration and initial testing 
>>> phase
>>> has to come to an end on Friday the 9th of September.
>>> This is rather soon now and we need a better understanding on the 
>>> relative priorities of the different tasks and  additional components 
>>> that we might need to add.
>>> 
>>> 
>>> Please have a look at the list and sent me suggestions and describe your 
>>> priorities.
>>> 
>>> 
>>> 
>>>                            markus
>>> 
>>> 
>> 
>> -- 
>> ********************************************
>> * Dr Alessandra Forti               *
>> * Technical Coordinator - NorthGrid Tier2  *
>> * http://www.hep.man.ac.uk/u/aforti       *
>> ********************************************
>> 
>

-- 
********************************************
* Dr Alessandra Forti			   *
* Technical Coordinator - NorthGrid Tier2  *
* http://www.hep.man.ac.uk/u/aforti	   *
********************************************